选择新疆红山铜金矿床,使用美国ASD公司的FieldSpec Pro FR地面波谱仪,在铜金矿区及外围地段分别对各地质体的英安岩、蚀变英安岩、花岗岩、花岗闪长岩、流纹斑岩、片理化带、矿体等开展地面波谱测试,获取各地质体的波谱曲线,综合剖析...选择新疆红山铜金矿床,使用美国ASD公司的FieldSpec Pro FR地面波谱仪,在铜金矿区及外围地段分别对各地质体的英安岩、蚀变英安岩、花岗岩、花岗闪长岩、流纹斑岩、片理化带、矿体等开展地面波谱测试,获取各地质体的波谱曲线,综合剖析各吸收峰的波谱特征和蚀变矿物的反映特征,同时结合镜下鉴定和X射线衍射分析结果,研究和总结红山铜金矿区从矿体、矿化体、近矿围岩、外围蚀变围岩至外围正常围岩的地面高光谱蚀变矿物和蚀变矿物组合分布特征,结合矿床的地质矿产特征和地面围岩蚀变特征,形成地面高光谱蚀变矿物组合分布图,构建红山铜金矿床基于地面高光谱遥感找矿模型,为后期开展航空高光谱遥感调查、高光谱蚀变矿物信息提取和找矿预测提供地面高光谱波谱数据支持和典型矿床模型基础。展开更多
Based on the results of previous studies and under the direction of the theory of "ore deposit genesis",the authors made use of high temperature and high pressure experimental facilities and conditions at th...Based on the results of previous studies and under the direction of the theory of "ore deposit genesis",the authors made use of high temperature and high pressure experimental facilities and conditions at the Tectono-geochemistry Research Room under the State Key Laboratory of Ore Deposit Geochemistry,Institute of Geochemistry,Chinese Academy of Sciences,and put the focus on the multi-source of tectonically controlling ore-forming materials,the characteristics of multi-stage and multi-episode hydrothermal activities and mineralization and the characteristics of multi-genesis and multi-ore deposition so as to shed light on the metallogenic mechanisms of super-large Cu and Au deposits.In addition simulating experiments were made on multi-stage and multi-episode tectonic activities and rock and ore deformation,multi-stage and multi-episode tectonic activities and mobilization and migration of ore-forming materials,and multi-stage and multi-episode tectonic activities and superimposition and enrichment of ore-forming materials.The experimental results showed that under the action of multi-stage and multi-episode tectonic stress the deformation and fragmentation of not only rocks and ores have been intensified,and but also the ore-forming materials originally disbursed in the rocks and ores have been mobilized and migrated and superimposed and enriched.The experimental results also provided the scientific experimental data and grounds for deep-going research on the rules of metallogenesis and geneses of super-large ore deposits in the Dexing region,Jiangxi Province.展开更多
文摘选择新疆红山铜金矿床,使用美国ASD公司的FieldSpec Pro FR地面波谱仪,在铜金矿区及外围地段分别对各地质体的英安岩、蚀变英安岩、花岗岩、花岗闪长岩、流纹斑岩、片理化带、矿体等开展地面波谱测试,获取各地质体的波谱曲线,综合剖析各吸收峰的波谱特征和蚀变矿物的反映特征,同时结合镜下鉴定和X射线衍射分析结果,研究和总结红山铜金矿区从矿体、矿化体、近矿围岩、外围蚀变围岩至外围正常围岩的地面高光谱蚀变矿物和蚀变矿物组合分布特征,结合矿床的地质矿产特征和地面围岩蚀变特征,形成地面高光谱蚀变矿物组合分布图,构建红山铜金矿床基于地面高光谱遥感找矿模型,为后期开展航空高光谱遥感调查、高光谱蚀变矿物信息提取和找矿预测提供地面高光谱波谱数据支持和典型矿床模型基础。
基金State Key Laboratory Project: part of the results of research project funded by the State Key Lab. of Ore Deposit Geochemistry,Institute of Geochemistry,Chinese Academy of Sciences (Grant No. 200709)
文摘Based on the results of previous studies and under the direction of the theory of "ore deposit genesis",the authors made use of high temperature and high pressure experimental facilities and conditions at the Tectono-geochemistry Research Room under the State Key Laboratory of Ore Deposit Geochemistry,Institute of Geochemistry,Chinese Academy of Sciences,and put the focus on the multi-source of tectonically controlling ore-forming materials,the characteristics of multi-stage and multi-episode hydrothermal activities and mineralization and the characteristics of multi-genesis and multi-ore deposition so as to shed light on the metallogenic mechanisms of super-large Cu and Au deposits.In addition simulating experiments were made on multi-stage and multi-episode tectonic activities and rock and ore deformation,multi-stage and multi-episode tectonic activities and mobilization and migration of ore-forming materials,and multi-stage and multi-episode tectonic activities and superimposition and enrichment of ore-forming materials.The experimental results showed that under the action of multi-stage and multi-episode tectonic stress the deformation and fragmentation of not only rocks and ores have been intensified,and but also the ore-forming materials originally disbursed in the rocks and ores have been mobilized and migrated and superimposed and enriched.The experimental results also provided the scientific experimental data and grounds for deep-going research on the rules of metallogenesis and geneses of super-large ore deposits in the Dexing region,Jiangxi Province.
