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内蒙古四五牧场金矿床成矿物质来源研究
引用本文:杨才, 郭根万, 郭万良, 徐国. 内蒙古四五牧场金矿床成矿物质来源研究[J]. 地质与资源, 2008, 17(1): 26-29. doi: 10.13686/j.cnki.dzyzy.2008.01.009
作者姓名:杨才  郭根万  郭万良  徐国
作者单位:内蒙古自治区地质调查院, 内蒙古 呼和浩特 010020
基金项目:中国地质调查局区域地质调查项目
摘    要:根据内蒙古四五牧场金矿床的S、Pb、O、C同位素组成特征,对金矿床成矿物质来源进行了分析.认为金属硫化物中的硫来源于火山岩盆地基底古生代海相地层;铅主要由赋矿地层及火山岩盆地基底岩石所提供;成矿流体在成矿期主要来源于岩浆,成矿期后热液中有大气水混入.四五牧场金矿成矿期为晚侏罗-早白垩世.

关 键 词:金矿床   成矿物质   同位素   内蒙古
文章编号:1671-1947(2008)01-0026-04
收稿时间:2007-12-03
修稿时间:2007-12-03

STUDY ON THE ORE-FORMING MATERIAL SOURCE OF SIWUMUCHANG GOLD DEPOSIT IN INNER MONGOLIA
YANG Cai, GUO Gen-wan, GUO Wan-liang, XU Guo. STUDY ON THE ORE-FORMING MATERIAL SOURCE OF SIWUMUCHANG GOLD DEPOSIT IN INNER MONGOLIA[J]. Geology and Resources, 2008, 17(1): 26-29. doi: 10.13686/j.cnki.dzyzy.2008.01.009
Authors:YANG Cai  GUO Gen-wan  GUO Wan-liang  XU Guo
Affiliation:Inner Mongolian Institute of Geological Survey, Hohhot 010020, China
Abstract:Based on the characteristics of S, Pb, O and C isotope in the Siwumuchang gold deposit in Inner Mongolia, the ore-forming material resource is analyzed. It is concluded that the S in metallic sulfides comes from the volcanic rock basin of Paleozoic marine bed. The Pb is provided by host strata and volcanic rock basin. In mineralization period, the ore-forming fluid is mainly derived from magma, with meteoric water mixed after the mineralization. The mineralization period of the Siwumuchang gold deposit ranges from Late Jurassic to Early Cretaceous.
Keywords:gold deposit  ore-forming material  isotope  Inner Mongolia
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