地学前缘 ›› 2024, Vol. 31 ›› Issue (3): 113-132.DOI: 10.13745/j.esf.sf.2023.6.17
李方兰1(), 刘学龙1,*(
), 周云满2, 赵成峰2, 李守奎1, 王基元2, 陆波德1, 李庆锐2, 张卫文2, 王海2, 曹振梁1, 周杰虎1
收稿日期:
2023-04-12
修回日期:
2023-05-20
出版日期:
2024-05-25
发布日期:
2024-05-25
通信作者:
*刘学龙(1983—),男,教授,博士生导师,主要从事区域成矿学、岩浆热液成矿作用和地质大数据的研究工作。E-mail: 作者简介:
李方兰(1997—),女,硕士研究生,地球化学专业,主要从事岩石学、地球化学的研究工作。E-mail: 3462644230@qq.com
基金资助:
LI Fanglan1(), LIU Xuelong1,*(
), ZHOU Yunman2, ZHAO Chengfeng2, LI Shoukui1, WANG Jiyuan2, LU Bode1, LI Qingrui2, ZHANG Weiwen2, WANG Hai2, CAO Zhenliang1, ZHOU Jiehu1
Received:
2023-04-12
Revised:
2023-05-20
Online:
2024-05-25
Published:
2024-05-25
摘要:
陡崖夕卡岩型铁铜多金属矿床位于保山—镇康铅锌多金属矿带北段。区内矿体产于寒武系上统核桃坪组和沙河厂组中,岩性主要为大理岩化灰岩和夹泥质灰岩。目前,矿区内尚未揭露中酸性岩体。为厘清该矿床的成矿时代、成矿的物理化学条件和成矿流体的性质,我们对该矿床的石榴子石开展了细致的岩相学工作、地球化学分析以及LA-SF-ICP-MS U-Pb定年测试。结合野外调查与岩相学工作,主量元素特征表明:保山陡崖矿床产出的石榴子石属于钙铝榴石-钙铁榴石固溶体系列,且该矿区的石榴子石可划分为两类(GrtⅠ和GrtⅡ)。微量元素特征表明:在陡崖矿床,随着温度、氧逸度的变化,流体体系的pH值经历了早期的中性—晚期的酸性的转变。通过应用石榴子石LA-SF-ICP-MS U-Pb定年方法,获得468~461 Ma的可靠年龄数据,表明滇西保山地块陡崖矿床成矿作用发生于中奥陶世。结合双脉地、清水河花岗岩与之相似的稀土配分曲线以及形成时代,推测该矿床可能与岩石圈地幔的拆沉作用有关,其源区主要为古老大陆地壳部分熔融,并有幔源物质的加入。
中图分类号:
李方兰, 刘学龙, 周云满, 赵成峰, 李守奎, 王基元, 陆波德, 李庆锐, 张卫文, 王海, 曹振梁, 周杰虎. 滇西保山地块陡崖铁铜多金属矿床石榴子石年代学及其地球化学特征[J]. 地学前缘, 2024, 31(3): 113-132.
LI Fanglan, LIU Xuelong, ZHOU Yunman, ZHAO Chengfeng, LI Shoukui, WANG Jiyuan, LU Bode, LI Qingrui, ZHANG Weiwen, WANG Hai, CAO Zhenliang, ZHOU Jiehu. Geochronology and geochemical characteristics of the Douya iron-copper polymetallic deposit in the Baoshan block, western Yunnan[J]. Earth Science Frontiers, 2024, 31(3): 113-132.
图1 保山地块主要构造、岩浆作用及矿床位置图(底图据文献[20⇓⇓-23])
Fig.1 A map showing the main structure, magmatism, and deposit location of the Baoshan block. Modified after [20⇓⇓-23].
图4 陡崖铁铜多金属矿床石榴子石手标本及显微照片 (a)黄绿色石榴子石夕卡岩(DY22-2,GrtⅠ);(b) GrtⅠ早期颗粒较小,表面较为浑浊,正交偏光镜下全消光;(c) GrtⅠ晚期核部及边部可见振荡环带,呈正高突起,正交偏光镜下边部可见微弱光性异常;(d) GrtⅠ被粒状黄铁矿集合体溶蚀交代,可见黄铁矿具立方体自形晶;(e)灰绿色阳起石石榴子石夕卡岩(DY22-4,GrtⅡ);(f) GrtⅡ早期呈粒状集合体,颗粒较小,具Ⅰ级灰白干涉色,后期可见阳起石细脉穿插;(g) GrtⅡ晚期核部及边部可见光性异常;(h) 黄铁矿沿GrtⅡ的环带或边缘充填交代;(i) 石榴子石与辉石交代共生,后期方解石细脉穿插。Grt—石榴子石;Px—辉石;Act—阳起石;Py—黄铁矿;Qtz—石英;Cal—方解石。
Fig.4 Hand specimens and microphotographs of garnet from the Douya iron-copper polymetallic deposit
测点号 | 类型 | wB/% | 以12个氧原子为标准计算的阳离子数 | XB/% | |||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
SiO2 | TiO2 | Al2O3 | Cr2O3 | FeO | MnO | MgO | CaO | Si | Ti | Al | Cr | Fe3+ | Fe2+ | Mn | Mg | Ca | And | Gro | Other | ||
DY22-2-1-02 | GrtⅠ | 34.99 | 0.04 | 2.07 | 0.00 | 25.46 | 0.13 | 0.09 | 33.62 | 2.96 | 0.00 | 0.21 | 0.00 | 1.80 | 0.00 | 0.01 | 0.01 | 3.05 | 88.09 | 11.26 | 0.65 |
DY22-2-1-03 | 33.88 | 1.09 | 3.15 | 0.01 | 22.87 | 0.23 | 0.20 | 33.80 | 2.90 | 0.07 | 0.32 | 0.00 | 1.63 | 0.00 | 0.02 | 0.03 | 3.10 | 78.14 | 20.48 | 1.37 | |
DY22-2-1-04 | 34.22 | 0.00 | 4.34 | 0.00 | 22.71 | 0.26 | 0.11 | 33.90 | 2.91 | 0.00 | 0.43 | 0.00 | 1.61 | 0.00 | 0.02 | 0.01 | 3.08 | 77.59 | 21.35 | 1.06 | |
DY22-2-1-05 | 34.09 | 0.00 | 2.44 | 0.00 | 24.74 | 0.20 | 0.08 | 33.78 | 2.92 | 0.00 | 0.25 | 0.00 | 1.77 | 0.00 | 0.01 | 0.01 | 3.10 | 85.08 | 14.13 | 0.80 | |
DY22-2-1-06 | 34.78 | 0.00 | 2.24 | 0.01 | 25.01 | 0.13 | 0.08 | 33.84 | 2.95 | 0.00 | 0.22 | 0.00 | 1.78 | 0.00 | 0.01 | 0.01 | 3.08 | 85.98 | 13.35 | 0.67 | |
DY22-2-1-07 | 34.16 | 1.29 | 3.06 | 0.01 | 22.71 | 0.24 | 0.24 | 33.58 | 2.91 | 0.08 | 0.31 | 0.00 | 1.62 | 0.00 | 0.02 | 0.03 | 3.07 | 77.95 | 20.50 | 1.56 | |
DY22-2-1-08 | 34.29 | 0.00 | 3.94 | 0.00 | 23.07 | 0.20 | 0.10 | 33.99 | 2.91 | 0.00 | 0.39 | 0.00 | 1.64 | 0.00 | 0.01 | 0.01 | 3.09 | 78.76 | 20.36 | 0.88 | |
DY22-2-1-09 | 34.29 | 0.00 | 2.40 | 0.00 | 24.90 | 0.20 | 0.07 | 33.67 | 2.93 | 0.00 | 0.24 | 0.00 | 1.78 | 0.00 | 0.01 | 0.01 | 3.08 | 85.94 | 13.32 | 0.74 | |
DY22-2-1-10 | 34.84 | 0.02 | 2.16 | 0.00 | 25.37 | 0.12 | 0.07 | 33.59 | 2.95 | 0.00 | 0.22 | 0.00 | 1.80 | 0.00 | 0.01 | 0.01 | 3.05 | 87.90 | 11.52 | 0.58 | |
DY22-2-3-01 | 34.56 | 0.01 | 4.52 | 0.00 | 22.35 | 0.23 | 0.11 | 34.06 | 2.92 | 0.00 | 0.45 | 0.00 | 1.58 | 0.00 | 0.02 | 0.01 | 3.08 | 76.10 | 22.95 | 0.95 | |
DY22-2-3-02 | 34.19 | 0.00 | 1.96 | 0.00 | 25.69 | 0.15 | 0.07 | 33.79 | 2.92 | 0.00 | 0.20 | 0.00 | 1.84 | 0.00 | 0.01 | 0.01 | 3.09 | 88.46 | 10.92 | 0.63 | |
DY22-2-3-03 | 34.14 | 0.00 | 0.73 | 0.00 | 26.96 | 0.18 | 0.10 | 33.57 | 2.93 | 0.00 | 0.07 | 0.00 | 1.94 | 0.00 | 0.01 | 0.01 | 3.09 | 93.26 | 5.92 | 0.82 | |
DY22-2-3-04 | 34.93 | 0.36 | 2.40 | 0.00 | 24.68 | 0.15 | 0.12 | 33.80 | 2.95 | 0.02 | 0.24 | 0.00 | 1.74 | 0.00 | 0.01 | 0.02 | 3.06 | 84.76 | 14.40 | 0.84 | |
DY22-2-3-05 | 35.04 | 0.28 | 0.89 | 0.00 | 26.74 | 0.12 | 0.09 | 33.49 | 2.97 | 0.02 | 0.09 | 0.00 | 1.89 | 0.00 | 0.01 | 0.01 | 3.04 | 92.90 | 6.47 | 0.62 | |
DY22-2-3-06 | 35.01 | 0.06 | 0.29 | 0.00 | 27.72 | 0.10 | 0.06 | 33.37 | 2.97 | 0.00 | 0.03 | 0.00 | 1.97 | 0.00 | 0.01 | 0.01 | 3.04 | 96.77 | 2.74 | 0.49 | |
DY22-2-3-07 | 35.03 | 0.00 | 0.68 | 0.02 | 27.23 | 0.15 | 0.06 | 33.37 | 2.97 | 0.00 | 0.07 | 0.00 | 1.93 | 0.00 | 0.01 | 0.01 | 3.03 | 94.96 | 4.37 | 0.67 | |
DY22-2-3-08 | 34.86 | 0.06 | 0.16 | 0.02 | 27.88 | 0.10 | 0.02 | 33.43 | 2.97 | 0.00 | 0.02 | 0.00 | 1.98 | 0.00 | 0.01 | 0.00 | 3.05 | 97.32 | 2.30 | 0.38 | |
DY22-2-3-09 | 35.02 | 0.00 | 0.11 | 0.00 | 27.52 | 0.11 | 0.02 | 33.49 | 2.99 | 0.00 | 0.01 | 0.00 | 1.96 | 0.00 | 0.01 | 0.00 | 3.06 | 95.85 | 3.79 | 0.36 | |
DY22-2-3-10 | 34.78 | 0.00 | 0.82 | 0.00 | 27.06 | 0.09 | 0.03 | 33.66 | 2.96 | 0.00 | 0.08 | 0.00 | 1.92 | 0.00 | 0.01 | 0.00 | 3.07 | 93.80 | 5.86 | 0.33 | |
DY22-2-3-11 | 34.75 | 0.00 | 0.01 | 0.00 | 27.95 | 0.10 | 0.01 | 33.41 | 2.97 | 0.00 | 0.00 | 0.00 | 2.00 | 0.00 | 0.01 | 0.00 | 3.06 | 97.67 | 2.04 | 0.29 | |
DY22-2-3-12 | 34.78 | 0.00 | 0.79 | 0.02 | 27.12 | 0.13 | 0.01 | 33.66 | 2.96 | 0.00 | 0.08 | 0.00 | 1.93 | 0.00 | 0.01 | 0.00 | 3.07 | 94.01 | 5.60 | 0.39 | |
DY22-4-1-01 | GrtⅡ | 35.92 | 0.51 | 11.79 | 0.02 | 13.17 | 0.30 | 0.04 | 35.20 | 2.91 | 0.03 | 1.13 | 0.00 | 0.89 | 0.00 | 0.02 | 0.00 | 3.06 | 43.43 | 55.68 | 0.89 |
DY22-4-1-02 | 35.66 | 0.53 | 11.52 | 0.00 | 13.62 | 0.30 | 0.03 | 35.04 | 2.90 | 0.03 | 1.10 | 0.00 | 0.93 | 0.00 | 0.02 | 0.00 | 3.06 | 45.14 | 54.05 | 0.82 | |
DY22-4-1-03 | 36.28 | 0.10 | 9.19 | 0.00 | 16.63 | 0.19 | 0.01 | 34.94 | 2.95 | 0.01 | 0.88 | 0.00 | 1.13 | 0.00 | 0.01 | 0.00 | 3.05 | 55.46 | 44.07 | 0.48 | |
DY22-4-1-04 | 36.11 | 0.26 | 11.05 | 0.02 | 14.57 | 0.29 | 0.01 | 35.11 | 2.92 | 0.02 | 1.05 | 0.00 | 0.99 | 0.00 | 0.02 | 0.00 | 3.04 | 48.25 | 51.01 | 0.74 | |
DY22-4-1-05 | 36.20 | 0.28 | 11.26 | 0.02 | 14.10 | 0.27 | 0.04 | 35.43 | 2.92 | 0.02 | 1.07 | 0.00 | 0.95 | 0.00 | 0.02 | 0.00 | 3.06 | 46.24 | 52.96 | 0.80 | |
DY22-4-1-06 | 36.33 | 0.31 | 11.44 | 0.01 | 13.91 | 0.25 | 0.02 | 35.09 | 2.93 | 0.02 | 1.09 | 0.00 | 0.94 | 0.00 | 0.02 | 0.00 | 3.03 | 46.10 | 53.21 | 0.69 | |
DY22-4-1-07 | 36.56 | 0.20 | 8.90 | 0.00 | 16.89 | 0.19 | 0.02 | 34.74 | 2.97 | 0.01 | 0.85 | 0.00 | 1.15 | 0.00 | 0.01 | 0.00 | 3.02 | 56.65 | 42.84 | 0.51 | |
DY22-4-1-08 | 36.36 | 0.29 | 9.23 | 0.00 | 16.45 | 0.17 | 0.01 | 34.64 | 2.96 | 0.02 | 0.89 | 0.00 | 1.12 | 0.00 | 0.01 | 0.00 | 3.02 | 55.37 | 44.22 | 0.41 | |
DY22-4-1-09 | 35.81 | 0.43 | 10.63 | 0.03 | 14.31 | 0.28 | 0.03 | 34.87 | 2.93 | 0.03 | 1.03 | 0.00 | 0.98 | 0.00 | 0.02 | 0.00 | 3.06 | 47.69 | 51.48 | 0.83 | |
DY22-4-1-10 | 36.23 | 0.53 | 11.10 | 0.00 | 14.00 | 0.28 | 0.01 | 35.03 | 2.93 | 0.03 | 1.06 | 0.00 | 0.95 | 0.00 | 0.02 | 0.00 | 3.04 | 46.48 | 52.86 | 0.67 | |
DY22-4-2-01 | 36.49 | 0.31 | 10.83 | 0.02 | 14.45 | 0.24 | 0.03 | 35.08 | 2.95 | 0.02 | 1.03 | 0.00 | 0.98 | 0.00 | 0.02 | 0.00 | 3.04 | 47.91 | 51.37 | 0.72 | |
DY22-4-2-02 | 36.14 | 0.37 | 9.37 | 0.00 | 16.36 | 0.22 | 0.02 | 34.78 | 2.94 | 0.02 | 0.90 | 0.00 | 1.11 | 0.00 | 0.02 | 0.00 | 3.03 | 54.76 | 44.68 | 0.55 | |
DY22-4-2-03 | 35.49 | 0.31 | 7.47 | 0.02 | 18.51 | 0.18 | 0.02 | 34.61 | 2.93 | 0.02 | 0.73 | 0.00 | 1.28 | 0.00 | 0.01 | 0.00 | 3.07 | 62.30 | 37.15 | 0.55 | |
DY22-4-2-04 | 34.96 | 0.00 | 0.94 | 0.05 | 26.74 | 0.11 | 0.04 | 33.31 | 2.98 | 0.00 | 0.09 | 0.00 | 1.90 | 0.00 | 0.01 | 0.00 | 3.04 | 93.61 | 5.83 | 0.57 | |
DY22-4-2-05 | 35.22 | 0.02 | 1.40 | 0.02 | 26.01 | 0.10 | 0.05 | 33.51 | 2.98 | 0.00 | 0.14 | 0.00 | 1.84 | 0.00 | 0.01 | 0.01 | 3.04 | 90.50 | 9.01 | 0.50 | |
DY22-4-2-06 | 36.26 | 0.12 | 7.07 | 0.02 | 19.15 | 0.14 | 0.02 | 34.46 | 2.97 | 0.01 | 0.68 | 0.00 | 1.31 | 0.00 | 0.01 | 0.00 | 3.03 | 64.81 | 34.72 | 0.47 | |
DY22-4-2-07 | 35.15 | 0.00 | 2.08 | 0.02 | 25.38 | 0.08 | 0.05 | 33.60 | 2.97 | 0.00 | 0.21 | 0.00 | 1.79 | 0.00 | 0.01 | 0.01 | 3.04 | 88.08 | 11.45 | 0.47 | |
DY22-4-2-08 | 34.91 | 0.02 | 1.68 | 0.01 | 26.03 | 0.08 | 0.04 | 33.48 | 2.96 | 0.00 | 0.17 | 0.00 | 1.85 | 0.00 | 0.01 | 0.01 | 3.04 | 90.68 | 8.93 | 0.39 | |
DY22-4-2-09 | 35.12 | 0.01 | 1.80 | 0.01 | 25.71 | 0.07 | 0.03 | 33.55 | 2.97 | 0.00 | 0.18 | 0.00 | 1.82 | 0.00 | 0.00 | 0.00 | 3.04 | 89.48 | 10.24 | 0.28 |
表1 陡崖矿床石榴子石电子探针分析结果
Table 1 Electron probe microanalysis (EPMA) results of garnet from the Douya deposit
测点号 | 类型 | wB/% | 以12个氧原子为标准计算的阳离子数 | XB/% | |||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
SiO2 | TiO2 | Al2O3 | Cr2O3 | FeO | MnO | MgO | CaO | Si | Ti | Al | Cr | Fe3+ | Fe2+ | Mn | Mg | Ca | And | Gro | Other | ||
DY22-2-1-02 | GrtⅠ | 34.99 | 0.04 | 2.07 | 0.00 | 25.46 | 0.13 | 0.09 | 33.62 | 2.96 | 0.00 | 0.21 | 0.00 | 1.80 | 0.00 | 0.01 | 0.01 | 3.05 | 88.09 | 11.26 | 0.65 |
DY22-2-1-03 | 33.88 | 1.09 | 3.15 | 0.01 | 22.87 | 0.23 | 0.20 | 33.80 | 2.90 | 0.07 | 0.32 | 0.00 | 1.63 | 0.00 | 0.02 | 0.03 | 3.10 | 78.14 | 20.48 | 1.37 | |
DY22-2-1-04 | 34.22 | 0.00 | 4.34 | 0.00 | 22.71 | 0.26 | 0.11 | 33.90 | 2.91 | 0.00 | 0.43 | 0.00 | 1.61 | 0.00 | 0.02 | 0.01 | 3.08 | 77.59 | 21.35 | 1.06 | |
DY22-2-1-05 | 34.09 | 0.00 | 2.44 | 0.00 | 24.74 | 0.20 | 0.08 | 33.78 | 2.92 | 0.00 | 0.25 | 0.00 | 1.77 | 0.00 | 0.01 | 0.01 | 3.10 | 85.08 | 14.13 | 0.80 | |
DY22-2-1-06 | 34.78 | 0.00 | 2.24 | 0.01 | 25.01 | 0.13 | 0.08 | 33.84 | 2.95 | 0.00 | 0.22 | 0.00 | 1.78 | 0.00 | 0.01 | 0.01 | 3.08 | 85.98 | 13.35 | 0.67 | |
DY22-2-1-07 | 34.16 | 1.29 | 3.06 | 0.01 | 22.71 | 0.24 | 0.24 | 33.58 | 2.91 | 0.08 | 0.31 | 0.00 | 1.62 | 0.00 | 0.02 | 0.03 | 3.07 | 77.95 | 20.50 | 1.56 | |
DY22-2-1-08 | 34.29 | 0.00 | 3.94 | 0.00 | 23.07 | 0.20 | 0.10 | 33.99 | 2.91 | 0.00 | 0.39 | 0.00 | 1.64 | 0.00 | 0.01 | 0.01 | 3.09 | 78.76 | 20.36 | 0.88 | |
DY22-2-1-09 | 34.29 | 0.00 | 2.40 | 0.00 | 24.90 | 0.20 | 0.07 | 33.67 | 2.93 | 0.00 | 0.24 | 0.00 | 1.78 | 0.00 | 0.01 | 0.01 | 3.08 | 85.94 | 13.32 | 0.74 | |
DY22-2-1-10 | 34.84 | 0.02 | 2.16 | 0.00 | 25.37 | 0.12 | 0.07 | 33.59 | 2.95 | 0.00 | 0.22 | 0.00 | 1.80 | 0.00 | 0.01 | 0.01 | 3.05 | 87.90 | 11.52 | 0.58 | |
DY22-2-3-01 | 34.56 | 0.01 | 4.52 | 0.00 | 22.35 | 0.23 | 0.11 | 34.06 | 2.92 | 0.00 | 0.45 | 0.00 | 1.58 | 0.00 | 0.02 | 0.01 | 3.08 | 76.10 | 22.95 | 0.95 | |
DY22-2-3-02 | 34.19 | 0.00 | 1.96 | 0.00 | 25.69 | 0.15 | 0.07 | 33.79 | 2.92 | 0.00 | 0.20 | 0.00 | 1.84 | 0.00 | 0.01 | 0.01 | 3.09 | 88.46 | 10.92 | 0.63 | |
DY22-2-3-03 | 34.14 | 0.00 | 0.73 | 0.00 | 26.96 | 0.18 | 0.10 | 33.57 | 2.93 | 0.00 | 0.07 | 0.00 | 1.94 | 0.00 | 0.01 | 0.01 | 3.09 | 93.26 | 5.92 | 0.82 | |
DY22-2-3-04 | 34.93 | 0.36 | 2.40 | 0.00 | 24.68 | 0.15 | 0.12 | 33.80 | 2.95 | 0.02 | 0.24 | 0.00 | 1.74 | 0.00 | 0.01 | 0.02 | 3.06 | 84.76 | 14.40 | 0.84 | |
DY22-2-3-05 | 35.04 | 0.28 | 0.89 | 0.00 | 26.74 | 0.12 | 0.09 | 33.49 | 2.97 | 0.02 | 0.09 | 0.00 | 1.89 | 0.00 | 0.01 | 0.01 | 3.04 | 92.90 | 6.47 | 0.62 | |
DY22-2-3-06 | 35.01 | 0.06 | 0.29 | 0.00 | 27.72 | 0.10 | 0.06 | 33.37 | 2.97 | 0.00 | 0.03 | 0.00 | 1.97 | 0.00 | 0.01 | 0.01 | 3.04 | 96.77 | 2.74 | 0.49 | |
DY22-2-3-07 | 35.03 | 0.00 | 0.68 | 0.02 | 27.23 | 0.15 | 0.06 | 33.37 | 2.97 | 0.00 | 0.07 | 0.00 | 1.93 | 0.00 | 0.01 | 0.01 | 3.03 | 94.96 | 4.37 | 0.67 | |
DY22-2-3-08 | 34.86 | 0.06 | 0.16 | 0.02 | 27.88 | 0.10 | 0.02 | 33.43 | 2.97 | 0.00 | 0.02 | 0.00 | 1.98 | 0.00 | 0.01 | 0.00 | 3.05 | 97.32 | 2.30 | 0.38 | |
DY22-2-3-09 | 35.02 | 0.00 | 0.11 | 0.00 | 27.52 | 0.11 | 0.02 | 33.49 | 2.99 | 0.00 | 0.01 | 0.00 | 1.96 | 0.00 | 0.01 | 0.00 | 3.06 | 95.85 | 3.79 | 0.36 | |
DY22-2-3-10 | 34.78 | 0.00 | 0.82 | 0.00 | 27.06 | 0.09 | 0.03 | 33.66 | 2.96 | 0.00 | 0.08 | 0.00 | 1.92 | 0.00 | 0.01 | 0.00 | 3.07 | 93.80 | 5.86 | 0.33 | |
DY22-2-3-11 | 34.75 | 0.00 | 0.01 | 0.00 | 27.95 | 0.10 | 0.01 | 33.41 | 2.97 | 0.00 | 0.00 | 0.00 | 2.00 | 0.00 | 0.01 | 0.00 | 3.06 | 97.67 | 2.04 | 0.29 | |
DY22-2-3-12 | 34.78 | 0.00 | 0.79 | 0.02 | 27.12 | 0.13 | 0.01 | 33.66 | 2.96 | 0.00 | 0.08 | 0.00 | 1.93 | 0.00 | 0.01 | 0.00 | 3.07 | 94.01 | 5.60 | 0.39 | |
DY22-4-1-01 | GrtⅡ | 35.92 | 0.51 | 11.79 | 0.02 | 13.17 | 0.30 | 0.04 | 35.20 | 2.91 | 0.03 | 1.13 | 0.00 | 0.89 | 0.00 | 0.02 | 0.00 | 3.06 | 43.43 | 55.68 | 0.89 |
DY22-4-1-02 | 35.66 | 0.53 | 11.52 | 0.00 | 13.62 | 0.30 | 0.03 | 35.04 | 2.90 | 0.03 | 1.10 | 0.00 | 0.93 | 0.00 | 0.02 | 0.00 | 3.06 | 45.14 | 54.05 | 0.82 | |
DY22-4-1-03 | 36.28 | 0.10 | 9.19 | 0.00 | 16.63 | 0.19 | 0.01 | 34.94 | 2.95 | 0.01 | 0.88 | 0.00 | 1.13 | 0.00 | 0.01 | 0.00 | 3.05 | 55.46 | 44.07 | 0.48 | |
DY22-4-1-04 | 36.11 | 0.26 | 11.05 | 0.02 | 14.57 | 0.29 | 0.01 | 35.11 | 2.92 | 0.02 | 1.05 | 0.00 | 0.99 | 0.00 | 0.02 | 0.00 | 3.04 | 48.25 | 51.01 | 0.74 | |
DY22-4-1-05 | 36.20 | 0.28 | 11.26 | 0.02 | 14.10 | 0.27 | 0.04 | 35.43 | 2.92 | 0.02 | 1.07 | 0.00 | 0.95 | 0.00 | 0.02 | 0.00 | 3.06 | 46.24 | 52.96 | 0.80 | |
DY22-4-1-06 | 36.33 | 0.31 | 11.44 | 0.01 | 13.91 | 0.25 | 0.02 | 35.09 | 2.93 | 0.02 | 1.09 | 0.00 | 0.94 | 0.00 | 0.02 | 0.00 | 3.03 | 46.10 | 53.21 | 0.69 | |
DY22-4-1-07 | 36.56 | 0.20 | 8.90 | 0.00 | 16.89 | 0.19 | 0.02 | 34.74 | 2.97 | 0.01 | 0.85 | 0.00 | 1.15 | 0.00 | 0.01 | 0.00 | 3.02 | 56.65 | 42.84 | 0.51 | |
DY22-4-1-08 | 36.36 | 0.29 | 9.23 | 0.00 | 16.45 | 0.17 | 0.01 | 34.64 | 2.96 | 0.02 | 0.89 | 0.00 | 1.12 | 0.00 | 0.01 | 0.00 | 3.02 | 55.37 | 44.22 | 0.41 | |
DY22-4-1-09 | 35.81 | 0.43 | 10.63 | 0.03 | 14.31 | 0.28 | 0.03 | 34.87 | 2.93 | 0.03 | 1.03 | 0.00 | 0.98 | 0.00 | 0.02 | 0.00 | 3.06 | 47.69 | 51.48 | 0.83 | |
DY22-4-1-10 | 36.23 | 0.53 | 11.10 | 0.00 | 14.00 | 0.28 | 0.01 | 35.03 | 2.93 | 0.03 | 1.06 | 0.00 | 0.95 | 0.00 | 0.02 | 0.00 | 3.04 | 46.48 | 52.86 | 0.67 | |
DY22-4-2-01 | 36.49 | 0.31 | 10.83 | 0.02 | 14.45 | 0.24 | 0.03 | 35.08 | 2.95 | 0.02 | 1.03 | 0.00 | 0.98 | 0.00 | 0.02 | 0.00 | 3.04 | 47.91 | 51.37 | 0.72 | |
DY22-4-2-02 | 36.14 | 0.37 | 9.37 | 0.00 | 16.36 | 0.22 | 0.02 | 34.78 | 2.94 | 0.02 | 0.90 | 0.00 | 1.11 | 0.00 | 0.02 | 0.00 | 3.03 | 54.76 | 44.68 | 0.55 | |
DY22-4-2-03 | 35.49 | 0.31 | 7.47 | 0.02 | 18.51 | 0.18 | 0.02 | 34.61 | 2.93 | 0.02 | 0.73 | 0.00 | 1.28 | 0.00 | 0.01 | 0.00 | 3.07 | 62.30 | 37.15 | 0.55 | |
DY22-4-2-04 | 34.96 | 0.00 | 0.94 | 0.05 | 26.74 | 0.11 | 0.04 | 33.31 | 2.98 | 0.00 | 0.09 | 0.00 | 1.90 | 0.00 | 0.01 | 0.00 | 3.04 | 93.61 | 5.83 | 0.57 | |
DY22-4-2-05 | 35.22 | 0.02 | 1.40 | 0.02 | 26.01 | 0.10 | 0.05 | 33.51 | 2.98 | 0.00 | 0.14 | 0.00 | 1.84 | 0.00 | 0.01 | 0.01 | 3.04 | 90.50 | 9.01 | 0.50 | |
DY22-4-2-06 | 36.26 | 0.12 | 7.07 | 0.02 | 19.15 | 0.14 | 0.02 | 34.46 | 2.97 | 0.01 | 0.68 | 0.00 | 1.31 | 0.00 | 0.01 | 0.00 | 3.03 | 64.81 | 34.72 | 0.47 | |
DY22-4-2-07 | 35.15 | 0.00 | 2.08 | 0.02 | 25.38 | 0.08 | 0.05 | 33.60 | 2.97 | 0.00 | 0.21 | 0.00 | 1.79 | 0.00 | 0.01 | 0.01 | 3.04 | 88.08 | 11.45 | 0.47 | |
DY22-4-2-08 | 34.91 | 0.02 | 1.68 | 0.01 | 26.03 | 0.08 | 0.04 | 33.48 | 2.96 | 0.00 | 0.17 | 0.00 | 1.85 | 0.00 | 0.01 | 0.01 | 3.04 | 90.68 | 8.93 | 0.39 | |
DY22-4-2-09 | 35.12 | 0.01 | 1.80 | 0.01 | 25.71 | 0.07 | 0.03 | 33.55 | 2.97 | 0.00 | 0.18 | 0.00 | 1.82 | 0.00 | 0.00 | 0.00 | 3.04 | 89.48 | 10.24 | 0.28 |
图5 陡崖矿床石榴子石端员组分三角图解 And—钙铁榴石;Gro—钙铝榴石;Other=Ura(钙铬榴石)+Spe(锰铝榴石)+Alm(铁铝榴石)+Pyr(镁铝榴石)。
Fig.5 Garnet ternary diagram illustrating compositional variations in the Douya deposit
图6 陡崖矿床石榴子石环带成分变化图 (a)早期GrtⅠ的背散射图像;(b,c)代表GrtⅠ颗粒中FeO、Al2O3含量及石榴子石端员组分变化(核→边);(d)早期GrtⅡ的背散射图像,零星可见黄铁矿;(e,f)代表GrtⅡ颗粒中FeO、Al2O3含量及石榴子石端员组分变化(核→边)。
Fig.6 Garnet compositional zoning diagram of the Douya deposit
测点号 | 类型 | wB/% | 以12个氧原子为标准计算的阳离子数 | wB/% | XB/10-6 | ||||||||||||||||||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
SiO2 | TiO2 | Al2O3 | FeO | MnO | MgO | CaO | Na2O | Total | Si | Ti | Al | Fe3+ | Fe2+ | Mn | Mg | Ca | Gro | And | Other | As | Zr | Sn | Rb | Ba | Sr | ||||||||||||||||||||||||||||
DY22-2-001 | GrtⅠ | 34.08 | 0.02 | 1.61 | 27.21 | 0.17 | 0.10 | 35.96 | 0.00 | 99.16 | 2.84 | 0.00 | 0.16 | 1.90 | 0.00 | 0.01 | 0.01 | 3.21 | 11.34 | 87.89 | 0.77 | 85.05 | 11.61 | 69.18 | 0.00 | 0.04 | 0.09 | ||||||||||||||||||||||||||
DY22-2-002 | 33.47 | 0.01 | 1.33 | 27.46 | 0.17 | 0.11 | 36.59 | 0.00 | 99.14 | 2.80 | 0.00 | 0.13 | 1.92 | 0.00 | 0.01 | 0.01 | 3.28 | 12.04 | 87.18 | 0.78 | 112.53 | 2.57 | 45.21 | 0.00 | 0.16 | 0.11 | |||||||||||||||||||||||||||
DY22-2-003 | 33.57 | 0.00 | 1.16 | 27.76 | 0.18 | 0.11 | 36.32 | 0.00 | 99.12 | 2.81 | 0.00 | 0.11 | 1.94 | 0.00 | 0.01 | 0.01 | 3.26 | 10.44 | 88.76 | 0.80 | 129.59 | 1.96 | 33.27 | 0.03 | 0.04 | 0.20 | |||||||||||||||||||||||||||
DY22-2-004 | 33.68 | 0.03 | 2.22 | 26.46 | 0.18 | 0.09 | 36.52 | 0.00 | 99.19 | 2.81 | 0.00 | 0.22 | 1.84 | 0.00 | 0.01 | 0.01 | 3.26 | 15.04 | 84.22 | 0.74 | 39.64 | 4.50 | 138.53 | 0.00 | 1.04 | 0.53 | |||||||||||||||||||||||||||
DY22-2-005 | 32.57 | 0.00 | 1.22 | 28.13 | 0.18 | 0.11 | 36.90 | 0.00 | 99.12 | 2.74 | 0.00 | 0.12 | 1.98 | 0.00 | 0.01 | 0.01 | 3.33 | 10.67 | 88.55 | 0.78 | 131.55 | 2.06 | 33.32 | 0.00 | 0.49 | 0.43 | |||||||||||||||||||||||||||
DY22-2-006 | 33.09 | 0.02 | 1.71 | 27.44 | 0.17 | 0.10 | 36.61 | 0.00 | 99.15 | 2.77 | 0.00 | 0.17 | 1.92 | 0.00 | 0.01 | 0.01 | 3.29 | 12.15 | 87.10 | 0.76 | 83.31 | 4.29 | 87.40 | 0.01 | 0.01 | 0.14 | |||||||||||||||||||||||||||
DY22-2-007 | 33.17 | 0.02 | 2.12 | 26.88 | 0.16 | 0.09 | 36.74 | 0.00 | 99.18 | 2.77 | 0.00 | 0.21 | 1.88 | 0.00 | 0.01 | 0.01 | 3.29 | 14.23 | 85.08 | 0.69 | 55.82 | 4.94 | 111.21 | 0.00 | 0.13 | 0.13 | |||||||||||||||||||||||||||
DY22-2-015 | 33.38 | 0.00 | 2.06 | 26.54 | 0.21 | 0.09 | 36.85 | 0.00 | 99.15 | 2.79 | 0.00 | 0.20 | 1.86 | 0.00 | 0.01 | 0.01 | 3.30 | 15.54 | 83.66 | 0.79 | 138.57 | 41.45 | 36.84 | 0.07 | 0.00 | 0.21 | |||||||||||||||||||||||||||
DY22-2-016 | 34.00 | 0.18 | 0.61 | 27.68 | 0.14 | 0.08 | 36.48 | 0.00 | 99.18 | 2.85 | 0.01 | 0.06 | 1.94 | 0.00 | 0.01 | 0.01 | 3.27 | 11.09 | 88.31 | 0.60 | 31.14 | 20.85 | 56.56 | 0.00 | 0.26 | 0.19 | |||||||||||||||||||||||||||
DY22-2-017 | 34.39 | 0.02 | 0.33 | 27.87 | 0.15 | 0.05 | 36.38 | 0.00 | 99.20 | 2.88 | 0.00 | 0.03 | 1.95 | 0.00 | 0.01 | 0.01 | 3.26 | 10.28 | 89.21 | 0.51 | 42.57 | 5.78 | 24.45 | 0.00 | 0.11 | 0.28 | |||||||||||||||||||||||||||
DY22-2-018 | 34.36 | 0.03 | 0.28 | 28.04 | 0.13 | 0.03 | 36.33 | 0.00 | 99.20 | 2.87 | 0.00 | 0.03 | 1.96 | 0.00 | 0.01 | 0.00 | 3.26 | 9.61 | 90.00 | 0.39 | 24.91 | 16.51 | 12.72 | 0.06 | 0.08 | 0.21 | |||||||||||||||||||||||||||
DY22-2-019 | 34.52 | 0.02 | 0.24 | 28.00 | 0.12 | 0.03 | 36.26 | 0.00 | 99.20 | 2.88 | 0.00 | 0.02 | 1.96 | 0.00 | 0.01 | 0.00 | 3.25 | 9.54 | 90.07 | 0.39 | 28.12 | 11.42 | 5.41 | 0.05 | 0.00 | 0.16 | |||||||||||||||||||||||||||
DY22-2-020 | 34.84 | 0.00 | 0.49 | 27.38 | 0.14 | 0.02 | 36.35 | 0.00 | 99.23 | 2.90 | 0.00 | 0.05 | 1.91 | 0.00 | 0.01 | 0.00 | 3.25 | 11.76 | 87.86 | 0.38 | 20.17 | 0.60 | 3.85 | 0.09 | 0.16 | 0.43 | |||||||||||||||||||||||||||
DY22-2-021 | 34.38 | 0.00 | 1.13 | 27.00 | 0.17 | 0.01 | 36.52 | 0.00 | 99.22 | 2.87 | 0.00 | 0.11 | 1.88 | 0.00 | 0.01 | 0.00 | 3.26 | 13.37 | 86.22 | 0.42 | 20.35 | 0.41 | 19.27 | 0.17 | 0.04 | 0.61 | |||||||||||||||||||||||||||
DY22-2-022 | 34.44 | 0.00 | 0.12 | 27.71 | 0.14 | 0.01 | 36.78 | 0.00 | 99.22 | 2.88 | 0.00 | 0.01 | 1.94 | 0.00 | 0.01 | 0.00 | 3.30 | 11.75 | 87.92 | 0.33 | 16.46 | 0.21 | 5.02 | 0.04 | 0.04 | 2.82 | |||||||||||||||||||||||||||
DY22-2-023 | 35.56 | 0.00 | 1.89 | 25.32 | 0.28 | 0.01 | 36.20 | 0.00 | 99.28 | 2.94 | 0.00 | 0.18 | 1.75 | 0.00 | 0.02 | 0.00 | 3.20 | 17.99 | 81.38 | 0.63 | 4.67 | 0.34 | 22.83 | 0.02 | 0.04 | 0.59 | |||||||||||||||||||||||||||
DY22-2-024 | 34.09 | 0.00 | 0.38 | 27.49 | 0.20 | 0.01 | 37.02 | 0.00 | 99.22 | 2.86 | 0.00 | 0.04 | 1.93 | 0.00 | 0.01 | 0.00 | 3.32 | 13.00 | 86.54 | 0.46 | 13.71 | 0.49 | 32.10 | 0.05 | 0.03 | 0.40 | |||||||||||||||||||||||||||
DY22-4-001 | GrtⅡ | 35.61 | 0.42 | 10.52 | 15.45 | 0.27 | 0.03 | 37.16 | 0.00 | 99.47 | 2.85 | 0.03 | 0.99 | 1.03 | 0.00 | 0.02 | 0.00 | 3.19 | 50.98 | 48.34 | 0.68 | 1.68 | 23.39 | 575.99 | 0.00 | 0.00 | 0.18 | ||||||||||||||||||||||||||
DY22-4-002 | 34.37 | 0.17 | 4.92 | 22.26 | 0.17 | 0.02 | 37.34 | 0.00 | 99.28 | 2.83 | 0.01 | 0.48 | 1.53 | 0.00 | 0.01 | 0.00 | 3.29 | 30.08 | 69.47 | 0.45 | 45.28 | 7.86 | 500.49 | 0.07 | 0.11 | 0.21 | |||||||||||||||||||||||||||
DY22-4-003 | 35.43 | 0.45 | 11.29 | 14.12 | 0.33 | 0.03 | 37.86 | 0.00 | 99.53 | 2.83 | 0.03 | 1.06 | 0.94 | 0.00 | 0.02 | 0.00 | 3.24 | 55.89 | 43.33 | 0.78 | 0.49 | 21.97 | 444.56 | 0.02 | 0.00 | 0.08 | |||||||||||||||||||||||||||
DY22-4-004 | 35.11 | 0.51 | 11.10 | 14.68 | 0.32 | 0.03 | 37.75 | 0.00 | 99.50 | 2.81 | 0.03 | 1.05 | 0.98 | 0.00 | 0.02 | 0.00 | 3.24 | 54.05 | 45.18 | 0.77 | 0.00 | 31.24 | 522.38 | 0.00 | 0.00 | 0.12 | |||||||||||||||||||||||||||
DY22-4-005 | 34.79 | 0.28 | 8.93 | 17.34 | 0.21 | 0.01 | 37.81 | 0.00 | 99.37 | 2.82 | 0.02 | 0.85 | 1.17 | 0.00 | 0.01 | 0.00 | 3.28 | 46.08 | 53.44 | 0.48 | 0.53 | 20.36 | 946.41 | 0.10 | 0.07 | 0.01 | |||||||||||||||||||||||||||
DY22-4-006 | 35.15 | 0.31 | 10.46 | 15.52 | 0.28 | 0.03 | 37.72 | 0.00 | 99.47 | 2.82 | 0.02 | 0.99 | 1.04 | 0.00 | 0.02 | 0.00 | 3.25 | 51.48 | 47.85 | 0.67 | 0.78 | 24.16 | 636.39 | 0.13 | 0.18 | 0.20 | |||||||||||||||||||||||||||
DY22-4-007 | 36.76 | 0.30 | 10.44 | 14.88 | 0.31 | 0.02 | 36.77 | 0.00 | 99.49 | 2.93 | 0.02 | 0.98 | 0.99 | 0.00 | 0.02 | 0.00 | 3.14 | 52.22 | 47.03 | 0.75 | 1.02 | 21.76 | 581.59 | 0.16 | 0.22 | 0.37 | |||||||||||||||||||||||||||
DY22-4-008 | 34.28 | 0.33 | 7.82 | 18.75 | 0.25 | 0.01 | 37.86 | 0.00 | 99.31 | 2.79 | 0.02 | 0.75 | 1.28 | 0.00 | 0.02 | 0.00 | 3.31 | 41.77 | 57.65 | 0.58 | 1.64 | 19.68 | 1 161.72 | 0.02 | 0.13 | 0.62 | |||||||||||||||||||||||||||
DY22-4-009 | 34.69 | 0.32 | 9.79 | 16.10 | 0.29 | 0.03 | 38.21 | 0.01 | 99.45 | 2.80 | 0.02 | 0.93 | 1.09 | 0.00 | 0.02 | 0.00 | 3.31 | 50.28 | 48.98 | 0.74 | 0.00 | 26.91 | 597.71 | 0.53 | 0.33 | 0.37 | |||||||||||||||||||||||||||
DY22-4-010 | 34.79 | 0.30 | 9.17 | 17.24 | 0.22 | 0.02 | 37.66 | 0.00 | 99.41 | 2.81 | 0.02 | 0.87 | 1.17 | 0.00 | 0.02 | 0.00 | 3.26 | 46.11 | 53.32 | 0.57 | 1.55 | 24.32 | 670.49 | 0.13 | 0.12 | 0.15 | |||||||||||||||||||||||||||
DY22-4-011 | 34.64 | 0.36 | 8.65 | 17.70 | 0.22 | 0.01 | 37.76 | 0.00 | 99.36 | 2.81 | 0.02 | 0.83 | 1.20 | 0.00 | 0.02 | 0.00 | 3.28 | 44.91 | 54.59 | 0.50 | 0.00 | 21.97 | 1 015.02 | 0.05 | 0.05 | 0.18 | |||||||||||||||||||||||||||
DY22-4-012 | 33.59 | 0.12 | 4.32 | 23.33 | 0.15 | 0.02 | 37.64 | 0.00 | 99.18 | 2.78 | 0.01 | 0.42 | 1.62 | 0.00 | 0.01 | 0.00 | 3.34 | 27.34 | 72.27 | 0.40 | 30.98 | 11.29 | 1 004.01 | 0.00 | 0.27 | 0.40 | |||||||||||||||||||||||||||
DY22-4-013 | 33.04 | 0.03 | 1.16 | 27.66 | 0.19 | 0.03 | 37.06 | 0.00 | 99.17 | 2.78 | 0.00 | 0.12 | 1.94 | 0.00 | 0.01 | 0.00 | 3.34 | 12.55 | 86.94 | 0.50 | 54.00 | 1.01 | 151.57 | 0.00 | 0.00 | 0.36 | |||||||||||||||||||||||||||
DY22-4-014 | 33.34 | 0.03 | 1.83 | 26.92 | 0.14 | 0.04 | 36.86 | 0.00 | 99.18 | 2.79 | 0.00 | 0.18 | 1.88 | 0.00 | 0.01 | 0.00 | 3.31 | 14.43 | 85.13 | 0.44 | 29.00 | 1.19 | 292.86 | 0.03 | 1.77 | 0.78 | |||||||||||||||||||||||||||
DY22-4-015 | 33.44 | 0.06 | 2.63 | 25.56 | 0.11 | 0.04 | 37.31 | 0.00 | 99.17 | 2.79 | 0.00 | 0.26 | 1.78 | 0.00 | 0.01 | 0.01 | 3.34 | 19.72 | 79.89 | 0.40 | 21.94 | 5.17 | 682.04 | 0.05 | 1.99 | 0.85 | |||||||||||||||||||||||||||
DY22-4-016 | 33.43 | 0.00 | 1.88 | 26.58 | 0.10 | 0.05 | 37.06 | 0.00 | 99.11 | 2.80 | 0.00 | 0.19 | 1.86 | 0.00 | 0.01 | 0.01 | 3.32 | 15.96 | 83.64 | 0.40 | 22.83 | 0.29 | 819.55 | 0.03 | 1.00 | 0.60 | |||||||||||||||||||||||||||
测点号 | 类型 | wB/10-6 | LREE/ HREE | LaN/ YbN | δEu | ||||||||||||||||||||||||||||||||||||||||||||||||
U | W | Ta | Nb | La | Ce | Pr | Nd | Sm | Eu | Gd | Tb | Dy | Ho | Er | Tm | Yb | Lu | Y | ΣREE | LREE | HREE | ||||||||||||||||||||||||||||||||
DY22-2-001 | GrtⅠ | 0.65 | 406.78 | 0.06 | 0.19 | 1.17 | 3.18 | 0.40 | 1.52 | 0.61 | 0.15 | 0.30 | 0.05 | 0.35 | 0.07 | 0.28 | 0.05 | 0.13 | 0.06 | 2.39 | 8.32 | 7.04 | 1.28 | 5.49 | 6.29 | 0.97 | |||||||||||||||||||||||||||
DY22-2-002 | 0.55 | 504.78 | 0.00 | 0.04 | 1.31 | 2.93 | 0.30 | 1.29 | 0.15 | 0.22 | 0.19 | 0.04 | 0.24 | 0.03 | 0.03 | 0.02 | 0.05 | 0.01 | 1.53 | 6.82 | 6.21 | 0.61 | 10.15 | 19.15 | 4.06 | ||||||||||||||||||||||||||||
DY22-2-003 | 0.71 | 598.30 | 0.00 | 0.08 | 1.12 | 2.75 | 0.29 | 1.18 | 0.17 | 0.11 | 0.27 | 0.01 | 0.08 | 0.04 | 0.04 | 0.02 | 0.12 | 0.02 | 1.09 | 6.23 | 5.63 | 0.60 | 9.38 | 6.80 | 1.61 | ||||||||||||||||||||||||||||
DY22-2-004 | 0.67 | 306.48 | 0.06 | 1.03 | 1.07 | 3.60 | 0.61 | 2.83 | 0.91 | 0.21 | 0.60 | 0.14 | 0.93 | 0.14 | 0.29 | 0.05 | 0.22 | 0.03 | 5.18 | 11.64 | 9.22 | 2.42 | 3.82 | 3.48 | 0.83 | ||||||||||||||||||||||||||||
DY22-2-005 | 0.85 | 564.02 | 0.00 | 0.10 | 1.21 | 2.58 | 0.28 | 0.92 | 0.26 | 0.24 | 0.24 | 0.03 | 0.13 | 0.02 | 0.12 | 0.01 | 0.10 | 0.02 | 1.02 | 6.15 | 5.48 | 0.67 | 8.16 | 8.61 | 2.90 | ||||||||||||||||||||||||||||
DY22-2-006 | 0.60 | 398.98 | 0.06 | 0.56 | 1.23 | 3.27 | 0.42 | 2.03 | 0.39 | 0.19 | 0.56 | 0.12 | 0.49 | 0.07 | 0.20 | 0.01 | 0.31 | 0.02 | 3.07 | 9.32 | 7.54 | 1.78 | 4.23 | 2.89 | 1.24 | ||||||||||||||||||||||||||||
DY22-2-007 | 0.62 | 302.95 | 0.04 | 0.33 | 1.28 | 3.90 | 0.55 | 2.85 | 0.80 | 0.23 | 0.57 | 0.12 | 0.72 | 0.09 | 0.34 | 0.05 | 0.28 | 0.06 | 3.27 | 11.86 | 9.63 | 2.23 | 4.32 | 3.23 | 1.01 | ||||||||||||||||||||||||||||
DY22-2-015 | 0.90 | 544.56 | 0.05 | 0.49 | 0.98 | 2.19 | 0.18 | 0.59 | 0.03 | 0.31 | 0.04 | 0.00 | 0.03 | 0.00 | 0.03 | 0.01 | 0.01 | 0.00 | 0.29 | 4.41 | 4.29 | 0.12 | 35.15 | 50.75 | 26.68 | ||||||||||||||||||||||||||||
DY22-2-016 | 0.29 | 227.47 | 0.05 | 0.42 | 1.77 | 3.60 | 0.40 | 1.54 | 0.25 | 0.16 | 0.09 | 0.04 | 0.20 | 0.05 | 0.21 | 0.02 | 0.28 | 0.02 | 1.29 | 8.62 | 7.71 | 0.91 | 8.48 | 4.55 | 2.67 | ||||||||||||||||||||||||||||
DY22-2-017 | 0.11 | 86.91 | 0.00 | 0.12 | 1.77 | 1.73 | 0.10 | 0.51 | 0.06 | 0.12 | 0.07 | 0.00 | 0.08 | 0.02 | 0.02 | 0.00 | 0.04 | 0.02 | 0.43 | 4.54 | 4.29 | 0.25 | 17.27 | 29.01 | 5.93 | ||||||||||||||||||||||||||||
DY22-2-018 | 0.11 | 73.00 | 0.00 | 0.11 | 1.51 | 2.32 | 0.18 | 0.35 | 0.00 | 0.14 | 0.00 | 0.00 | 0.14 | 0.01 | 0.05 | 0.01 | 0.07 | 0.01 | 0.45 | 4.78 | 4.49 | 0.29 | 15.43 | 14.51 | 1.02 | ||||||||||||||||||||||||||||
DY22-2-019 | 0.11 | 79.94 | 0.02 | 0.01 | 2.01 | 2.69 | 0.11 | 0.34 | 0.07 | 0.14 | 0.07 | 0.01 | 0.00 | 0.01 | 0.01 | 0.01 | 0.08 | 0.00 | 0.14 | 5.54 | 5.37 | 0.18 | 29.88 | 18.98 | 5.79 | ||||||||||||||||||||||||||||
DY22-2-020 | 0.19 | 43.43 | 0.00 | 0.00 | 1.67 | 2.75 | 0.18 | 0.28 | 0.05 | 0.11 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.02 | 0.00 | 0.02 | 5.06 | 5.04 | 0.02 | 319.84 | 75.80 | 11.61 | ||||||||||||||||||||||||||||
DY22-2-021 | 0.29 | 103.74 | 0.00 | 0.11 | 1.02 | 2.42 | 0.26 | 0.83 | 0.06 | 0.26 | 0.10 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.02 | 0.00 | 0.17 | 4.98 | 4.84 | 0.13 | 37.03 | 44.32 | 10.15 | ||||||||||||||||||||||||||||
DY22-2-022 | 0.17 | 49.03 | 0.00 | 0.02 | 0.87 | 1.60 | 0.07 | 0.16 | 0.00 | 0.09 | 0.02 | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.05 | 2.83 | 2.80 | 0.03 | 87.10 | 2.99 | 28.89 | ||||||||||||||||||||||||||||
DY22-2-023 | 0.36 | 29.40 | 0.00 | 0.11 | 0.41 | 1.27 | 0.11 | 0.48 | 0.18 | 0.19 | 0.05 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.15 | 2.69 | 2.64 | 0.05 | 48.32 | 2.75 | 4.59 | ||||||||||||||||||||||||||||
DY22-2-024 | 0.15 | 43.21 | 0.00 | 0.12 | 0.65 | 1.52 | 0.12 | 0.36 | 0.11 | 0.17 | 0.14 | 0.03 | 0.07 | 0.03 | 0.03 | 0.01 | 0.00 | 0.00 | 0.55 | 3.25 | 2.94 | 0.31 | 9.50 | 2.94 | 4.22 | ||||||||||||||||||||||||||||
DY22-4-001 | GrtⅡ | 1.01 | 20.90 | 0.56 | 8.71 | 0.10 | 0.31 | 0.10 | 2.00 | 2.61 | 0.36 | 3.07 | 0.55 | 2.84 | 0.58 | 1.79 | 0.24 | 1.76 | 0.21 | 20.26 | 16.55 | 5.49 | 11.05 | 0.50 | 0.04 | 0.39 | |||||||||||||||||||||||||||
DY22-4-002 | 0.97 | 108.69 | 0.24 | 3.54 | 2.58 | 5.03 | 0.67 | 4.49 | 2.46 | 0.41 | 1.85 | 0.27 | 1.51 | 0.22 | 0.90 | 0.12 | 0.75 | 0.11 | 9.96 | 21.37 | 15.64 | 5.73 | 2.73 | 2.46 | 0.57 | ||||||||||||||||||||||||||||
DY22-4-003 | 0.51 | 35.64 | 0.54 | 9.98 | 0.02 | 0.23 | 0.10 | 1.80 | 1.42 | 0.19 | 2.02 | 0.41 | 1.96 | 0.28 | 0.91 | 0.15 | 0.85 | 0.08 | 11.91 | 10.41 | 3.76 | 6.65 | 0.57 | 0.02 | 0.34 | ||||||||||||||||||||||||||||
DY22-4-004 | 0.57 | 47.41 | 0.76 | 11.20 | 0.03 | 0.25 | 0.14 | 1.88 | 2.38 | 0.15 | 2.06 | 0.34 | 1.58 | 0.28 | 0.97 | 0.13 | 0.87 | 0.11 | 10.54 | 11.16 | 4.82 | 6.34 | 0.76 | 0.03 | 0.21 | ||||||||||||||||||||||||||||
DY22-4-005 | 1.36 | 17.46 | 0.39 | 6.09 | 0.00 | 0.24 | 0.19 | 2.66 | 3.40 | 0.28 | 3.50 | 0.61 | 3.42 | 0.62 | 1.58 | 0.26 | 1.43 | 0.20 | 20.89 | 18.42 | 6.78 | 11.64 | 0.58 | 0.00 | 0.25 | ||||||||||||||||||||||||||||
DY22-4-006 | 1.00 | 18.01 | 0.41 | 7.11 | 0.04 | 0.20 | 0.12 | 1.82 | 2.38 | 0.28 | 2.83 | 0.54 | 2.93 | 0.57 | 1.59 | 0.20 | 1.49 | 0.21 | 20.23 | 15.19 | 4.83 | 10.36 | 0.47 | 0.02 | 0.33 | ||||||||||||||||||||||||||||
DY22-4-007 | 0.63 | 11.81 | 0.33 | 6.94 | 0.02 | 0.18 | 0.08 | 1.15 | 2.16 | 0.24 | 2.20 | 0.52 | 2.41 | 0.50 | 1.50 | 0.19 | 1.53 | 0.18 | 19.54 | 12.86 | 3.83 | 9.03 | 0.42 | 0.01 | 0.33 | ||||||||||||||||||||||||||||
DY22-4-008 | 0.98 | 23.27 | 0.52 | 6.96 | 0.05 | 0.65 | 0.23 | 5.30 | 3.53 | 0.25 | 3.22 | 0.50 | 2.49 | 0.46 | 1.54 | 0.19 | 1.41 | 0.23 | 15.44 | 20.05 | 10.01 | 10.04 | 1.00 | 0.02 | 0.22 | ||||||||||||||||||||||||||||
DY22-4-009 | 1.43 | 14.67 | 0.36 | 6.69 | 0.07 | 0.36 | 0.17 | 2.89 | 3.26 | 0.44 | 2.97 | 0.48 | 2.82 | 0.51 | 1.15 | 0.22 | 1.16 | 0.19 | 15.79 | 16.68 | 7.19 | 9.50 | 0.76 | 0.04 | 0.43 | ||||||||||||||||||||||||||||
DY22-4-010 | 2.40 | 18.94 | 0.39 | 5.89 | 0.00 | 0.36 | 0.23 | 4.54 | 4.68 | 0.33 | 3.81 | 0.44 | 2.56 | 0.43 | 1.42 | 0.19 | 1.52 | 0.21 | 15.88 | 20.71 | 10.14 | 10.57 | 0.96 | 0.00 | 0.23 | ||||||||||||||||||||||||||||
DY22-4-011 | 1.25 | 18.13 | 0.49 | 7.64 | 0.02 | 0.22 | 0.14 | 1.55 | 3.03 | 0.37 | 3.31 | 0.70 | 3.01 | 0.53 | 1.50 | 0.25 | 1.18 | 0.21 | 19.58 | 16.04 | 5.34 | 10.70 | 0.50 | 0.01 | 0.36 | ||||||||||||||||||||||||||||
DY22-4-012 | 1.42 | 136.07 | 0.19 | 2.81 | 1.64 | 7.74 | 1.61 | 10.40 | 2.57 | 0.43 | 2.18 | 0.30 | 1.42 | 0.23 | 0.64 | 0.08 | 0.76 | 0.08 | 9.24 | 30.09 | 24.39 | 5.69 | 4.28 | 1.55 | 0.54 | ||||||||||||||||||||||||||||
DY22-4-013 | 0.79 | 172.30 | 0.04 | 0.65 | 2.75 | 7.13 | 0.99 | 2.66 | 0.42 | 0.16 | 0.25 | 0.01 | 0.21 | 0.02 | 0.05 | 0.00 | 0.10 | 0.01 | 0.63 | 14.74 | 14.10 | 0.64 | 21.98 | 20.57 | 1.37 | ||||||||||||||||||||||||||||
DY22-4-014 | 1.20 | 175.77 | 0.04 | 0.81 | 2.09 | 8.51 | 1.11 | 4.42 | 0.77 | 0.20 | 0.19 | 0.03 | 0.25 | 0.01 | 0.03 | 0.00 | 0.06 | 0.00 | 0.95 | 17.68 | 17.10 | 0.58 | 29.43 | 23.57 | 1.15 | ||||||||||||||||||||||||||||
DY22-4-015 | 1.26 | 160.88 | 0.16 | 1.48 | 1.44 | 7.58 | 1.20 | 6.94 | 1.10 | 0.39 | 0.50 | 0.06 | 0.25 | 0.04 | 0.07 | 0.02 | 0.09 | 0.04 | 0.95 | 19.72 | 18.65 | 1.07 | 17.44 | 11.01 | 1.39 | ||||||||||||||||||||||||||||
DY22-4-016 | 1.09 | 258.31 | 0.01 | 0.08 | 1.83 | 8.92 | 1.50 | 7.06 | 0.98 | 0.34 | 0.56 | 0.01 | 0.07 | 0.01 | 0.03 | 0.00 | 0.00 | 0.00 | 0.45 | 21.33 | 20.63 | 0.70 | 29.42 | 65.61 | 1.28 |
表2 陡崖矿床石榴子石LA-ICP-MS原位微区分析主量元素和微量元素组成
Table 2 In situ microanalysis (LA-ICP-MS) of the major and trace elements composition in garnet from the Douya deposit
测点号 | 类型 | wB/% | 以12个氧原子为标准计算的阳离子数 | wB/% | XB/10-6 | ||||||||||||||||||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
SiO2 | TiO2 | Al2O3 | FeO | MnO | MgO | CaO | Na2O | Total | Si | Ti | Al | Fe3+ | Fe2+ | Mn | Mg | Ca | Gro | And | Other | As | Zr | Sn | Rb | Ba | Sr | ||||||||||||||||||||||||||||
DY22-2-001 | GrtⅠ | 34.08 | 0.02 | 1.61 | 27.21 | 0.17 | 0.10 | 35.96 | 0.00 | 99.16 | 2.84 | 0.00 | 0.16 | 1.90 | 0.00 | 0.01 | 0.01 | 3.21 | 11.34 | 87.89 | 0.77 | 85.05 | 11.61 | 69.18 | 0.00 | 0.04 | 0.09 | ||||||||||||||||||||||||||
DY22-2-002 | 33.47 | 0.01 | 1.33 | 27.46 | 0.17 | 0.11 | 36.59 | 0.00 | 99.14 | 2.80 | 0.00 | 0.13 | 1.92 | 0.00 | 0.01 | 0.01 | 3.28 | 12.04 | 87.18 | 0.78 | 112.53 | 2.57 | 45.21 | 0.00 | 0.16 | 0.11 | |||||||||||||||||||||||||||
DY22-2-003 | 33.57 | 0.00 | 1.16 | 27.76 | 0.18 | 0.11 | 36.32 | 0.00 | 99.12 | 2.81 | 0.00 | 0.11 | 1.94 | 0.00 | 0.01 | 0.01 | 3.26 | 10.44 | 88.76 | 0.80 | 129.59 | 1.96 | 33.27 | 0.03 | 0.04 | 0.20 | |||||||||||||||||||||||||||
DY22-2-004 | 33.68 | 0.03 | 2.22 | 26.46 | 0.18 | 0.09 | 36.52 | 0.00 | 99.19 | 2.81 | 0.00 | 0.22 | 1.84 | 0.00 | 0.01 | 0.01 | 3.26 | 15.04 | 84.22 | 0.74 | 39.64 | 4.50 | 138.53 | 0.00 | 1.04 | 0.53 | |||||||||||||||||||||||||||
DY22-2-005 | 32.57 | 0.00 | 1.22 | 28.13 | 0.18 | 0.11 | 36.90 | 0.00 | 99.12 | 2.74 | 0.00 | 0.12 | 1.98 | 0.00 | 0.01 | 0.01 | 3.33 | 10.67 | 88.55 | 0.78 | 131.55 | 2.06 | 33.32 | 0.00 | 0.49 | 0.43 | |||||||||||||||||||||||||||
DY22-2-006 | 33.09 | 0.02 | 1.71 | 27.44 | 0.17 | 0.10 | 36.61 | 0.00 | 99.15 | 2.77 | 0.00 | 0.17 | 1.92 | 0.00 | 0.01 | 0.01 | 3.29 | 12.15 | 87.10 | 0.76 | 83.31 | 4.29 | 87.40 | 0.01 | 0.01 | 0.14 | |||||||||||||||||||||||||||
DY22-2-007 | 33.17 | 0.02 | 2.12 | 26.88 | 0.16 | 0.09 | 36.74 | 0.00 | 99.18 | 2.77 | 0.00 | 0.21 | 1.88 | 0.00 | 0.01 | 0.01 | 3.29 | 14.23 | 85.08 | 0.69 | 55.82 | 4.94 | 111.21 | 0.00 | 0.13 | 0.13 | |||||||||||||||||||||||||||
DY22-2-015 | 33.38 | 0.00 | 2.06 | 26.54 | 0.21 | 0.09 | 36.85 | 0.00 | 99.15 | 2.79 | 0.00 | 0.20 | 1.86 | 0.00 | 0.01 | 0.01 | 3.30 | 15.54 | 83.66 | 0.79 | 138.57 | 41.45 | 36.84 | 0.07 | 0.00 | 0.21 | |||||||||||||||||||||||||||
DY22-2-016 | 34.00 | 0.18 | 0.61 | 27.68 | 0.14 | 0.08 | 36.48 | 0.00 | 99.18 | 2.85 | 0.01 | 0.06 | 1.94 | 0.00 | 0.01 | 0.01 | 3.27 | 11.09 | 88.31 | 0.60 | 31.14 | 20.85 | 56.56 | 0.00 | 0.26 | 0.19 | |||||||||||||||||||||||||||
DY22-2-017 | 34.39 | 0.02 | 0.33 | 27.87 | 0.15 | 0.05 | 36.38 | 0.00 | 99.20 | 2.88 | 0.00 | 0.03 | 1.95 | 0.00 | 0.01 | 0.01 | 3.26 | 10.28 | 89.21 | 0.51 | 42.57 | 5.78 | 24.45 | 0.00 | 0.11 | 0.28 | |||||||||||||||||||||||||||
DY22-2-018 | 34.36 | 0.03 | 0.28 | 28.04 | 0.13 | 0.03 | 36.33 | 0.00 | 99.20 | 2.87 | 0.00 | 0.03 | 1.96 | 0.00 | 0.01 | 0.00 | 3.26 | 9.61 | 90.00 | 0.39 | 24.91 | 16.51 | 12.72 | 0.06 | 0.08 | 0.21 | |||||||||||||||||||||||||||
DY22-2-019 | 34.52 | 0.02 | 0.24 | 28.00 | 0.12 | 0.03 | 36.26 | 0.00 | 99.20 | 2.88 | 0.00 | 0.02 | 1.96 | 0.00 | 0.01 | 0.00 | 3.25 | 9.54 | 90.07 | 0.39 | 28.12 | 11.42 | 5.41 | 0.05 | 0.00 | 0.16 | |||||||||||||||||||||||||||
DY22-2-020 | 34.84 | 0.00 | 0.49 | 27.38 | 0.14 | 0.02 | 36.35 | 0.00 | 99.23 | 2.90 | 0.00 | 0.05 | 1.91 | 0.00 | 0.01 | 0.00 | 3.25 | 11.76 | 87.86 | 0.38 | 20.17 | 0.60 | 3.85 | 0.09 | 0.16 | 0.43 | |||||||||||||||||||||||||||
DY22-2-021 | 34.38 | 0.00 | 1.13 | 27.00 | 0.17 | 0.01 | 36.52 | 0.00 | 99.22 | 2.87 | 0.00 | 0.11 | 1.88 | 0.00 | 0.01 | 0.00 | 3.26 | 13.37 | 86.22 | 0.42 | 20.35 | 0.41 | 19.27 | 0.17 | 0.04 | 0.61 | |||||||||||||||||||||||||||
DY22-2-022 | 34.44 | 0.00 | 0.12 | 27.71 | 0.14 | 0.01 | 36.78 | 0.00 | 99.22 | 2.88 | 0.00 | 0.01 | 1.94 | 0.00 | 0.01 | 0.00 | 3.30 | 11.75 | 87.92 | 0.33 | 16.46 | 0.21 | 5.02 | 0.04 | 0.04 | 2.82 | |||||||||||||||||||||||||||
DY22-2-023 | 35.56 | 0.00 | 1.89 | 25.32 | 0.28 | 0.01 | 36.20 | 0.00 | 99.28 | 2.94 | 0.00 | 0.18 | 1.75 | 0.00 | 0.02 | 0.00 | 3.20 | 17.99 | 81.38 | 0.63 | 4.67 | 0.34 | 22.83 | 0.02 | 0.04 | 0.59 | |||||||||||||||||||||||||||
DY22-2-024 | 34.09 | 0.00 | 0.38 | 27.49 | 0.20 | 0.01 | 37.02 | 0.00 | 99.22 | 2.86 | 0.00 | 0.04 | 1.93 | 0.00 | 0.01 | 0.00 | 3.32 | 13.00 | 86.54 | 0.46 | 13.71 | 0.49 | 32.10 | 0.05 | 0.03 | 0.40 | |||||||||||||||||||||||||||
DY22-4-001 | GrtⅡ | 35.61 | 0.42 | 10.52 | 15.45 | 0.27 | 0.03 | 37.16 | 0.00 | 99.47 | 2.85 | 0.03 | 0.99 | 1.03 | 0.00 | 0.02 | 0.00 | 3.19 | 50.98 | 48.34 | 0.68 | 1.68 | 23.39 | 575.99 | 0.00 | 0.00 | 0.18 | ||||||||||||||||||||||||||
DY22-4-002 | 34.37 | 0.17 | 4.92 | 22.26 | 0.17 | 0.02 | 37.34 | 0.00 | 99.28 | 2.83 | 0.01 | 0.48 | 1.53 | 0.00 | 0.01 | 0.00 | 3.29 | 30.08 | 69.47 | 0.45 | 45.28 | 7.86 | 500.49 | 0.07 | 0.11 | 0.21 | |||||||||||||||||||||||||||
DY22-4-003 | 35.43 | 0.45 | 11.29 | 14.12 | 0.33 | 0.03 | 37.86 | 0.00 | 99.53 | 2.83 | 0.03 | 1.06 | 0.94 | 0.00 | 0.02 | 0.00 | 3.24 | 55.89 | 43.33 | 0.78 | 0.49 | 21.97 | 444.56 | 0.02 | 0.00 | 0.08 | |||||||||||||||||||||||||||
DY22-4-004 | 35.11 | 0.51 | 11.10 | 14.68 | 0.32 | 0.03 | 37.75 | 0.00 | 99.50 | 2.81 | 0.03 | 1.05 | 0.98 | 0.00 | 0.02 | 0.00 | 3.24 | 54.05 | 45.18 | 0.77 | 0.00 | 31.24 | 522.38 | 0.00 | 0.00 | 0.12 | |||||||||||||||||||||||||||
DY22-4-005 | 34.79 | 0.28 | 8.93 | 17.34 | 0.21 | 0.01 | 37.81 | 0.00 | 99.37 | 2.82 | 0.02 | 0.85 | 1.17 | 0.00 | 0.01 | 0.00 | 3.28 | 46.08 | 53.44 | 0.48 | 0.53 | 20.36 | 946.41 | 0.10 | 0.07 | 0.01 | |||||||||||||||||||||||||||
DY22-4-006 | 35.15 | 0.31 | 10.46 | 15.52 | 0.28 | 0.03 | 37.72 | 0.00 | 99.47 | 2.82 | 0.02 | 0.99 | 1.04 | 0.00 | 0.02 | 0.00 | 3.25 | 51.48 | 47.85 | 0.67 | 0.78 | 24.16 | 636.39 | 0.13 | 0.18 | 0.20 | |||||||||||||||||||||||||||
DY22-4-007 | 36.76 | 0.30 | 10.44 | 14.88 | 0.31 | 0.02 | 36.77 | 0.00 | 99.49 | 2.93 | 0.02 | 0.98 | 0.99 | 0.00 | 0.02 | 0.00 | 3.14 | 52.22 | 47.03 | 0.75 | 1.02 | 21.76 | 581.59 | 0.16 | 0.22 | 0.37 | |||||||||||||||||||||||||||
DY22-4-008 | 34.28 | 0.33 | 7.82 | 18.75 | 0.25 | 0.01 | 37.86 | 0.00 | 99.31 | 2.79 | 0.02 | 0.75 | 1.28 | 0.00 | 0.02 | 0.00 | 3.31 | 41.77 | 57.65 | 0.58 | 1.64 | 19.68 | 1 161.72 | 0.02 | 0.13 | 0.62 | |||||||||||||||||||||||||||
DY22-4-009 | 34.69 | 0.32 | 9.79 | 16.10 | 0.29 | 0.03 | 38.21 | 0.01 | 99.45 | 2.80 | 0.02 | 0.93 | 1.09 | 0.00 | 0.02 | 0.00 | 3.31 | 50.28 | 48.98 | 0.74 | 0.00 | 26.91 | 597.71 | 0.53 | 0.33 | 0.37 | |||||||||||||||||||||||||||
DY22-4-010 | 34.79 | 0.30 | 9.17 | 17.24 | 0.22 | 0.02 | 37.66 | 0.00 | 99.41 | 2.81 | 0.02 | 0.87 | 1.17 | 0.00 | 0.02 | 0.00 | 3.26 | 46.11 | 53.32 | 0.57 | 1.55 | 24.32 | 670.49 | 0.13 | 0.12 | 0.15 | |||||||||||||||||||||||||||
DY22-4-011 | 34.64 | 0.36 | 8.65 | 17.70 | 0.22 | 0.01 | 37.76 | 0.00 | 99.36 | 2.81 | 0.02 | 0.83 | 1.20 | 0.00 | 0.02 | 0.00 | 3.28 | 44.91 | 54.59 | 0.50 | 0.00 | 21.97 | 1 015.02 | 0.05 | 0.05 | 0.18 | |||||||||||||||||||||||||||
DY22-4-012 | 33.59 | 0.12 | 4.32 | 23.33 | 0.15 | 0.02 | 37.64 | 0.00 | 99.18 | 2.78 | 0.01 | 0.42 | 1.62 | 0.00 | 0.01 | 0.00 | 3.34 | 27.34 | 72.27 | 0.40 | 30.98 | 11.29 | 1 004.01 | 0.00 | 0.27 | 0.40 | |||||||||||||||||||||||||||
DY22-4-013 | 33.04 | 0.03 | 1.16 | 27.66 | 0.19 | 0.03 | 37.06 | 0.00 | 99.17 | 2.78 | 0.00 | 0.12 | 1.94 | 0.00 | 0.01 | 0.00 | 3.34 | 12.55 | 86.94 | 0.50 | 54.00 | 1.01 | 151.57 | 0.00 | 0.00 | 0.36 | |||||||||||||||||||||||||||
DY22-4-014 | 33.34 | 0.03 | 1.83 | 26.92 | 0.14 | 0.04 | 36.86 | 0.00 | 99.18 | 2.79 | 0.00 | 0.18 | 1.88 | 0.00 | 0.01 | 0.00 | 3.31 | 14.43 | 85.13 | 0.44 | 29.00 | 1.19 | 292.86 | 0.03 | 1.77 | 0.78 | |||||||||||||||||||||||||||
DY22-4-015 | 33.44 | 0.06 | 2.63 | 25.56 | 0.11 | 0.04 | 37.31 | 0.00 | 99.17 | 2.79 | 0.00 | 0.26 | 1.78 | 0.00 | 0.01 | 0.01 | 3.34 | 19.72 | 79.89 | 0.40 | 21.94 | 5.17 | 682.04 | 0.05 | 1.99 | 0.85 | |||||||||||||||||||||||||||
DY22-4-016 | 33.43 | 0.00 | 1.88 | 26.58 | 0.10 | 0.05 | 37.06 | 0.00 | 99.11 | 2.80 | 0.00 | 0.19 | 1.86 | 0.00 | 0.01 | 0.01 | 3.32 | 15.96 | 83.64 | 0.40 | 22.83 | 0.29 | 819.55 | 0.03 | 1.00 | 0.60 | |||||||||||||||||||||||||||
测点号 | 类型 | wB/10-6 | LREE/ HREE | LaN/ YbN | δEu | ||||||||||||||||||||||||||||||||||||||||||||||||
U | W | Ta | Nb | La | Ce | Pr | Nd | Sm | Eu | Gd | Tb | Dy | Ho | Er | Tm | Yb | Lu | Y | ΣREE | LREE | HREE | ||||||||||||||||||||||||||||||||
DY22-2-001 | GrtⅠ | 0.65 | 406.78 | 0.06 | 0.19 | 1.17 | 3.18 | 0.40 | 1.52 | 0.61 | 0.15 | 0.30 | 0.05 | 0.35 | 0.07 | 0.28 | 0.05 | 0.13 | 0.06 | 2.39 | 8.32 | 7.04 | 1.28 | 5.49 | 6.29 | 0.97 | |||||||||||||||||||||||||||
DY22-2-002 | 0.55 | 504.78 | 0.00 | 0.04 | 1.31 | 2.93 | 0.30 | 1.29 | 0.15 | 0.22 | 0.19 | 0.04 | 0.24 | 0.03 | 0.03 | 0.02 | 0.05 | 0.01 | 1.53 | 6.82 | 6.21 | 0.61 | 10.15 | 19.15 | 4.06 | ||||||||||||||||||||||||||||
DY22-2-003 | 0.71 | 598.30 | 0.00 | 0.08 | 1.12 | 2.75 | 0.29 | 1.18 | 0.17 | 0.11 | 0.27 | 0.01 | 0.08 | 0.04 | 0.04 | 0.02 | 0.12 | 0.02 | 1.09 | 6.23 | 5.63 | 0.60 | 9.38 | 6.80 | 1.61 | ||||||||||||||||||||||||||||
DY22-2-004 | 0.67 | 306.48 | 0.06 | 1.03 | 1.07 | 3.60 | 0.61 | 2.83 | 0.91 | 0.21 | 0.60 | 0.14 | 0.93 | 0.14 | 0.29 | 0.05 | 0.22 | 0.03 | 5.18 | 11.64 | 9.22 | 2.42 | 3.82 | 3.48 | 0.83 | ||||||||||||||||||||||||||||
DY22-2-005 | 0.85 | 564.02 | 0.00 | 0.10 | 1.21 | 2.58 | 0.28 | 0.92 | 0.26 | 0.24 | 0.24 | 0.03 | 0.13 | 0.02 | 0.12 | 0.01 | 0.10 | 0.02 | 1.02 | 6.15 | 5.48 | 0.67 | 8.16 | 8.61 | 2.90 | ||||||||||||||||||||||||||||
DY22-2-006 | 0.60 | 398.98 | 0.06 | 0.56 | 1.23 | 3.27 | 0.42 | 2.03 | 0.39 | 0.19 | 0.56 | 0.12 | 0.49 | 0.07 | 0.20 | 0.01 | 0.31 | 0.02 | 3.07 | 9.32 | 7.54 | 1.78 | 4.23 | 2.89 | 1.24 | ||||||||||||||||||||||||||||
DY22-2-007 | 0.62 | 302.95 | 0.04 | 0.33 | 1.28 | 3.90 | 0.55 | 2.85 | 0.80 | 0.23 | 0.57 | 0.12 | 0.72 | 0.09 | 0.34 | 0.05 | 0.28 | 0.06 | 3.27 | 11.86 | 9.63 | 2.23 | 4.32 | 3.23 | 1.01 | ||||||||||||||||||||||||||||
DY22-2-015 | 0.90 | 544.56 | 0.05 | 0.49 | 0.98 | 2.19 | 0.18 | 0.59 | 0.03 | 0.31 | 0.04 | 0.00 | 0.03 | 0.00 | 0.03 | 0.01 | 0.01 | 0.00 | 0.29 | 4.41 | 4.29 | 0.12 | 35.15 | 50.75 | 26.68 | ||||||||||||||||||||||||||||
DY22-2-016 | 0.29 | 227.47 | 0.05 | 0.42 | 1.77 | 3.60 | 0.40 | 1.54 | 0.25 | 0.16 | 0.09 | 0.04 | 0.20 | 0.05 | 0.21 | 0.02 | 0.28 | 0.02 | 1.29 | 8.62 | 7.71 | 0.91 | 8.48 | 4.55 | 2.67 | ||||||||||||||||||||||||||||
DY22-2-017 | 0.11 | 86.91 | 0.00 | 0.12 | 1.77 | 1.73 | 0.10 | 0.51 | 0.06 | 0.12 | 0.07 | 0.00 | 0.08 | 0.02 | 0.02 | 0.00 | 0.04 | 0.02 | 0.43 | 4.54 | 4.29 | 0.25 | 17.27 | 29.01 | 5.93 | ||||||||||||||||||||||||||||
DY22-2-018 | 0.11 | 73.00 | 0.00 | 0.11 | 1.51 | 2.32 | 0.18 | 0.35 | 0.00 | 0.14 | 0.00 | 0.00 | 0.14 | 0.01 | 0.05 | 0.01 | 0.07 | 0.01 | 0.45 | 4.78 | 4.49 | 0.29 | 15.43 | 14.51 | 1.02 | ||||||||||||||||||||||||||||
DY22-2-019 | 0.11 | 79.94 | 0.02 | 0.01 | 2.01 | 2.69 | 0.11 | 0.34 | 0.07 | 0.14 | 0.07 | 0.01 | 0.00 | 0.01 | 0.01 | 0.01 | 0.08 | 0.00 | 0.14 | 5.54 | 5.37 | 0.18 | 29.88 | 18.98 | 5.79 | ||||||||||||||||||||||||||||
DY22-2-020 | 0.19 | 43.43 | 0.00 | 0.00 | 1.67 | 2.75 | 0.18 | 0.28 | 0.05 | 0.11 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.02 | 0.00 | 0.02 | 5.06 | 5.04 | 0.02 | 319.84 | 75.80 | 11.61 | ||||||||||||||||||||||||||||
DY22-2-021 | 0.29 | 103.74 | 0.00 | 0.11 | 1.02 | 2.42 | 0.26 | 0.83 | 0.06 | 0.26 | 0.10 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.02 | 0.00 | 0.17 | 4.98 | 4.84 | 0.13 | 37.03 | 44.32 | 10.15 | ||||||||||||||||||||||||||||
DY22-2-022 | 0.17 | 49.03 | 0.00 | 0.02 | 0.87 | 1.60 | 0.07 | 0.16 | 0.00 | 0.09 | 0.02 | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.05 | 2.83 | 2.80 | 0.03 | 87.10 | 2.99 | 28.89 | ||||||||||||||||||||||||||||
DY22-2-023 | 0.36 | 29.40 | 0.00 | 0.11 | 0.41 | 1.27 | 0.11 | 0.48 | 0.18 | 0.19 | 0.05 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.15 | 2.69 | 2.64 | 0.05 | 48.32 | 2.75 | 4.59 | ||||||||||||||||||||||||||||
DY22-2-024 | 0.15 | 43.21 | 0.00 | 0.12 | 0.65 | 1.52 | 0.12 | 0.36 | 0.11 | 0.17 | 0.14 | 0.03 | 0.07 | 0.03 | 0.03 | 0.01 | 0.00 | 0.00 | 0.55 | 3.25 | 2.94 | 0.31 | 9.50 | 2.94 | 4.22 | ||||||||||||||||||||||||||||
DY22-4-001 | GrtⅡ | 1.01 | 20.90 | 0.56 | 8.71 | 0.10 | 0.31 | 0.10 | 2.00 | 2.61 | 0.36 | 3.07 | 0.55 | 2.84 | 0.58 | 1.79 | 0.24 | 1.76 | 0.21 | 20.26 | 16.55 | 5.49 | 11.05 | 0.50 | 0.04 | 0.39 | |||||||||||||||||||||||||||
DY22-4-002 | 0.97 | 108.69 | 0.24 | 3.54 | 2.58 | 5.03 | 0.67 | 4.49 | 2.46 | 0.41 | 1.85 | 0.27 | 1.51 | 0.22 | 0.90 | 0.12 | 0.75 | 0.11 | 9.96 | 21.37 | 15.64 | 5.73 | 2.73 | 2.46 | 0.57 | ||||||||||||||||||||||||||||
DY22-4-003 | 0.51 | 35.64 | 0.54 | 9.98 | 0.02 | 0.23 | 0.10 | 1.80 | 1.42 | 0.19 | 2.02 | 0.41 | 1.96 | 0.28 | 0.91 | 0.15 | 0.85 | 0.08 | 11.91 | 10.41 | 3.76 | 6.65 | 0.57 | 0.02 | 0.34 | ||||||||||||||||||||||||||||
DY22-4-004 | 0.57 | 47.41 | 0.76 | 11.20 | 0.03 | 0.25 | 0.14 | 1.88 | 2.38 | 0.15 | 2.06 | 0.34 | 1.58 | 0.28 | 0.97 | 0.13 | 0.87 | 0.11 | 10.54 | 11.16 | 4.82 | 6.34 | 0.76 | 0.03 | 0.21 | ||||||||||||||||||||||||||||
DY22-4-005 | 1.36 | 17.46 | 0.39 | 6.09 | 0.00 | 0.24 | 0.19 | 2.66 | 3.40 | 0.28 | 3.50 | 0.61 | 3.42 | 0.62 | 1.58 | 0.26 | 1.43 | 0.20 | 20.89 | 18.42 | 6.78 | 11.64 | 0.58 | 0.00 | 0.25 | ||||||||||||||||||||||||||||
DY22-4-006 | 1.00 | 18.01 | 0.41 | 7.11 | 0.04 | 0.20 | 0.12 | 1.82 | 2.38 | 0.28 | 2.83 | 0.54 | 2.93 | 0.57 | 1.59 | 0.20 | 1.49 | 0.21 | 20.23 | 15.19 | 4.83 | 10.36 | 0.47 | 0.02 | 0.33 | ||||||||||||||||||||||||||||
DY22-4-007 | 0.63 | 11.81 | 0.33 | 6.94 | 0.02 | 0.18 | 0.08 | 1.15 | 2.16 | 0.24 | 2.20 | 0.52 | 2.41 | 0.50 | 1.50 | 0.19 | 1.53 | 0.18 | 19.54 | 12.86 | 3.83 | 9.03 | 0.42 | 0.01 | 0.33 | ||||||||||||||||||||||||||||
DY22-4-008 | 0.98 | 23.27 | 0.52 | 6.96 | 0.05 | 0.65 | 0.23 | 5.30 | 3.53 | 0.25 | 3.22 | 0.50 | 2.49 | 0.46 | 1.54 | 0.19 | 1.41 | 0.23 | 15.44 | 20.05 | 10.01 | 10.04 | 1.00 | 0.02 | 0.22 | ||||||||||||||||||||||||||||
DY22-4-009 | 1.43 | 14.67 | 0.36 | 6.69 | 0.07 | 0.36 | 0.17 | 2.89 | 3.26 | 0.44 | 2.97 | 0.48 | 2.82 | 0.51 | 1.15 | 0.22 | 1.16 | 0.19 | 15.79 | 16.68 | 7.19 | 9.50 | 0.76 | 0.04 | 0.43 | ||||||||||||||||||||||||||||
DY22-4-010 | 2.40 | 18.94 | 0.39 | 5.89 | 0.00 | 0.36 | 0.23 | 4.54 | 4.68 | 0.33 | 3.81 | 0.44 | 2.56 | 0.43 | 1.42 | 0.19 | 1.52 | 0.21 | 15.88 | 20.71 | 10.14 | 10.57 | 0.96 | 0.00 | 0.23 | ||||||||||||||||||||||||||||
DY22-4-011 | 1.25 | 18.13 | 0.49 | 7.64 | 0.02 | 0.22 | 0.14 | 1.55 | 3.03 | 0.37 | 3.31 | 0.70 | 3.01 | 0.53 | 1.50 | 0.25 | 1.18 | 0.21 | 19.58 | 16.04 | 5.34 | 10.70 | 0.50 | 0.01 | 0.36 | ||||||||||||||||||||||||||||
DY22-4-012 | 1.42 | 136.07 | 0.19 | 2.81 | 1.64 | 7.74 | 1.61 | 10.40 | 2.57 | 0.43 | 2.18 | 0.30 | 1.42 | 0.23 | 0.64 | 0.08 | 0.76 | 0.08 | 9.24 | 30.09 | 24.39 | 5.69 | 4.28 | 1.55 | 0.54 | ||||||||||||||||||||||||||||
DY22-4-013 | 0.79 | 172.30 | 0.04 | 0.65 | 2.75 | 7.13 | 0.99 | 2.66 | 0.42 | 0.16 | 0.25 | 0.01 | 0.21 | 0.02 | 0.05 | 0.00 | 0.10 | 0.01 | 0.63 | 14.74 | 14.10 | 0.64 | 21.98 | 20.57 | 1.37 | ||||||||||||||||||||||||||||
DY22-4-014 | 1.20 | 175.77 | 0.04 | 0.81 | 2.09 | 8.51 | 1.11 | 4.42 | 0.77 | 0.20 | 0.19 | 0.03 | 0.25 | 0.01 | 0.03 | 0.00 | 0.06 | 0.00 | 0.95 | 17.68 | 17.10 | 0.58 | 29.43 | 23.57 | 1.15 | ||||||||||||||||||||||||||||
DY22-4-015 | 1.26 | 160.88 | 0.16 | 1.48 | 1.44 | 7.58 | 1.20 | 6.94 | 1.10 | 0.39 | 0.50 | 0.06 | 0.25 | 0.04 | 0.07 | 0.02 | 0.09 | 0.04 | 0.95 | 19.72 | 18.65 | 1.07 | 17.44 | 11.01 | 1.39 | ||||||||||||||||||||||||||||
DY22-4-016 | 1.09 | 258.31 | 0.01 | 0.08 | 1.83 | 8.92 | 1.50 | 7.06 | 0.98 | 0.34 | 0.56 | 0.01 | 0.07 | 0.01 | 0.03 | 0.00 | 0.00 | 0.00 | 0.45 | 21.33 | 20.63 | 0.70 | 29.42 | 65.61 | 1.28 |
图8 保山陡崖矿床石榴子石球粒陨石标准化稀土元素配分模式图(标准化值据文献[33];清水河、双脉地岩体数据来源于文献[15,27])
Fig.8 Chondrite-normalized REE patterns for garnet in the Douya deposit, Baoshan block. Normalized values from [33]; Qingshuihe and Shuangmaidi rock mass data from [15,27].
测点号 | 元素含量/10-6 | Th/U | 同位素比值及误差 | |||||||
---|---|---|---|---|---|---|---|---|---|---|
Pb | Th | U | 207Pb/206Pb | 2σ | 207Pb/235U | 2σ | 206Pb/238U | 2σ | ||
DY22-2-01 | 0.100 0 | 0.010 0 | 0.480 0 | 0.014 7 | 0.391 4 | 0.043 7 | 5.469 1 | 0.503 7 | 0.109 3 | 0.007 0 |
DY22-2-03 | 0.070 0 | 0.050 0 | 0.250 0 | 0.209 6 | 0.255 5 | 0.064 2 | 3.164 0 | 0.866 9 | 0.110 6 | 0.018 5 |
DY22-2-04 | 0.110 0 | 0.000 0 | 0.500 0 | 0.004 2 | 0.357 2 | 0.044 0 | 5.261 1 | 0.602 3 | 0.115 5 | 0.008 4 |
DY22-2-05 | 0.190 0 | 0.160 0 | 0.460 0 | 0.350 9 | 0.522 9 | 0.049 4 | 11.236 4 | 0.980 8 | 0.164 9 | 0.011 7 |
DY22-2-06 | 0.090 0 | 0.020 0 | 0.740 0 | 0.029 0 | 0.155 9 | 0.033 1 | 1.442 3 | 0.243 4 | 0.079 0 | 0.006 4 |
DY22-2-07 | 0.040 0 | 0.040 0 | 0.250 0 | 0.172 6 | 0.380 1 | 0.112 3 | 4.481 3 | 0.963 9 | 0.113 4 | 0.016 6 |
DY22-2-08 | 0.220 0 | 0.150 0 | 0.460 0 | 0.320 7 | 0.568 5 | 0.054 5 | 12.353 9 | 0.891 1 | 0.167 5 | 0.009 3 |
DY22-2-09 | 0.130 0 | 0.010 0 | 0.380 0 | 0.026 1 | 0.500 0 | 0.046 7 | 9.043 2 | 0.875 5 | 0.141 2 | 0.011 3 |
DY22-2-10 | 0.130 0 | 0.000 0 | 0.370 0 | 0.013 0 | 0.512 8 | 0.058 9 | 9.575 4 | 0.850 0 | 0.149 8 | 0.011 5 |
DY22-2-11 | 0.020 0 | 0.000 0 | 0.250 0 | 0.014 3 | 0.194 2 | 0.080 4 | 2.003 7 | 0.563 5 | 0.098 4 | 0.012 5 |
DY22-2-12 | 0.040 0 | 0.010 0 | 0.320 0 | 0.021 9 | 0.326 0 | 0.116 4 | 3.029 8 | 0.529 6 | 0.105 5 | 0.010 8 |
DY22-2-13 | 0.050 0 | 0.000 0 | 0.250 0 | 0.016 1 | 0.442 8 | 0.099 2 | 6.189 3 | 1.020 9 | 0.122 0 | 0.013 6 |
DY22-2-14 | 0.060 0 | 0.000 0 | 0.170 0 | 0.010 8 | 0.598 5 | 0.153 7 | 8.036 4 | 1.462 6 | 0.146 4 | 0.018 6 |
DY22-2-16 | 0.040 0 | 0.010 0 | 0.230 0 | 0.037 9 | 0.282 3 | 0.106 5 | 2.691 6 | 0.747 2 | 0.116 7 | 0.018 6 |
DY22-2-17 | 0.160 0 | 0.010 0 | 0.450 0 | 0.024 1 | 0.522 9 | 0.054 2 | 9.418 1 | 0.623 5 | 0.144 3 | 0.009 2 |
DY22-2-18 | 0.030 0 | 0.010 0 | 0.250 0 | 0.033 0 | 0.278 3 | 0.103 4 | 2.104 1 | 0.578 7 | 0.085 2 | 0.012 1 |
DY22-2-19 | 0.090 0 | 0.020 0 | 0.370 0 | 0.054 7 | 0.329 2 | 0.074 7 | 4.346 3 | 0.683 1 | 0.118 6 | 0.012 4 |
DY22-2-22 | 0.040 0 | 0.000 0 | 0.230 0 | 0.009 7 | 0.358 8 | 0.139 4 | 3.426 9 | 0.695 3 | 0.108 1 | 0.015 9 |
DY22-2-24 | 0.240 0 | 0.160 0 | 0.460 0 | 0.351 8 | 0.607 0 | 0.046 0 | 15.345 9 | 0.873 8 | 0.188 1 | 0.010 2 |
DY22-2-27 | 0.170 0 | 0.120 0 | 0.430 0 | 0.289 9 | 0.534 3 | 0.073 9 | 9.896 4 | 0.797 0 | 0.151 9 | 0.010 2 |
DY22-2-29 | 0.040 0 | 0.010 0 | 0.230 0 | 0.027 2 | 0.495 5 | 0.124 2 | 6.398 2 | 0.977 9 | 0.137 5 | 0.020 9 |
DY22-4-01 | 0.300 0 | 0.190 0 | 0.310 0 | 0.615 2 | 0.625 2 | 0.110 8 | 19.442 2 | 2.511 2 | 0.242 5 | 0.025 9 |
DY22-4-02 | 0.240 0 | 0.090 0 | 0.680 0 | 0.136 9 | 0.449 1 | 0.057 1 | 8.588 1 | 0.809 7 | 0.153 0 | 0.010 7 |
DY22-4-03 | 0.200 0 | 0.290 0 | 0.380 0 | 0.766 3 | 0.558 0 | 0.104 2 | 11.850 5 | 1.545 5 | 0.186 0 | 0.017 5 |
DY22-4-04 | 0.170 0 | 0.030 0 | 1.970 0 | 0.016 8 | 0.114 5 | 0.015 8 | 1.240 2 | 0.172 1 | 0.083 1 | 0.005 5 |
DY22-4-05 | 0.200 0 | 0.010 0 | 1.840 0 | 0.006 2 | 0.120 0 | 0.018 6 | 1.213 4 | 0.149 5 | 0.077 1 | 0.004 9 |
DY22-4-06 | 0.180 0 | 0.010 0 | 1.570 0 | 0.003 4 | 0.167 4 | 0.027 8 | 2.058 6 | 0.401 9 | 0.091 4 | 0.006 4 |
DY22-4-07 | 0.220 0 | 0.090 0 | 0.680 0 | 0.137 4 | 0.443 4 | 0.048 1 | 7.754 1 | 0.678 2 | 0.140 0 | 0.009 8 |
DY22-4-08 | 0.200 0 | 0.260 0 | 0.280 0 | 0.928 1 | 0.608 0 | 0.072 0 | 17.883 3 | 1.803 7 | 0.243 9 | 0.021 2 |
DY22-4-09 | 0.230 0 | 0.170 0 | 1.400 0 | 0.122 7 | 0.230 8 | 0.024 3 | 2.919 0 | 0.306 1 | 0.095 0 | 0.005 6 |
DY22-4-11 | 0.170 0 | 0.340 0 | 0.370 0 | 0.926 7 | 0.483 5 | 0.084 7 | 9.522 4 | 1.024 7 | 0.160 3 | 0.017 5 |
DY22-4-12 | 0.230 0 | 0.020 0 | 0.680 0 | 0.031 0 | 0.388 3 | 0.046 9 | 7.066 6 | 0.580 0 | 0.147 4 | 0.011 2 |
DY22-4-13 | 0.260 0 | 0.070 0 | 0.570 0 | 0.120 7 | 0.515 3 | 0.048 4 | 11.551 4 | 1.077 7 | 0.175 3 | 0.013 2 |
DY22-4-14 | 0.140 0 | 0.350 0 | 1.520 0 | 0.231 6 | 0.081 0 | 0.015 4 | 0.890 4 | 0.154 5 | 0.080 4 | 0.004 6 |
DY22-4-15 | 0.150 0 | 0.280 0 | 1.410 0 | 0.195 8 | 0.110 8 | 0.022 1 | 1.020 6 | 0.132 9 | 0.075 4 | 0.004 9 |
DY22-4-16 | 0.180 0 | 0.410 0 | 1.700 0 | 0.244 0 | 0.104 6 | 0.015 2 | 1.084 1 | 0.125 5 | 0.081 9 | 0.004 3 |
DY22-4-17 | 0.200 0 | 0.050 0 | 0.490 0 | 0.107 2 | 0.478 5 | 0.079 5 | 8.795 8 | 0.890 7 | 0.158 3 | 0.012 7 |
DY22-4-18 | 0.170 0 | 0.040 0 | 0.450 0 | 0.091 5 | 0.427 2 | 0.081 1 | 8.002 9 | 0.749 8 | 0.146 6 | 0.012 1 |
DY22-4-19 | 0.150 0 | 0.300 0 | 1.860 0 | 0.163 7 | 0.070 3 | 0.013 0 | 0.688 5 | 0.117 4 | 0.076 4 | 0.004 6 |
DY22-4-20 | 0.210 0 | 0.050 0 | 0.710 0 | 0.071 3 | 0.405 9 | 0.048 2 | 5.992 0 | 0.464 6 | 0.117 4 | 0.007 4 |
表3 陡崖矿床石榴子石LA-SF-ICP-MS U-Pb定年分析结果
Table 3 LA-SF-ICP-MS U-Pb dating analysis results of garnet from the Douya deposit
测点号 | 元素含量/10-6 | Th/U | 同位素比值及误差 | |||||||
---|---|---|---|---|---|---|---|---|---|---|
Pb | Th | U | 207Pb/206Pb | 2σ | 207Pb/235U | 2σ | 206Pb/238U | 2σ | ||
DY22-2-01 | 0.100 0 | 0.010 0 | 0.480 0 | 0.014 7 | 0.391 4 | 0.043 7 | 5.469 1 | 0.503 7 | 0.109 3 | 0.007 0 |
DY22-2-03 | 0.070 0 | 0.050 0 | 0.250 0 | 0.209 6 | 0.255 5 | 0.064 2 | 3.164 0 | 0.866 9 | 0.110 6 | 0.018 5 |
DY22-2-04 | 0.110 0 | 0.000 0 | 0.500 0 | 0.004 2 | 0.357 2 | 0.044 0 | 5.261 1 | 0.602 3 | 0.115 5 | 0.008 4 |
DY22-2-05 | 0.190 0 | 0.160 0 | 0.460 0 | 0.350 9 | 0.522 9 | 0.049 4 | 11.236 4 | 0.980 8 | 0.164 9 | 0.011 7 |
DY22-2-06 | 0.090 0 | 0.020 0 | 0.740 0 | 0.029 0 | 0.155 9 | 0.033 1 | 1.442 3 | 0.243 4 | 0.079 0 | 0.006 4 |
DY22-2-07 | 0.040 0 | 0.040 0 | 0.250 0 | 0.172 6 | 0.380 1 | 0.112 3 | 4.481 3 | 0.963 9 | 0.113 4 | 0.016 6 |
DY22-2-08 | 0.220 0 | 0.150 0 | 0.460 0 | 0.320 7 | 0.568 5 | 0.054 5 | 12.353 9 | 0.891 1 | 0.167 5 | 0.009 3 |
DY22-2-09 | 0.130 0 | 0.010 0 | 0.380 0 | 0.026 1 | 0.500 0 | 0.046 7 | 9.043 2 | 0.875 5 | 0.141 2 | 0.011 3 |
DY22-2-10 | 0.130 0 | 0.000 0 | 0.370 0 | 0.013 0 | 0.512 8 | 0.058 9 | 9.575 4 | 0.850 0 | 0.149 8 | 0.011 5 |
DY22-2-11 | 0.020 0 | 0.000 0 | 0.250 0 | 0.014 3 | 0.194 2 | 0.080 4 | 2.003 7 | 0.563 5 | 0.098 4 | 0.012 5 |
DY22-2-12 | 0.040 0 | 0.010 0 | 0.320 0 | 0.021 9 | 0.326 0 | 0.116 4 | 3.029 8 | 0.529 6 | 0.105 5 | 0.010 8 |
DY22-2-13 | 0.050 0 | 0.000 0 | 0.250 0 | 0.016 1 | 0.442 8 | 0.099 2 | 6.189 3 | 1.020 9 | 0.122 0 | 0.013 6 |
DY22-2-14 | 0.060 0 | 0.000 0 | 0.170 0 | 0.010 8 | 0.598 5 | 0.153 7 | 8.036 4 | 1.462 6 | 0.146 4 | 0.018 6 |
DY22-2-16 | 0.040 0 | 0.010 0 | 0.230 0 | 0.037 9 | 0.282 3 | 0.106 5 | 2.691 6 | 0.747 2 | 0.116 7 | 0.018 6 |
DY22-2-17 | 0.160 0 | 0.010 0 | 0.450 0 | 0.024 1 | 0.522 9 | 0.054 2 | 9.418 1 | 0.623 5 | 0.144 3 | 0.009 2 |
DY22-2-18 | 0.030 0 | 0.010 0 | 0.250 0 | 0.033 0 | 0.278 3 | 0.103 4 | 2.104 1 | 0.578 7 | 0.085 2 | 0.012 1 |
DY22-2-19 | 0.090 0 | 0.020 0 | 0.370 0 | 0.054 7 | 0.329 2 | 0.074 7 | 4.346 3 | 0.683 1 | 0.118 6 | 0.012 4 |
DY22-2-22 | 0.040 0 | 0.000 0 | 0.230 0 | 0.009 7 | 0.358 8 | 0.139 4 | 3.426 9 | 0.695 3 | 0.108 1 | 0.015 9 |
DY22-2-24 | 0.240 0 | 0.160 0 | 0.460 0 | 0.351 8 | 0.607 0 | 0.046 0 | 15.345 9 | 0.873 8 | 0.188 1 | 0.010 2 |
DY22-2-27 | 0.170 0 | 0.120 0 | 0.430 0 | 0.289 9 | 0.534 3 | 0.073 9 | 9.896 4 | 0.797 0 | 0.151 9 | 0.010 2 |
DY22-2-29 | 0.040 0 | 0.010 0 | 0.230 0 | 0.027 2 | 0.495 5 | 0.124 2 | 6.398 2 | 0.977 9 | 0.137 5 | 0.020 9 |
DY22-4-01 | 0.300 0 | 0.190 0 | 0.310 0 | 0.615 2 | 0.625 2 | 0.110 8 | 19.442 2 | 2.511 2 | 0.242 5 | 0.025 9 |
DY22-4-02 | 0.240 0 | 0.090 0 | 0.680 0 | 0.136 9 | 0.449 1 | 0.057 1 | 8.588 1 | 0.809 7 | 0.153 0 | 0.010 7 |
DY22-4-03 | 0.200 0 | 0.290 0 | 0.380 0 | 0.766 3 | 0.558 0 | 0.104 2 | 11.850 5 | 1.545 5 | 0.186 0 | 0.017 5 |
DY22-4-04 | 0.170 0 | 0.030 0 | 1.970 0 | 0.016 8 | 0.114 5 | 0.015 8 | 1.240 2 | 0.172 1 | 0.083 1 | 0.005 5 |
DY22-4-05 | 0.200 0 | 0.010 0 | 1.840 0 | 0.006 2 | 0.120 0 | 0.018 6 | 1.213 4 | 0.149 5 | 0.077 1 | 0.004 9 |
DY22-4-06 | 0.180 0 | 0.010 0 | 1.570 0 | 0.003 4 | 0.167 4 | 0.027 8 | 2.058 6 | 0.401 9 | 0.091 4 | 0.006 4 |
DY22-4-07 | 0.220 0 | 0.090 0 | 0.680 0 | 0.137 4 | 0.443 4 | 0.048 1 | 7.754 1 | 0.678 2 | 0.140 0 | 0.009 8 |
DY22-4-08 | 0.200 0 | 0.260 0 | 0.280 0 | 0.928 1 | 0.608 0 | 0.072 0 | 17.883 3 | 1.803 7 | 0.243 9 | 0.021 2 |
DY22-4-09 | 0.230 0 | 0.170 0 | 1.400 0 | 0.122 7 | 0.230 8 | 0.024 3 | 2.919 0 | 0.306 1 | 0.095 0 | 0.005 6 |
DY22-4-11 | 0.170 0 | 0.340 0 | 0.370 0 | 0.926 7 | 0.483 5 | 0.084 7 | 9.522 4 | 1.024 7 | 0.160 3 | 0.017 5 |
DY22-4-12 | 0.230 0 | 0.020 0 | 0.680 0 | 0.031 0 | 0.388 3 | 0.046 9 | 7.066 6 | 0.580 0 | 0.147 4 | 0.011 2 |
DY22-4-13 | 0.260 0 | 0.070 0 | 0.570 0 | 0.120 7 | 0.515 3 | 0.048 4 | 11.551 4 | 1.077 7 | 0.175 3 | 0.013 2 |
DY22-4-14 | 0.140 0 | 0.350 0 | 1.520 0 | 0.231 6 | 0.081 0 | 0.015 4 | 0.890 4 | 0.154 5 | 0.080 4 | 0.004 6 |
DY22-4-15 | 0.150 0 | 0.280 0 | 1.410 0 | 0.195 8 | 0.110 8 | 0.022 1 | 1.020 6 | 0.132 9 | 0.075 4 | 0.004 9 |
DY22-4-16 | 0.180 0 | 0.410 0 | 1.700 0 | 0.244 0 | 0.104 6 | 0.015 2 | 1.084 1 | 0.125 5 | 0.081 9 | 0.004 3 |
DY22-4-17 | 0.200 0 | 0.050 0 | 0.490 0 | 0.107 2 | 0.478 5 | 0.079 5 | 8.795 8 | 0.890 7 | 0.158 3 | 0.012 7 |
DY22-4-18 | 0.170 0 | 0.040 0 | 0.450 0 | 0.091 5 | 0.427 2 | 0.081 1 | 8.002 9 | 0.749 8 | 0.146 6 | 0.012 1 |
DY22-4-19 | 0.150 0 | 0.300 0 | 1.860 0 | 0.163 7 | 0.070 3 | 0.013 0 | 0.688 5 | 0.117 4 | 0.076 4 | 0.004 6 |
DY22-4-20 | 0.210 0 | 0.050 0 | 0.710 0 | 0.071 3 | 0.405 9 | 0.048 2 | 5.992 0 | 0.464 6 | 0.117 4 | 0.007 4 |
[1] | MEINERT L D, DIPPLE G M, NICOLESCU S. World skarn deposits[J]. Economic Geology, 2005, 100th Anniversary Volume: 299-336. |
[2] | HONG J X, ZHANG H Y, ZHAI D G, et al. The geochronology of the Haobugao skarn Zn-Pb deposit (NE China) using garnet LA-ICP-MS U-Pb dating[J]. Ore Geology Reviews, 2021, 139: 104437. |
[3] | MEZGER K, HANSON G N, BOHLEN S R. U-Pb systematics of garnet: dating the growth of garnet in the late Archean Pikwitonei granulite domain at Cauchon and Natawahunan Lakes, Manitoba, Canada[J]. Contributions to Mineralogy and Petrology, 1989, 101(2): 136-148. |
[4] | BAXTER E F, CADDICK M J, DRAGOVIC B. Garnet: a rock-forming mineral petrochronometer[J]. Reviews in Mineralogy and Geochemistry, 2017, 83(1): 469-533. |
[5] | 张小波, 张世涛, 陈华勇, 等. 石榴子石U-Pb定年在矽卡岩矿床中的应用: 以鄂东南高椅山硅灰石(-铜)矿床为例[J]. 地球科学, 2020, 45(3): 856-868. |
[6] | 刘益, 孔志岗, 陈港, 等. 滇东南官房钨矿床石榴子石原位LA-SF-ICP-MS U-Pb定年及地质意义[J]. 岩石学报, 2021, 37(3): 847-864. |
[7] | 张立中, 陈蕾, 王国平, 等. 石榴石U-Pb定年对山西义兴寨金矿床角砾岩筒时间的限制和金矿成因的指示[J]. 地球科学, 2020, 45(1): 108-117. |
[8] | 高雪, 邓军, 孟健寅, 等. 滇西红牛矽卡岩型铜矿床石榴子石特征[J]. 岩石学报, 2014, 30(9): 2695-2708. |
[9] | 王伟, 王敏芳, 刘坤, 等. 矽卡岩中石榴子石在示踪热液流体演化和矿化分带中的研究现状及其展望[J]. 岩石矿物学杂志, 2016, 35(1): 147-161. |
[10] | 边晓龙, 张静, 王佳琳, 等. 滇西北红山矽卡岩型铜矿床石榴子石原位成分及其地质意义[J]. 岩石学报, 2019, 35(5): 1463-1477. |
[11] | 董美玲, 董国臣, 莫宣学, 等. 滇西保山地块早古生代花岗岩类的年代学、地球化学及意义[J]. 岩石学报, 2012, 28(5): 1453-1464. |
[12] | 周美玲, 夏小平, 彭头平, 等. 滇西保山地块早古生代碎屑锆石U-Pb-Hf同位素研究及其对冈瓦纳大陆重建的制约[J]. 岩石学报, 2020, 36(2): 469-483. |
[13] | LIU S, HU R Z, GAO S, et al. U-Pb zircon, geochemical and Sr-Nd-Hf isotopic constraints on the age and origin of Early Palaeozoic I-type granite from the Tengchong-Baoshan Block, western Yunnan Province, SW China[J]. Journal of Asian Earth Sciences, 2009, 36(2/3): 168-182. |
[14] | LI G J, DENG J, WANG Q F, et al. Metallogenic model for the Laochang Pb-Zn-Ag-Cu volcanogenic massive sulfide deposit related to a Paleo-Tethys OIB-like volcanic center, SW China[J]. Ore Geology Reviews, 2015, 70(10): 578-594. |
[15] | 李光洁, 陈永清, 尚志. 云南清水河早古生代过铝质花岗岩的发现及其对保山地块岩石圈地幔拆沉的限定[J]. 地质通报, 2022, 41(4): 590-610. |
[16] | 赵川杰, 曾强红, 邓其锋, 等. 云南省保山市隆阳区陡崖铁多金属矿普查报告[R]. 昆明: 云南黄金矿业集团股份有限公司, 2015. |
[17] | 杨发贵, 邓其锋. 浅析云南省保山市陡崖铜多金属矿地质特征及其成因[J]. 世界有色金属, 2019(5): 132, 134. |
[18] | 罗坤. 云南省保山市陡崖铁矿成矿地质背景及成矿模式探讨[J]. 中国金属通报, 2020(3): 30-31. |
[19] | 陶琰, 胡瑞忠, 朱飞霖, 等. 云南保山核桃坪铅锌矿成矿年龄及动力学背景分析[J]. 岩石学报, 2010, 26(6): 1760-1772. |
[20] | 黄华, 张长青, 周云满, 等. 云南金厂河铁铜铅锌多金属矿床矽卡岩矿物学特征及蚀变分带[J]. 岩石矿物学杂志, 2014, 33(1): 127-148. |
[21] | 董美玲, 董国臣, 莫宣学, 等. 滇西保山地块中-新生代岩浆作用及其构造意义[J]. 岩石学报, 2013, 29(11): 3901-3913. |
[22] | 刘学龙, 李文昌, 周云满, 等. 滇西保山地块金厂河矿集区铁铜金铅锌多金属矿床成矿系统[J]. 沉积与特提斯地质, 2022, 42(1): 133-150. |
[23] | 胡安林, 王基元, 张卫文, 等. 保山市陡崖铜多金属矿成矿模式及找矿潜力[J]. 云南地质, 2020, 39(2): 186-192. |
[24] | 徐荣. 西南三江保山地块芦子园Zn-Pb多金属矿床成因:矿物化学与同位素地球化学约束[D]. 昆明: 昆明理工大学, 2021. |
[25] | LIAO S Y, WANG D B, TANG Y, et al. Late Paleozoic Woniusi basaltic province from Sibumasu terrane: implications for the breakup of eastern Gondwana’s northern margin[J]. Geological Society of America Bulletin, 2015, 127(9/10): 1313-1330. |
[26] | 张玉泉, 谢应雯, 成忠礼. 三江地区含锡花岗岩Rb-Sr等时线年龄[J]. 岩石学报, 1990(1): 75-81. |
[27] | LI G J, WANG Q F, HUANG Y H, et al. Petrogenesis of middle Ordovician peraluminous granites in the Baoshan block: implications for the early Paleozoic tectonic evolution along East Gondwana[J]. Lithos, 2016, 245(2): 76-92. |
[28] | 王晓林, 李维科, 黄亮, 等. 滇西龙陵地区三叠纪蚌东花岗岩体LA-ICP-MS锆石U-Pb年龄、地球化学特征及其构造意义[J]. 地质通报, 2018, 37(11): 2071-2078. |
[29] | 禹丽, 李龚健, 王庆飞, 等. 保山地块北部晚白垩世岩浆岩成因及其构造指示: 全岩地球化学、锆石U-Pb年代学和Hf同位素制约[J]. 岩石学报, 2014, 30(9): 2709-2724. |
[30] | LIU Y S, HU Z C, GAO S, et al. In situ analysis of major and trace elements of anhydrous minerals by LA-ICP-MS without applying an internal standard[J]. Chemical Geology, 2008, 257(1/2): 34-43. |
[31] | DENG X D, LI J W, LUO T, et al. Dating magmatic and hydrothermal processes using andradite-rich garnet U-Pb geochronometry[J]. Contributions to Mineralogy and Petrology, 2017, 172: 1-11. |
[32] | 纪敏, 赵新福, 曾丽平, 等. 鄂东南铜绿山矿床石榴子石显微结构及微区成分对成矿过程的指示[J]. 岩石学报, 2018, 34(9): 2716-2732. |
[33] | SUN S S, MCDONOUGH W F. Chemical and isotopic systematics of oceanic basalts: implications for mantle composition and processes[J]. Geological Society, London, Special Publications, 1989, 42(1): 313-345. |
[34] | TANG Y W, CUI K, ZHENG Z, et al. LA-ICP-MS U-Pb geochronology of wolframite by combining NIST series and common lead-bearing MTM as the primary reference material: implications for metallogenesis of South China[J]. Gondwana Research, 2020, 83: 217-231. |
[35] | TANG Y W, GAO J F, LAN T G, et al. In situ low-U garnet U-Pb dating by LA-SF-ICP-MS and its application in constraining the origin of Anji skarn system combined with Ar-Ar dating and Pb isotopes[J]. Ore Geology Reviews, 2021, 130: 103970. |
[36] | 邓军, 王庆飞, 李龚健. 复合造山和复合成矿系统: 三江特提斯例析[J]. 岩石学报, 2016, 32(8): 2225-2247. |
[37] |
邓军, 王庆飞, 陈福川, 等. 再论三江特提斯复合成矿系统[J]. 地学前缘, 2020, 27(2): 106-136.
DOI |
[38] | 罗应. 滇西保山地块金厂河铅锌矿区辉绿岩地球化学、年代学特征及构造意义[D]. 昆明: 昆明理工大学, 2020. |
[39] | CAWOOD P A, JOHNSON M R W, NEMCHIN A A. Early Palaeozoic orogenesis along the Indian margin of Gondwana: tectonic response to Gondwana assembly[J]. Earth and Planetary Science Letters, 2007, 255(1/2): 70-84. |
[40] | 陈吉琛. 滇西花岗岩类 Pb、Sr 同位素组成特征及其基底时代和性质[J]. 地质科学, 1991, 26(2): 174-183. |
[41] | MENZER G. Die kristallstructure von granat[J]. Zeitschift Fur Kristallographie, 1926, 63: 157-158. |
[42] | ZHAO L J, ZHANG Y, SHAO Y J, et al. Using garnet geochemistry discriminating different skarn mineralization systems: perspective from Huangshaping W-Mo-Sn-Cu polymetallic deposit, South China[J]. Ore Geology Reviews, 2021, 138: 104412. |
[43] | GASPAR M, KNAACK C, MEINERT L D, et al. REE in skarn systems: a LA-ICP-MS study of garnets from the Crown Jewel gold deposit[J]. Geochimica et Cosmochimica Acta, 2008, 72(1): 185-205. |
[44] | MCINTIRE W L. Trace element partition coefficients: a review of theory and applications to geology[J]. Geochimica et Cosmochimica Acta, 1963, 27(12): 1209-1264. |
[45] | 郁凡, 舒启海, 曾庆文, 等. 湘南新田岭矽卡岩型钨矿床石榴子石成分特征及其地质意义[J]. 岩石学报, 2022, 38(1): 78-90. |
[46] | SMITH M P, HENDERSON P, JEFFRIES T E R, et al. The rare earth elements and uranium in garnets from the Beinn an Dubhaich Aureole, Skye, Scotland, UK: constraints on processes in a dynamic hydrothermal system[J]. Journal of Petrology, 2004, 45(3): 457-484. |
[47] | LIU L J, ZHOU T F, ZHANG D Y, et al. Major and trace elements analyses of garnet from the Haobugao Zn-Fe-Sn polymetallic deposit, Northeast China: implications for skarn formation and hydrothermal fluid evolution[J]. Ore Geology Reviews, 2021, 138: 104337. |
[48] | TIAN Z D, LENG C B, ZHANG X C, et al. Chemical composition, genesis and exploration implication of garnet from the Hongshan Cu-Mo skarn deposit, SW China[J]. Ore Geology Reviews, 2019, 112: 103016. |
[49] | 刘晓菲, 袁顺达, 双燕, 等. 湖南金船塘锡铋矿床石榴子石原位LA-ICP-MS稀土元素分析及其意义[J]. 岩石学报, 2014, 30(1): 163-177. |
[50] | LI Y, YUAN F, JOWITT S M, et al. Garnet major and trace element evidence of the alteration and mineralizing processes associated with genesis of the Qiaomaishan skarn deposit, Xuancheng ore district, eastern China[J]. Ore Geology Reviews, 2021, 137: 104304. |
[51] | BAU M. Rare-earth element mobility during hydrothermal and metamorphic fluid-rock interaction and the significance of the oxidation state of europium[J]. Chemical Geology, 1991, 93(3/4): 219-230. |
[52] | ZHANG Y, SHAO Y J, WU C D, et al. LA-ICP-MS trace element geochemistry of garnets: constraints on hydrothermal fluid evolution and genesis of the Xinqiao Cu-S-Fe-Au deposit, eastern China[J]. Ore Geology Reviews, 2017, 86: 426-439. |
[53] | FU Y, SUN X M, LI D F, et al. U-Pb geochronology and geochemistry of U-rich garnet from the giant Beiya gold-polymetallic deposit in SW China: constraints on skarn mineralization process[J]. Minerals, 2018, 8(4): 128. |
[54] | ALLEN D E, SEYFRIED W E. REE controls in ultramafic hosted MOR hydrothermal systems: an experimental study at elevated temperature and pressure[J]. Geochimica et Cosmochimica Acta, 2005, 69(3): 675-683. |
[55] | 卢焕章. 流体不混溶性和流体包裹体[J]. 岩石学报, 2011, 27(5): 1253-1261. |
[56] | 罗栋. 胶东三山岛金矿床成矿流体演化[D]. 北京: 中国地质大学(北京), 2014. |
[57] | SOMARIN A K. Garnetization as a ground preparation process for copper mineralization: evidence from the Mazraeh skarn deposit, Iran[J]. International Journal of Earth Sciences, 2010, 99(2): 343-356. |
[58] | PARK C, CHOI W, KIM H, et al. Oscillatory zoning in skarn garnet: implications for tungsten ore exploration[J]. Ore Geology Reviews, 2017, 89: 1006-1018. |
[59] | EADINGTON P J, KINEALY K. Some aspects of the hydrothermal reactions of tin during skarn formation[J]. Journal of the Geological Society of Australia, 1983, 30(3/4): 461-471. |
[60] | 赵盼捞, 袁顺达, 原垭斌. 湘南黄沙坪多金属矿床石榴子石地球化学特征及其对Cu与W-Sn复合成矿机理的指示[J]. 岩石学报, 2018, 34(9): 2581-2597. |
[1] | 刘远征, 马瑾, 马文涛. 探讨紫坪铺水库在汶川地震发生中的作用[J]. 地学前缘, 20140101, 21(1): 150-160. |
[2] | 胡晗, 张立飞, 彭卫刚, 兰春元, 刘志成. 西南天山超高压泥质片岩中石墨的形成:对俯冲带碳迁移、储存的启示[J]. 地学前缘, 2024, 31(6): 282-303. |
[3] | 字艳梅, 田世洪, 陈欣阳, 侯增谦, 杨志明, 龚迎莉, 唐清雨. 埃达克岩与热液成矿过程中钾镁同位素分馏及其指示意义:以驱龙斑岩铜矿床为例[J]. 地学前缘, 2024, 31(3): 150-169. |
[4] | 王俊鹏, 曾联波, 徐振平, 王珂, 曾庆鲁, 张知源, 张荣虎, 蒋俊. 成岩流体对超深致密砂岩储层构造裂缝充填及溶蚀改造的影响:以塔里木盆地克拉苏油气田为例[J]. 地学前缘, 2024, 31(3): 312-323. |
[5] | 吴锟言, 刘飚, 吴堑虹, 李欢. 岩浆热液白钨矿氧同位素组成研究:对流体源区与演化过程的示踪[J]. 地学前缘, 2024, 31(2): 299-312. |
[6] | 李柯然, 杨迪, 宋金民, 李智武, 金鑫, 刘芳, 杨雄, 刘树根, 叶玥豪, 范建平, 任佳鑫, 赵玲丽, 夏舜, 陈伟. 滇东北地区下寒武统龙王庙组白云石化模式研究:来自钙同位素模拟结果[J]. 地学前缘, 2024, 31(2): 313-326. |
[7] | 张毅恒, 张涛, 雍媛媛, 鱼驰洋, 肖巨月, 何凯悦, 王邓, 王星, 王宾, 杨晓光, 韩健. 滨海海底边界层对底栖微体化石仿真模拟的影响[J]. 地学前缘, 2024, 31(2): 410-422. |
[8] | 杨立强, 杨伟, 张良, 高雪, 申世龙, 王偲瑞, 徐瀚涛, 贾晓晨, 邓军. 热液成矿系统构造控矿理论[J]. 地学前缘, 2024, 31(1): 239-266. |
[9] | 高伟, 胡瑞忠, 李秋立, 刘建中, 李献华. 右江盆地卡林型金矿成矿年代学研究进展[J]. 地学前缘, 2024, 31(1): 267-283. |
[10] | 刘池洋, 张龙, 黄雷, 吴柏林, 王建强, 张东东, 谭成仟, 马艳萍, 赵建社. 砂岩型铀矿形成的新模式:来自深部有机流体的成矿作用[J]. 地学前缘, 2024, 31(1): 368-383. |
[11] | 兰春元, 张立飞, 陶仁彪, 胡晗, 张丽娟, 王超. 基于DEW模型的地球深部流体组成与水岩相互作用计算方法综述[J]. 地学前缘, 2024, 31(1): 64-76. |
[12] | 马永生, 蔡勋育, 李慧莉, 朱东亚, 张军涛, 杨敏, 段金宝, 邓尚, 尤东华, 武重阳, 陈森然. 深层-超深层碳酸盐岩储层发育机理新认识与特深层油气勘探方向[J]. 地学前缘, 2023, 30(6): 1-13. |
[13] | 李慧莉, 高键, 曹自成, 朱秀香, 郭小文, 曾帅. 塔里木盆地顺托果勒低隆起走滑断裂带流体时空分布及油气成藏意义[J]. 地学前缘, 2023, 30(6): 316-328. |
[14] | 尤东华, 彭守涛, 何治亮, 刘永立, 韩俊, 肖重阳, 李映涛. 塔里木盆地阿-满过渡带北部深循环岩溶作用的范围与机制[J]. 地学前缘, 2023, 30(6): 69-79. |
[15] | 聂潇, 陈雷, 郭现轻, 于涛, 王宗起. 南秦岭中段宁陕地区绿柱石-铌铁矿型伟晶岩中磷灰石和铌铁矿族矿物的矿物地球化学研究[J]. 地学前缘, 2023, 30(5): 115-133. |
阅读次数 | ||||||
全文 |
|
|||||
摘要 |
|
|||||