Earth Science Frontiers ›› 2020, Vol. 27 ›› Issue (2): 254-275.DOI: 10.13745/j.esf.sf.2020.3.21
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GU Xuexiang1,2(), ZHANG Yongmei1,2, GE Zhanlin3, CHEN Weizhi4, XU Jingchi1, HUANG Gang5, TAO Wei5
Received:
2019-12-18
Revised:
2020-02-22
Online:
2020-03-25
Published:
2020-03-25
CLC Number:
GU Xuexiang, ZHANG Yongmei, GE Zhanlin, CHEN Weizhi, XU Jingchi, HUANG Gang, TAO Wei. The orogenic Au mineralization system and regional tectonic evolution in the Kalamaili area, East Junggar, Xinjiang[J]. Earth Science Frontiers, 2020, 27(2): 254-275.
Fig.1 Maps showing major tectonic units of North Xinjiang (a), plate tectonic pattern (b) and regional geology (c) in Kalamaili area. Modified after [1-2].
矿床 | 样品号 | δ18O石英/‰ | δ | δ18 | Th/℃ | 数据来源 |
---|---|---|---|---|---|---|
金水泉 | ZK2301-8 | 18.9 | -81 | 11.4 | 284 | 本文 |
JSQZK802-25 | 21.8 | -81 | 14.3 | 284 | ||
JSQTC81501-6 | 16.9 | -96 | 9.4 | 284 | ||
L1565 | 19.2 | -62 | 7.2 | 195 | 文献[ | |
L1566 | 18.7 | -64 | 6.5 | 193 | ||
双泉 | SQPM2-20 | 21.0 | -94 | 9.6 | 205 | 本文 |
SQD-62 | 17.5 | -97 | 5.9 | 201 | 文献[ | |
SQD-31 | 15.5 | -98 | 4.2 | 207 | ||
南明水 | NMS4-29 | 14.1 | -95 | 6.0 | 269 | 本文 |
NMS4-30 | 19.0 | -92 | 10.9 | 269 | ||
NMS7-06 | 14.8 | -82 | 6.0 | 253 | ||
NMS7-07 | 19.7 | -99 | 10.9 | 253 | ||
L1504 | 18.1 | -88 | 11.6 | 312 | 文献[ | |
L1598 | 16.9 | -78 | 4.0 | 183 | ||
L1506 | 11.6 | -80 | 2.3 | 243 | ||
SQD-84 | 13.3 | -99 | 4.6 | 256 | 文献[ | |
6N-53 | 13.9 | -63 | 5.2 | 255 | 文献[ | |
苏吉泉东 | SJQDPM1-25 | 17.0 | -97 | 10.5 | 310 | 本文 |
SJQDPM1-26 | 17.2 | -95 | 10.7 | 310 |
Table 2 Hydrogen and oxygen isotopic composition of quartz from typical Au deposits in the study area
矿床 | 样品号 | δ18O石英/‰ | δ | δ18 | Th/℃ | 数据来源 |
---|---|---|---|---|---|---|
金水泉 | ZK2301-8 | 18.9 | -81 | 11.4 | 284 | 本文 |
JSQZK802-25 | 21.8 | -81 | 14.3 | 284 | ||
JSQTC81501-6 | 16.9 | -96 | 9.4 | 284 | ||
L1565 | 19.2 | -62 | 7.2 | 195 | 文献[ | |
L1566 | 18.7 | -64 | 6.5 | 193 | ||
双泉 | SQPM2-20 | 21.0 | -94 | 9.6 | 205 | 本文 |
SQD-62 | 17.5 | -97 | 5.9 | 201 | 文献[ | |
SQD-31 | 15.5 | -98 | 4.2 | 207 | ||
南明水 | NMS4-29 | 14.1 | -95 | 6.0 | 269 | 本文 |
NMS4-30 | 19.0 | -92 | 10.9 | 269 | ||
NMS7-06 | 14.8 | -82 | 6.0 | 253 | ||
NMS7-07 | 19.7 | -99 | 10.9 | 253 | ||
L1504 | 18.1 | -88 | 11.6 | 312 | 文献[ | |
L1598 | 16.9 | -78 | 4.0 | 183 | ||
L1506 | 11.6 | -80 | 2.3 | 243 | ||
SQD-84 | 13.3 | -99 | 4.6 | 256 | 文献[ | |
6N-53 | 13.9 | -63 | 5.2 | 255 | 文献[ | |
苏吉泉东 | SJQDPM1-25 | 17.0 | -97 | 10.5 | 310 | 本文 |
SJQDPM1-26 | 17.2 | -95 | 10.7 | 310 |
金矿床 | 样品号 | 矿物 | δ34S/‰ | 数据来源 | |||
---|---|---|---|---|---|---|---|
金水泉 | E17ZK5504-7S+Pb | 黄铁矿 | 3.0 | 本文 | |||
JSQZK802-S+Pb | 黄铁矿 | 1.1 | |||||
E17ZK5504-7S+Pb | 毒砂 | 3.9 | |||||
JSQZK802-S+Pb | 毒砂 | 0.5 | |||||
双泉 | E17ZK0802-45S+Pb | 黄铁矿 | 3.5 | 本文 | |||
ZK2302-S+Pb | 毒砂 | 7.9 | |||||
E17ZK0802-45S+Pb | 毒砂 | 3.6 | |||||
SQD31 | 黄铁矿 | 8.4 | 文献[ | ||||
SQD60 | 黄铁矿 | 10.7 | |||||
SQD64 | 黄铁矿 | 3.8 | |||||
南明水 | E17NMS7PM2-S+Pb | 黄铁矿 | 1.8 | 本文 | |||
E17NMS4-S+Pb | 黄铁矿 | 3.7 | |||||
E17NMS4-S+Pb | 毒砂 | 4.0 | |||||
SQD84 | 黄铁矿 | 3.5 | 文献[ | ||||
柳树泉 | E17LSQ-JK-6S+Pb | 黄铁矿 | 2.2 | 本文 | |||
E17LSQ-JK-6S+Pb | 毒砂 | 3.5 | |||||
SQD95 | 毒砂 | 1.6 | 文献[ |
Table 3 Sulfur isotopic composition of sulfides from typical Au deposits in the study area
金矿床 | 样品号 | 矿物 | δ34S/‰ | 数据来源 | |||
---|---|---|---|---|---|---|---|
金水泉 | E17ZK5504-7S+Pb | 黄铁矿 | 3.0 | 本文 | |||
JSQZK802-S+Pb | 黄铁矿 | 1.1 | |||||
E17ZK5504-7S+Pb | 毒砂 | 3.9 | |||||
JSQZK802-S+Pb | 毒砂 | 0.5 | |||||
双泉 | E17ZK0802-45S+Pb | 黄铁矿 | 3.5 | 本文 | |||
ZK2302-S+Pb | 毒砂 | 7.9 | |||||
E17ZK0802-45S+Pb | 毒砂 | 3.6 | |||||
SQD31 | 黄铁矿 | 8.4 | 文献[ | ||||
SQD60 | 黄铁矿 | 10.7 | |||||
SQD64 | 黄铁矿 | 3.8 | |||||
南明水 | E17NMS7PM2-S+Pb | 黄铁矿 | 1.8 | 本文 | |||
E17NMS4-S+Pb | 黄铁矿 | 3.7 | |||||
E17NMS4-S+Pb | 毒砂 | 4.0 | |||||
SQD84 | 黄铁矿 | 3.5 | 文献[ | ||||
柳树泉 | E17LSQ-JK-6S+Pb | 黄铁矿 | 2.2 | 本文 | |||
E17LSQ-JK-6S+Pb | 毒砂 | 3.5 | |||||
SQD95 | 毒砂 | 1.6 | 文献[ |
金矿床 | 样品号 | 矿物 | 206Pb/204Pb | 207Pb/204Pb | 208Pb/204Pb | μ | ω | Th/U | Δβ | Δγ |
---|---|---|---|---|---|---|---|---|---|---|
金水泉 | E17ZK5504-7 | 毒砂 | 18.005 | 15.491 | 37.806 | 9.29 | 35.10 | 3.66 | 11.68 | 23.04 |
E17ZK5504-7 | 黄铁矿 | 18.002 | 15.486 | 37.754 | 9.28 | 34.85 | 3.63 | 11.34 | 21.46 | |
JSQZK802 | 毒砂 | 17.998 | 15.498 | 37.815 | 9.31 | 35.24 | 3.66 | 12.21 | 23.88 | |
JSQZK802 | 黄铁矿 | 17.974 | 15.484 | 37.774 | 9.28 | 35.07 | 3.66 | 11.30 | 22.80 | |
双泉 | E17ZK0802-45 | 黄铁矿 | 18.240 | 15.516 | 38.028 | 9.32 | 34.99 | 3.63 | 12.64 | 22.84 |
ZK2302 | 毒砂 | 18.144 | 15.504 | 37.919 | 9.30 | 34.94 | 3.64 | 12.11 | 22.33 | |
E17ZK0802-45 | 毒砂 | 18.350 | 15.521 | 38.122 | 9.32 | 34.84 | 3.62 | 12.65 | 22.12 | |
南明水 | E17NMS4 | 黄铁矿 | 18.008 | 15.487 | 37.767 | 9.29 | 34.88 | 3.63 | 11.39 | 21.67 |
E17NMS4 | 毒砂 | 17.890 | 15.479 | 37.763 | 9.28 | 35.44 | 3.70 | 11.27 | 24.94 | |
E17NMS7PM2 | 黄铁矿 | 17.570 | 15.497 | 37.917 | 9.37 | 38.19 | 3.94 | 14.00 | 40.49 | |
柳树泉 | E17LSQ-JK-6 | 黄铁矿 | 17.867 | 15.473 | 37.697 | 9.28 | 35.23 | 3.67 | 10.93 | 23.57 |
E17LSQ-JK-6 | 毒砂 | 17.783 | 15.492 | 37.819 | 9.32 | 36.42 | 3.78 | 12.65 | 30.61 |
Table 4 Lead isotopic composition and feature parameters of sulfides from Au deposits in the study area
金矿床 | 样品号 | 矿物 | 206Pb/204Pb | 207Pb/204Pb | 208Pb/204Pb | μ | ω | Th/U | Δβ | Δγ |
---|---|---|---|---|---|---|---|---|---|---|
金水泉 | E17ZK5504-7 | 毒砂 | 18.005 | 15.491 | 37.806 | 9.29 | 35.10 | 3.66 | 11.68 | 23.04 |
E17ZK5504-7 | 黄铁矿 | 18.002 | 15.486 | 37.754 | 9.28 | 34.85 | 3.63 | 11.34 | 21.46 | |
JSQZK802 | 毒砂 | 17.998 | 15.498 | 37.815 | 9.31 | 35.24 | 3.66 | 12.21 | 23.88 | |
JSQZK802 | 黄铁矿 | 17.974 | 15.484 | 37.774 | 9.28 | 35.07 | 3.66 | 11.30 | 22.80 | |
双泉 | E17ZK0802-45 | 黄铁矿 | 18.240 | 15.516 | 38.028 | 9.32 | 34.99 | 3.63 | 12.64 | 22.84 |
ZK2302 | 毒砂 | 18.144 | 15.504 | 37.919 | 9.30 | 34.94 | 3.64 | 12.11 | 22.33 | |
E17ZK0802-45 | 毒砂 | 18.350 | 15.521 | 38.122 | 9.32 | 34.84 | 3.62 | 12.65 | 22.12 | |
南明水 | E17NMS4 | 黄铁矿 | 18.008 | 15.487 | 37.767 | 9.29 | 34.88 | 3.63 | 11.39 | 21.67 |
E17NMS4 | 毒砂 | 17.890 | 15.479 | 37.763 | 9.28 | 35.44 | 3.70 | 11.27 | 24.94 | |
E17NMS7PM2 | 黄铁矿 | 17.570 | 15.497 | 37.917 | 9.37 | 38.19 | 3.94 | 14.00 | 40.49 | |
柳树泉 | E17LSQ-JK-6 | 黄铁矿 | 17.867 | 15.473 | 37.697 | 9.28 | 35.23 | 3.67 | 10.93 | 23.57 |
E17LSQ-JK-6 | 毒砂 | 17.783 | 15.492 | 37.819 | 9.32 | 36.42 | 3.78 | 12.65 | 30.61 |
Fig.11 CL images (a), U-Pb age concordia diagram (b) and weighted average age (c) of hydrothermal zircons from auriferous quartz veins in the Nanmingshui Au deposit
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