Geoscience ›› 2018, Vol. 32 ›› Issue (05): 902-912.DOI: 10.19657/j.geoscience.1000-8527.2018.05.04
• Petrology and Ore Deposits • Previous Articles Next Articles
XU Hao1,2(), ZHANG Chuang3, PANG Yaqing3, CAO Haojie4, LIU Jialin3, LIU Wenquan4
Received:
2018-04-03
Revised:
2018-06-30
Online:
2018-10-10
Published:
2018-11-04
CLC Number:
XU Hao, ZHANG Chuang, PANG Yaqing, CAO Haojie, LIU Jialin, LIU Wenquan. Characteristics of Ore-forming Fluids of the Changpai Uranium Deposit in Guangdong Province[J]. Geoscience, 2018, 32(05): 902-912.
成矿 期次 | 矿物 类型 | 包裹体 类型 | 测试 数目 | CO2包裹体 | 均一温度/℃ | 冰点/℃ | 盐度/% | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
初熔温度 /℃ | 笼形物消失 温度/℃ | 部分均一 温度/℃ | 范围 | 平均 | 范围 | 平均 | |||||||||
成 矿 前 | 石英 | 含CO2三相包裹体 | 18 | -61.9~-58.9 | 5.5~8.2 | 19.7~29.2 | 291~381 | 331 | 3.5~7.9 | 5.4 | |||||
富液相包裹体 | 10 | 291~372 | 335 | -2.6~-1.8 | 3.1~4.3 | 3.7 | |||||||||
富气相包裹体 | 2 | 320~378 | 345 | -2.5 | 4.2 | 4.2 | |||||||||
成 矿 期 | 萤石 | 富液相包裹体 | 15 | 91~294 | 205 | -5.0~-3.5 | 5.7~7.9 | 6.8 | |||||||
方解石 | 富液相包裹体 | 14 | 121~171 | 140 | -0.6~-0.2 | 0.4~1.1 | 0.7 | ||||||||
石英 | 富液相包裹体 | 84 | 115~295 | 195 | -6.5~-1.8 | 2.6~10.2 | 5.7 | ||||||||
富气相包裹体 | 6 | 222~249 | 234 | -4.4 | 7.0 | 7.0 | |||||||||
成矿后 | 方解石 | 富液相包裹体 | 8 | 146~220 | 188 | -2.7~-0.8 | 1.4~4.5 | 2.3 |
Table 1 Microthermometry results of fluid inclusions from the Changpai uranium deposit
成矿 期次 | 矿物 类型 | 包裹体 类型 | 测试 数目 | CO2包裹体 | 均一温度/℃ | 冰点/℃ | 盐度/% | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
初熔温度 /℃ | 笼形物消失 温度/℃ | 部分均一 温度/℃ | 范围 | 平均 | 范围 | 平均 | |||||||||
成 矿 前 | 石英 | 含CO2三相包裹体 | 18 | -61.9~-58.9 | 5.5~8.2 | 19.7~29.2 | 291~381 | 331 | 3.5~7.9 | 5.4 | |||||
富液相包裹体 | 10 | 291~372 | 335 | -2.6~-1.8 | 3.1~4.3 | 3.7 | |||||||||
富气相包裹体 | 2 | 320~378 | 345 | -2.5 | 4.2 | 4.2 | |||||||||
成 矿 期 | 萤石 | 富液相包裹体 | 15 | 91~294 | 205 | -5.0~-3.5 | 5.7~7.9 | 6.8 | |||||||
方解石 | 富液相包裹体 | 14 | 121~171 | 140 | -0.6~-0.2 | 0.4~1.1 | 0.7 | ||||||||
石英 | 富液相包裹体 | 84 | 115~295 | 195 | -6.5~-1.8 | 2.6~10.2 | 5.7 | ||||||||
富气相包裹体 | 6 | 222~249 | 234 | -4.4 | 7.0 | 7.0 | |||||||||
成矿后 | 方解石 | 富液相包裹体 | 8 | 146~220 | 188 | -2.7~-0.8 | 1.4~4.5 | 2.3 |
样品编号 | 成矿阶段 | 地区 | 岩性 | t/℃ | δD /‰ | δ18Oquartz/‰ | δ18Owater/‰ |
---|---|---|---|---|---|---|---|
ZN72 | 成矿前 | 长排 | 灰白色石英 | 270 | -51.0 | 9.2 | 1.1 |
ZN3-1 | 成矿前 | 塘洞 | 灰白色石英 | 270 | -73.9 | 10.5 | 2.4 |
ZN14 | 成矿前 | 棉花坑 | 灰白色石英 | 267 | -57.2 | 11.3 | 3.1 |
ZN33-1 | 成矿前 | 学塘坳 | 灰白色石英 | 270 | -104.4 | 14.3 | 6.4 |
ZN42-6 | 成矿前 | 长排 | 灰白色石英 | 270 | -85.2 | 11.5 | 3.4 |
-15029-1 | 成矿期 | 棉花坑 | 肉红色石英 | 208 | -77.9 | 8.7 | -2.5 |
5008-3 | 成矿期 | 棉花坑 | 肉红色石英 | 248 | -71.6 | 10.2 | 1.2 |
-10041-1 | 成矿期 | 棉花坑 | 肉红色石英 | 301 | -92.2 | 9.9 | 3.1 |
-10029-1 | 成矿期 | 棉花坑 | 肉红色石英 | 272 | -51.6 | 9.7 | 1.7 |
ZK4-3-2 | 成矿后 | 棉花坑 | 灰白色石英 | 170 | -77.9 | 12.3 | -3.7 |
ZK23-2-1 | 成矿后 | 棉花坑 | 浅灰白色石英 | 170 | -83.2 | 10.2 | -5.8 |
ZK23-3-7 | 成矿后 | 棉花坑 | 灰白色石英 | 170 | -76.8 | 11.2 | -4.8 |
ZN3 | 成矿后 | 塘洞 | 灰白色石英 | 217 | -84.2 | 8.0 | -2.7 |
ZN10 | 成矿后 | 城口 | 灰白色石英 | 163 | -73.4 | 7.1 | -5.9 |
04C-2 | 成矿后 | 棉花坑 | 灰白色石英 | 177 | -71.5 | 10.8 | -1.2 |
Table 2 Hydrogen and oxygen isotopic composition in the quartz from Changjiang uranium ore-field
样品编号 | 成矿阶段 | 地区 | 岩性 | t/℃ | δD /‰ | δ18Oquartz/‰ | δ18Owater/‰ |
---|---|---|---|---|---|---|---|
ZN72 | 成矿前 | 长排 | 灰白色石英 | 270 | -51.0 | 9.2 | 1.1 |
ZN3-1 | 成矿前 | 塘洞 | 灰白色石英 | 270 | -73.9 | 10.5 | 2.4 |
ZN14 | 成矿前 | 棉花坑 | 灰白色石英 | 267 | -57.2 | 11.3 | 3.1 |
ZN33-1 | 成矿前 | 学塘坳 | 灰白色石英 | 270 | -104.4 | 14.3 | 6.4 |
ZN42-6 | 成矿前 | 长排 | 灰白色石英 | 270 | -85.2 | 11.5 | 3.4 |
-15029-1 | 成矿期 | 棉花坑 | 肉红色石英 | 208 | -77.9 | 8.7 | -2.5 |
5008-3 | 成矿期 | 棉花坑 | 肉红色石英 | 248 | -71.6 | 10.2 | 1.2 |
-10041-1 | 成矿期 | 棉花坑 | 肉红色石英 | 301 | -92.2 | 9.9 | 3.1 |
-10029-1 | 成矿期 | 棉花坑 | 肉红色石英 | 272 | -51.6 | 9.7 | 1.7 |
ZK4-3-2 | 成矿后 | 棉花坑 | 灰白色石英 | 170 | -77.9 | 12.3 | -3.7 |
ZK23-2-1 | 成矿后 | 棉花坑 | 浅灰白色石英 | 170 | -83.2 | 10.2 | -5.8 |
ZK23-3-7 | 成矿后 | 棉花坑 | 灰白色石英 | 170 | -76.8 | 11.2 | -4.8 |
ZN3 | 成矿后 | 塘洞 | 灰白色石英 | 217 | -84.2 | 8.0 | -2.7 |
ZN10 | 成矿后 | 城口 | 灰白色石英 | 163 | -73.4 | 7.1 | -5.9 |
04C-2 | 成矿后 | 棉花坑 | 灰白色石英 | 177 | -71.5 | 10.8 | -1.2 |
样品编号 | 矿物 | δ13C PDB/ ‰ | δ18OPDB/ ‰ | δ18OSMOW/ ‰ |
---|---|---|---|---|
ZK4-4-1 | 成矿期烟灰色方解石 | -0.6 | -23.9 | 6.3 |
ZK11-2-2 | 成矿期烟灰色方解石 | -8.2 | -17.9 | 12.4 |
GZN201-2 | 成矿期烟灰色方解石 | -8.5 | -16.8 | 13.6 |
GZN203-4 | 成矿期烟灰色方解石 | -9.1 | -17.6 | 12.7 |
ZK4-3-11 | 成矿期烟灰色方解石 | -8.5 | -18.0 | 12.4 |
ZK4-4-2 | 成矿后灰白色方解石 | -10.3 | -16.8 | 13.6 |
ZK2-1-6 | 成矿后灰白色方解石 | -1.0 | -23.7 | 6.5 |
ZK14-1-5 | 成矿后灰白色方解石 | -9.7 | -14.8 | 15.7 |
ZN70-3 | 成矿后灰白色方解石 | -8.5 | -18.5 | 11.8 |
ZK4-3-10 | 成矿后灰白色方解石 | -11.9 | -16.1 | 14.3 |
ZK5-3-3 | 成矿后灰白色方解石 | -10.6 | -15.9 | 14.5 |
Table 3 Carbon and oxygen isotopic compositions of calcite in the Changpai uranium deposit
样品编号 | 矿物 | δ13C PDB/ ‰ | δ18OPDB/ ‰ | δ18OSMOW/ ‰ |
---|---|---|---|---|
ZK4-4-1 | 成矿期烟灰色方解石 | -0.6 | -23.9 | 6.3 |
ZK11-2-2 | 成矿期烟灰色方解石 | -8.2 | -17.9 | 12.4 |
GZN201-2 | 成矿期烟灰色方解石 | -8.5 | -16.8 | 13.6 |
GZN203-4 | 成矿期烟灰色方解石 | -9.1 | -17.6 | 12.7 |
ZK4-3-11 | 成矿期烟灰色方解石 | -8.5 | -18.0 | 12.4 |
ZK4-4-2 | 成矿后灰白色方解石 | -10.3 | -16.8 | 13.6 |
ZK2-1-6 | 成矿后灰白色方解石 | -1.0 | -23.7 | 6.5 |
ZK14-1-5 | 成矿后灰白色方解石 | -9.7 | -14.8 | 15.7 |
ZN70-3 | 成矿后灰白色方解石 | -8.5 | -18.5 | 11.8 |
ZK4-3-10 | 成矿后灰白色方解石 | -11.9 | -16.1 | 14.3 |
ZK5-3-3 | 成矿后灰白色方解石 | -10.6 | -15.9 | 14.5 |
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