吉林汪清刺猬沟金矿床地质特征及矿床成因
来源期刊:黄金2010年第7期
论文作者:殷茜 万多 卿敏 朴星海 边红业 程军 张景海
文章页码:13 - 15
关键词:刺猬沟金矿床; 地质特征; 矿床成因; 流体包裹体; 吉林省
Key words:Ciweigou gold deposit; geological characteristic; deposit genesis; fluid inclusion; Jilin province
摘 要:刺猬沟金矿床为产于中侏罗统屯田营组安山质火山岩地层之中,受断裂构造控制的石英-方解石脉型金矿床。流体包裹体研究表明,该矿床矿脉石英中主要发育气液二相及液相包裹体,气液二相包裹体均一温度为168.9~246.8℃,盐度为1.56%~5.7%,表明成矿流体属均一的低温、低盐度热液,其来源主要为大气降水,矿床属大气降水热液成因类型。
Abstract: Occurred in andesite volcanic strata of Tuntianying group of the middle Jurassic period,Ciweigou gold deposit is a quartz-calcite vein type deposit controlled by faults.Fluid inclusion study showed that mainly air-liquid two-phase and liquid phase inclusions bore in quartz veins.The homogenization temperature of the two-phase inclusions ranges from 168.9 ℃ to 246.8 ℃ and the salinities range from 1.56 % to 5.7 %.It is revealed that the ore-forming fluid was a low temperature,low salinity and homogeneous kind of hydrothermal solution.It was mainly of meteoric origin and the deposit is of meteoric hydrothermal type.
殷茜1,万多1,卿敏2,朴星海1,边红业3,程军4,张景海4
(1.吉林省长春市吉林大学地球科学学院
2.中国人民武装警察部队黄金地质研究所
3.中国人民武装警察部队黄金第一总队
4.中国人民武装警察部队黄金一支队)
摘 要:刺猬沟金矿床为产于中侏罗统屯田营组安山质火山岩地层之中,受断裂构造控制的石英-方解石脉型金矿床。流体包裹体研究表明,该矿床矿脉石英中主要发育气液二相及液相包裹体,气液二相包裹体均一温度为168.9~246.8℃,盐度为1.56%~5.7%,表明成矿流体属均一的低温、低盐度热液,其来源主要为大气降水,矿床属大气降水热液成因类型。
关键词:刺猬沟金矿床; 地质特征; 矿床成因; 流体包裹体; 吉林省