Earth Science Frontiers ›› 2020, Vol. 27 ›› Issue (3): 168-181.DOI: 10.13745/j.esf.sf.2019.9.24
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ZHANG Bo1(), SU Shangguo1,*(), MO Xuanxue1, FENG Shaochong1,2, WU Yue3, JIANG Xiao4, FENG Yanfang5, LIU Jiangtao5
Received:
2019-08-16
Revised:
2019-10-28
Online:
2020-05-20
Published:
2020-05-20
Contact:
SU Shangguo
CLC Number:
ZHANG Bo, SU Shangguo, MO Xuanxue, FENG Shaochong, WU Yue, JIANG Xiao, FENG Yanfang, LIU Jiangtao. Magmatic response to lithospheric thinning of the North China Craton: evidence from porphyritic aegirite-bearing syenite in Wu'an, Hebei, China[J]. Earth Science Frontiers, 2020, 27(3): 168-181.
岩石 类型 | 矿物 类型 | wB/% | An | Ab | Or | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
SiO2 | TiO2 | Al2O3 | FeO | MnO | MgO | CaO | Na2O | K2O | P2O5 | Total | |||||
含霓石 斑状 正长岩 | 条纹 | 68.85 | 19 | 0.33 | 11.22 | 99.4 | 2.76 | 97.24 | 0 | ||||||
长石1# | 64.75 | 17.66 | 0.12 | 0.02 | 0.5 | 17.36 | 100.41 | 0 | 2.51 | 97.49 | |||||
均一 | 1.35 | 48.87 | 49.78 | ||||||||||||
条纹 | 68.84 | 19.42 | 0.14 | 0.58 | 11.43 | 0.05 | 100.46 | 4.64 | 94.9 | 0.46 | |||||
长石2# | 63.8 | 0.15 | 17.51 | 0.19 | 0.05 | 0.4 | 17.46 | 99.56 | 0.24 | 2 | 97.76 | ||||
均一 | 2.39 | 47.47 | 50.14 | ||||||||||||
条纹 | 68.79 | 18.6 | 0.25 | 0.14 | 11.57 | 99.35 | 1.15 | 98.85 | 0 | ||||||
长石3# | 64.38 | 0.08 | 17.6 | 0.08 | 0.02 | 0.19 | 0.33 | 17.21 | 99.89 | 0.93 | 1.67 | 97.41 | |||
均一 | 1.04 | 49.23 | 49.74 | ||||||||||||
条纹 | 68.68 | 19.17 | 0.2 | 11.25 | 0.17 | 99.47 | 1.66 | 96.71 | 1.64 | ||||||
长石4# | 63.85 | 17.53 | 0.2 | 0.02 | 0.08 | 0.61 | 16.99 | 99.28 | 0.39 | 3.1 | 96.51 | ||||
均一 | 1.01 | 48.91 | 50.08 | ||||||||||||
条纹 | 68.9 | 0.03 | 18.79 | 0.17 | 0.09 | 11.66 | 0.1 | 99.74 | 0.73 | 98.33 | 0.94 | ||||
长石5# | 64.64 | 17.66 | 0.14 | 0.03 | 0.53 | 17.54 | 100.54 | 0 | 2.63 | 97.37 | |||||
均一 | 0.36 | 49.47 | 50.18 | ||||||||||||
环带 长石 | 65.77 | 19.23 | 6.4 | 8.42 | 99.82 | 0 | 40.45 | 59.55 | |||||||
64.89 | 19.05 | 0.7 | 7.02 | 7.75 | 99.41 | 4.12 | 42.89 | 52.99 | |||||||
67.24 | 0.08 | 20.62 | 0.21 | 1.82 | 10.47 | 0.29 | 100.73 | 13.97 | 83.44 | 2.59 |
Table 1 Results of electron probe microscopic analysis of aegirite-bearing syenite porphyries and list of related parameters
岩石 类型 | 矿物 类型 | wB/% | An | Ab | Or | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
SiO2 | TiO2 | Al2O3 | FeO | MnO | MgO | CaO | Na2O | K2O | P2O5 | Total | |||||
含霓石 斑状 正长岩 | 条纹 | 68.85 | 19 | 0.33 | 11.22 | 99.4 | 2.76 | 97.24 | 0 | ||||||
长石1# | 64.75 | 17.66 | 0.12 | 0.02 | 0.5 | 17.36 | 100.41 | 0 | 2.51 | 97.49 | |||||
均一 | 1.35 | 48.87 | 49.78 | ||||||||||||
条纹 | 68.84 | 19.42 | 0.14 | 0.58 | 11.43 | 0.05 | 100.46 | 4.64 | 94.9 | 0.46 | |||||
长石2# | 63.8 | 0.15 | 17.51 | 0.19 | 0.05 | 0.4 | 17.46 | 99.56 | 0.24 | 2 | 97.76 | ||||
均一 | 2.39 | 47.47 | 50.14 | ||||||||||||
条纹 | 68.79 | 18.6 | 0.25 | 0.14 | 11.57 | 99.35 | 1.15 | 98.85 | 0 | ||||||
长石3# | 64.38 | 0.08 | 17.6 | 0.08 | 0.02 | 0.19 | 0.33 | 17.21 | 99.89 | 0.93 | 1.67 | 97.41 | |||
均一 | 1.04 | 49.23 | 49.74 | ||||||||||||
条纹 | 68.68 | 19.17 | 0.2 | 11.25 | 0.17 | 99.47 | 1.66 | 96.71 | 1.64 | ||||||
长石4# | 63.85 | 17.53 | 0.2 | 0.02 | 0.08 | 0.61 | 16.99 | 99.28 | 0.39 | 3.1 | 96.51 | ||||
均一 | 1.01 | 48.91 | 50.08 | ||||||||||||
条纹 | 68.9 | 0.03 | 18.79 | 0.17 | 0.09 | 11.66 | 0.1 | 99.74 | 0.73 | 98.33 | 0.94 | ||||
长石5# | 64.64 | 17.66 | 0.14 | 0.03 | 0.53 | 17.54 | 100.54 | 0 | 2.63 | 97.37 | |||||
均一 | 0.36 | 49.47 | 50.18 | ||||||||||||
环带 长石 | 65.77 | 19.23 | 6.4 | 8.42 | 99.82 | 0 | 40.45 | 59.55 | |||||||
64.89 | 19.05 | 0.7 | 7.02 | 7.75 | 99.41 | 4.12 | 42.89 | 52.99 | |||||||
67.24 | 0.08 | 20.62 | 0.21 | 1.82 | 10.47 | 0.29 | 100.73 | 13.97 | 83.44 | 2.59 |
样品 名称 | 样品 编号 | wB/% | ||||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
SiO2 | Al2O3 | TiO2 | Fe2O3 | FeO | CaO | MgO | K2O | Na2O | MnO | P2O5 | LOI | Total | ||||||||||||||||||||||||
粗粒 正长岩 | HS-01 | 62.92 | 16.99 | 0.5 | 3.45 | 0.93 | 1.26 | 0.62 | 5.88 | 6.22 | 0.08 | 0.21 | 0.73 | 99.79 | ||||||||||||||||||||||
HS-04 | 64.91 | 17.79 | 0.34 | 2.53 | 0.31 | 0.38 | 0.24 | 6.18 | 6.36 | 0.03 | 0.1 | 0.67 | 99.84 | |||||||||||||||||||||||
含霓石 斑状 正长岩 | JY-01 | 63.29 | 17.31 | 0.4 | 2.77 | 0.86 | 1.43 | 0.86 | 5.71 | 6.21 | 0.09 | 0.17 | 0.68 | 99.78 | ||||||||||||||||||||||
JY-13 | 62.98 | 17.06 | 0.38 | 2.34 | 1.03 | 1.93 | 1.01 | 5.76 | 6.16 | 0.07 | 0.15 | 0.96 | 99.83 | |||||||||||||||||||||||
JY-14 | 63.65 | 18.08 | 0.42 | 3.06 | 0.14 | 0.67 | 0.41 | 6.03 | 5.96 | 0.07 | 0.18 | 1.11 | 99.78 | |||||||||||||||||||||||
样品 名称 | 样品 编号 | wB/10-6 | ||||||||||||||||||||||||||||||||||
Li | Be | Sc | V | Cr | Co | Ni | Cu | Zn | Ga | Ge | Rb | Sr | ||||||||||||||||||||||||
粗粒 正长岩 | HS-07 | 39.5 | 7.83 | 12.9 | 151 | 21.8 | 6.8 | 7.51 | 89.2 | 105 | 24.2 | 1.41 | 139 | 745 | ||||||||||||||||||||||
HS-10 | 35.6 | 5.35 | 10.8 | 134 | 26.4 | 3.77 | 7.74 | 282 | 97.2 | 27.6 | 1.28 | 134 | 346 | |||||||||||||||||||||||
含霓石 斑状 正长岩 | JY-01 | 37.8 | 8.05 | 11.2 | 85.6 | 26.8 | 6.79 | 9.38 | 42.9 | 70.7 | 21.3 | 1.18 | 148 | 886 | ||||||||||||||||||||||
JY-13 | 60.7 | 4.62 | 11 | 82.4 | 25.9 | 6.73 | 9.25 | 38.8 | 71.8 | 20.9 | 1.21 | 175 | 715 | |||||||||||||||||||||||
JY-14 | 30.8 | 5.56 | 12.1 | 99.2 | 32.7 | 4.18 | 11 | 39.5 | 67.3 | 22.3 | 1.34 | 167 | 729 | |||||||||||||||||||||||
样品 名称 | 样品 编号 | wB/10-6 | ||||||||||||||||||||||||||||||||||
Y | Zr | Nb | Mo | Cs | Ba | La | Ce | Pr | Nd | Sm | Eu | Gd | ||||||||||||||||||||||||
粗粒 正长岩 | HS-13 | 14.3 | 307 | 19.8 | 1.63 | 1.46 | 614 | 30 | 50.6 | 5.71 | 19.3 | 3.73 | 1 | 2.95 | ||||||||||||||||||||||
HS-16 | 10.2 | 310 | 13 | 1.82 | 0.39 | 377 | 23.1 | 37.3 | 4.06 | 13.4 | 2.53 | 0.78 | 2.05 | |||||||||||||||||||||||
含霓石 斑状 正长岩 | JY-01 | 13.4 | 225 | 11.5 | 1.45 | 2.75 | 736 | 25.9 | 42.6 | 4.72 | 16.5 | 3.03 | 0.94 | 2.55 | ||||||||||||||||||||||
JY-13 | 13.7 | 178 | 10.2 | 8.62 | 3.4 | 685 | 29.9 | 44.6 | 4.74 | 16.2 | 2.98 | 0.91 | 2.54 | |||||||||||||||||||||||
JY-14 | 10.8 | 224 | 12.3 | 1.97 | 2.58 | 801 | 24.5 | 43.2 | 4.37 | 15.3 | 2.79 | 0.85 | 2.18 | |||||||||||||||||||||||
样品 名称 | 样品 编号 | wB/10-6 | ||||||||||||||||||||||||||||||||||
Tb | Dy | Ho | Er | Tm | Yb | Lu | Hf | Ta | W | Tl | Pb | Bi | ||||||||||||||||||||||||
粗粒 正长岩 | HS-19 | 0.46 | 2.29 | 0.45 | 1.37 | 0.2 | 1.42 | 0.21 | 6.81 | 1.34 | 2.63 | 0.34 | 50 | 0.13 | ||||||||||||||||||||||
HS-22 | 0.32 | 1.56 | 0.31 | 0.96 | 0.15 | 1.06 | 0.17 | 6.48 | 0.84 | 2.22 | 0.22 | 14.2 | 0.16 | |||||||||||||||||||||||
含霓石 斑状 正长岩 | JY-01 | 0.39 | 1.93 | 0.38 | 1.15 | 0.17 | 1.15 | 0.18 | 4.39 | 2.38 | 1.49 | 0.56 | 25.2 | 0.13 | ||||||||||||||||||||||
JY-13 | 0.39 | 1.93 | 0.38 | 1.16 | 0.17 | 1.15 | 0.17 | 3.31 | 1.91 | 4.35 | 0.59 | 38.8 | 0.23 | |||||||||||||||||||||||
JY-14 | 0.32 | 1.58 | 0.31 | 0.96 | 0.14 | 0.97 | 0.15 | 4.47 | 0.48 | 7.49 | 0.56 | 41.1 | 0.16 | |||||||||||||||||||||||
样品 名称 | 样品 编号 | wB/10-6 | Mg# | A/CNK | w(全碱) /% | w(∑REE) /10-6 | LREE/HREE | (La/ Yb)N | (Gd/ Yb)N | δEu | ||||||||||||||||||||||||||
Th | U | |||||||||||||||||||||||||||||||||||
粗粒 正长岩 | HS-25 | 10.6 | 3.16 | 21.42 | 0.96 | 12.19 | 119.68 | 11.82 | 14.28 | 1.68 | 0.93 | |||||||||||||||||||||||||
HS-28 | 6.29 | 2.09 | 14.02 | 1.02 | 12.64 | 87.74 | 12.36 | 14.65 | 1.56 | 1.05 | ||||||||||||||||||||||||||
含霓石 斑状 正长岩 | JY-01 | 7.87 | 2.07 | 31.21 | 0.98 | 12.02 | 101.58 | 11.88 | 15.13 | 1.78 | 1.03 | |||||||||||||||||||||||||
JY-13 | 5.48 | 1.69 | 36.47 | 0.94 | 12.04 | 107.22 | 12.59 | 17.48 | 1.78 | 1.01 | ||||||||||||||||||||||||||
JY-14 | 8.22 | 1.81 | 20.24 | 1.07 | 12.15 | 97.6 | 13.8 | 17.12 | 1.82 | 1.05 |
Table 2 Results of major and trace elemental analysis of the Hongshan alkaline complex
样品 名称 | 样品 编号 | wB/% | ||||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
SiO2 | Al2O3 | TiO2 | Fe2O3 | FeO | CaO | MgO | K2O | Na2O | MnO | P2O5 | LOI | Total | ||||||||||||||||||||||||
粗粒 正长岩 | HS-01 | 62.92 | 16.99 | 0.5 | 3.45 | 0.93 | 1.26 | 0.62 | 5.88 | 6.22 | 0.08 | 0.21 | 0.73 | 99.79 | ||||||||||||||||||||||
HS-04 | 64.91 | 17.79 | 0.34 | 2.53 | 0.31 | 0.38 | 0.24 | 6.18 | 6.36 | 0.03 | 0.1 | 0.67 | 99.84 | |||||||||||||||||||||||
含霓石 斑状 正长岩 | JY-01 | 63.29 | 17.31 | 0.4 | 2.77 | 0.86 | 1.43 | 0.86 | 5.71 | 6.21 | 0.09 | 0.17 | 0.68 | 99.78 | ||||||||||||||||||||||
JY-13 | 62.98 | 17.06 | 0.38 | 2.34 | 1.03 | 1.93 | 1.01 | 5.76 | 6.16 | 0.07 | 0.15 | 0.96 | 99.83 | |||||||||||||||||||||||
JY-14 | 63.65 | 18.08 | 0.42 | 3.06 | 0.14 | 0.67 | 0.41 | 6.03 | 5.96 | 0.07 | 0.18 | 1.11 | 99.78 | |||||||||||||||||||||||
样品 名称 | 样品 编号 | wB/10-6 | ||||||||||||||||||||||||||||||||||
Li | Be | Sc | V | Cr | Co | Ni | Cu | Zn | Ga | Ge | Rb | Sr | ||||||||||||||||||||||||
粗粒 正长岩 | HS-07 | 39.5 | 7.83 | 12.9 | 151 | 21.8 | 6.8 | 7.51 | 89.2 | 105 | 24.2 | 1.41 | 139 | 745 | ||||||||||||||||||||||
HS-10 | 35.6 | 5.35 | 10.8 | 134 | 26.4 | 3.77 | 7.74 | 282 | 97.2 | 27.6 | 1.28 | 134 | 346 | |||||||||||||||||||||||
含霓石 斑状 正长岩 | JY-01 | 37.8 | 8.05 | 11.2 | 85.6 | 26.8 | 6.79 | 9.38 | 42.9 | 70.7 | 21.3 | 1.18 | 148 | 886 | ||||||||||||||||||||||
JY-13 | 60.7 | 4.62 | 11 | 82.4 | 25.9 | 6.73 | 9.25 | 38.8 | 71.8 | 20.9 | 1.21 | 175 | 715 | |||||||||||||||||||||||
JY-14 | 30.8 | 5.56 | 12.1 | 99.2 | 32.7 | 4.18 | 11 | 39.5 | 67.3 | 22.3 | 1.34 | 167 | 729 | |||||||||||||||||||||||
样品 名称 | 样品 编号 | wB/10-6 | ||||||||||||||||||||||||||||||||||
Y | Zr | Nb | Mo | Cs | Ba | La | Ce | Pr | Nd | Sm | Eu | Gd | ||||||||||||||||||||||||
粗粒 正长岩 | HS-13 | 14.3 | 307 | 19.8 | 1.63 | 1.46 | 614 | 30 | 50.6 | 5.71 | 19.3 | 3.73 | 1 | 2.95 | ||||||||||||||||||||||
HS-16 | 10.2 | 310 | 13 | 1.82 | 0.39 | 377 | 23.1 | 37.3 | 4.06 | 13.4 | 2.53 | 0.78 | 2.05 | |||||||||||||||||||||||
含霓石 斑状 正长岩 | JY-01 | 13.4 | 225 | 11.5 | 1.45 | 2.75 | 736 | 25.9 | 42.6 | 4.72 | 16.5 | 3.03 | 0.94 | 2.55 | ||||||||||||||||||||||
JY-13 | 13.7 | 178 | 10.2 | 8.62 | 3.4 | 685 | 29.9 | 44.6 | 4.74 | 16.2 | 2.98 | 0.91 | 2.54 | |||||||||||||||||||||||
JY-14 | 10.8 | 224 | 12.3 | 1.97 | 2.58 | 801 | 24.5 | 43.2 | 4.37 | 15.3 | 2.79 | 0.85 | 2.18 | |||||||||||||||||||||||
样品 名称 | 样品 编号 | wB/10-6 | ||||||||||||||||||||||||||||||||||
Tb | Dy | Ho | Er | Tm | Yb | Lu | Hf | Ta | W | Tl | Pb | Bi | ||||||||||||||||||||||||
粗粒 正长岩 | HS-19 | 0.46 | 2.29 | 0.45 | 1.37 | 0.2 | 1.42 | 0.21 | 6.81 | 1.34 | 2.63 | 0.34 | 50 | 0.13 | ||||||||||||||||||||||
HS-22 | 0.32 | 1.56 | 0.31 | 0.96 | 0.15 | 1.06 | 0.17 | 6.48 | 0.84 | 2.22 | 0.22 | 14.2 | 0.16 | |||||||||||||||||||||||
含霓石 斑状 正长岩 | JY-01 | 0.39 | 1.93 | 0.38 | 1.15 | 0.17 | 1.15 | 0.18 | 4.39 | 2.38 | 1.49 | 0.56 | 25.2 | 0.13 | ||||||||||||||||||||||
JY-13 | 0.39 | 1.93 | 0.38 | 1.16 | 0.17 | 1.15 | 0.17 | 3.31 | 1.91 | 4.35 | 0.59 | 38.8 | 0.23 | |||||||||||||||||||||||
JY-14 | 0.32 | 1.58 | 0.31 | 0.96 | 0.14 | 0.97 | 0.15 | 4.47 | 0.48 | 7.49 | 0.56 | 41.1 | 0.16 | |||||||||||||||||||||||
样品 名称 | 样品 编号 | wB/10-6 | Mg# | A/CNK | w(全碱) /% | w(∑REE) /10-6 | LREE/HREE | (La/ Yb)N | (Gd/ Yb)N | δEu | ||||||||||||||||||||||||||
Th | U | |||||||||||||||||||||||||||||||||||
粗粒 正长岩 | HS-25 | 10.6 | 3.16 | 21.42 | 0.96 | 12.19 | 119.68 | 11.82 | 14.28 | 1.68 | 0.93 | |||||||||||||||||||||||||
HS-28 | 6.29 | 2.09 | 14.02 | 1.02 | 12.64 | 87.74 | 12.36 | 14.65 | 1.56 | 1.05 | ||||||||||||||||||||||||||
含霓石 斑状 正长岩 | JY-01 | 7.87 | 2.07 | 31.21 | 0.98 | 12.02 | 101.58 | 11.88 | 15.13 | 1.78 | 1.03 | |||||||||||||||||||||||||
JY-13 | 5.48 | 1.69 | 36.47 | 0.94 | 12.04 | 107.22 | 12.59 | 17.48 | 1.78 | 1.01 | ||||||||||||||||||||||||||
JY-14 | 8.22 | 1.81 | 20.24 | 1.07 | 12.15 | 97.6 | 13.8 | 17.12 | 1.82 | 1.05 |
Fig.7 Chondrite-normalized REE patterns of the Hongshan alkaline complex. Normalized chondrite data adapted from [29]. Previous data adapted from [11-12,26-27].
Fig.8 Primitive mantle-normalized spider diagram of the Hongshan alkaline complex (adapted from [37]). Normalized primitive mantle data adapted from [35,36]. Previous data adapted from [11-12,26-27].
分析 点号 | wB/10-6 | Th/U | 同位素比值 | 年龄/Ma | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Th | U | 207Pb/235U | 1σ | 206Pb/238U | 1σ | 207Pb/235U | 1σ | 206Pb/238U | 1σ | ||
JY2-01_02 | 15 843 | 10 127 | 1.52 | 0.235 1 | 0.019 1 | 0.019 2 | 0.000 3 | 214.4 | 15.7 | 122.5 | 1.7 |
JY2-01_03 | 12 715 | 6 775 | 1.92 | 0.138 7 | 0.004 5 | 0.018 3 | 0.000 2 | 131.9 | 4.0 | 117.0 | 1.3 |
JY2-01_04 | 18 789 | 9 821 | 1.93 | 0.137 5 | 0.003 1 | 0.017 9 | 0.000 2 | 130.8 | 2.8 | 114.5 | 1.0 |
JY2-01_05 | 20 921 | 10 958 | 1.88 | 0.144 1 | 0.003 9 | 0.018 9 | 0.000 2 | 136.7 | 3.5 | 120.6 | 1.6 |
JY2-01_06 | 13 218 | 5 572 | 2.42 | 0.167 1 | 0.004 7 | 0.020 8 | 0.000 3 | 156.9 | 4.1 | 132.7 | 1.7 |
JY2-01_07 | 14 445 | 5 974 | 2.32 | 0.139 3 | 0.004 1 | 0.019 7 | 0.000 3 | 132.4 | 3.7 | 126.0 | 1.6 |
JY2-01_10 | 11 684 | 5 363 | 2.18 | 0.131 | 0.004 2 | 0.019 6 | 0.000 3 | 125.0 | 3.8 | 125.2 | 1.8 |
JY2-01_11 | 12 721 | 7 232 | 1.79 | 0.353 5 | 0.009 6 | 0.020 9 | 0.000 3 | 307.4 | 7.2 | 133.3 | 1.8 |
JY2-01_12 | 12 397 | 8 239 | 1.53 | 0.145 2 | 0.004 5 | 0.017 | 0.000 2 | 137.7 | 4.0 | 108.8 | 1.1 |
JY2-01_14 | 73 653 | 33 306 | 2.21 | 0.151 4 | 0.003 7 | 0.018 4 | 0.000 2 | 143.2 | 3.3 | 117.6 | 1.0 |
JY2-01_16 | 20 673 | 8 438 | 2.46 | 0.145 2 | 0.005 8 | 0.017 8 | 0.000 2 | 137.6 | 5.2 | 113.6 | 1.1 |
JY2-01_17 | 15 343 | 7 840 | 1.95 | 0.255 7 | 0.013 5 | 0.018 8 | 0.000 3 | 231.2 | 10.9 | 120.3 | 1.8 |
JY2-01_18 | 17 952 | 5 566 | 3.23 | 0.214 8 | 0.006 2 | 0.020 8 | 0.000 3 | 197.5 | 5.2 | 133.0 | 1.6 |
JY2-01_19 | 8 022 | 3 731 | 2.11 | 0.131 9 | 0.004 1 | 0.020 3 | 0.000 2 | 125.8 | 3.7 | 129.4 | 1.2 |
Table 3 List of LA-ICP-MS U-Pb zircon ages of Hongshan aegirite-bearing syenite porphyries
分析 点号 | wB/10-6 | Th/U | 同位素比值 | 年龄/Ma | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Th | U | 207Pb/235U | 1σ | 206Pb/238U | 1σ | 207Pb/235U | 1σ | 206Pb/238U | 1σ | ||
JY2-01_02 | 15 843 | 10 127 | 1.52 | 0.235 1 | 0.019 1 | 0.019 2 | 0.000 3 | 214.4 | 15.7 | 122.5 | 1.7 |
JY2-01_03 | 12 715 | 6 775 | 1.92 | 0.138 7 | 0.004 5 | 0.018 3 | 0.000 2 | 131.9 | 4.0 | 117.0 | 1.3 |
JY2-01_04 | 18 789 | 9 821 | 1.93 | 0.137 5 | 0.003 1 | 0.017 9 | 0.000 2 | 130.8 | 2.8 | 114.5 | 1.0 |
JY2-01_05 | 20 921 | 10 958 | 1.88 | 0.144 1 | 0.003 9 | 0.018 9 | 0.000 2 | 136.7 | 3.5 | 120.6 | 1.6 |
JY2-01_06 | 13 218 | 5 572 | 2.42 | 0.167 1 | 0.004 7 | 0.020 8 | 0.000 3 | 156.9 | 4.1 | 132.7 | 1.7 |
JY2-01_07 | 14 445 | 5 974 | 2.32 | 0.139 3 | 0.004 1 | 0.019 7 | 0.000 3 | 132.4 | 3.7 | 126.0 | 1.6 |
JY2-01_10 | 11 684 | 5 363 | 2.18 | 0.131 | 0.004 2 | 0.019 6 | 0.000 3 | 125.0 | 3.8 | 125.2 | 1.8 |
JY2-01_11 | 12 721 | 7 232 | 1.79 | 0.353 5 | 0.009 6 | 0.020 9 | 0.000 3 | 307.4 | 7.2 | 133.3 | 1.8 |
JY2-01_12 | 12 397 | 8 239 | 1.53 | 0.145 2 | 0.004 5 | 0.017 | 0.000 2 | 137.7 | 4.0 | 108.8 | 1.1 |
JY2-01_14 | 73 653 | 33 306 | 2.21 | 0.151 4 | 0.003 7 | 0.018 4 | 0.000 2 | 143.2 | 3.3 | 117.6 | 1.0 |
JY2-01_16 | 20 673 | 8 438 | 2.46 | 0.145 2 | 0.005 8 | 0.017 8 | 0.000 2 | 137.6 | 5.2 | 113.6 | 1.1 |
JY2-01_17 | 15 343 | 7 840 | 1.95 | 0.255 7 | 0.013 5 | 0.018 8 | 0.000 3 | 231.2 | 10.9 | 120.3 | 1.8 |
JY2-01_18 | 17 952 | 5 566 | 3.23 | 0.214 8 | 0.006 2 | 0.020 8 | 0.000 3 | 197.5 | 5.2 | 133.0 | 1.6 |
JY2-01_19 | 8 022 | 3 731 | 2.11 | 0.131 9 | 0.004 1 | 0.020 3 | 0.000 2 | 125.8 | 3.7 | 129.4 | 1.2 |
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