Ji Duo, Wen Chun-qi, Jianlin Liu, Ba Sang, Guan Hui, Yan Huo, GE Sangduoqing
Abstract
1999年在雅鲁藏布江缝合带西段马攸木地区首先探查到砂金异常,进而通过预查、普查和详查,发现了砂金储量居目前西藏之首的马攸木砂金矿床.该矿床Ⅰ号矿体长为14196.3 m,平均宽度为126.61 m,平均厚度为11.25 m,加权平均品位为0.5116g/m3,砂金资源总量属大型.介绍了Ⅰ号矿体砂金的形态与粒度、成分和成色.马攸木砂金矿床的发现,对西藏地区及古地中海-喜马拉雅成矿域的找矿与成矿理论研究具有重要意义.
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1999年在雅鲁藏布江缝合带西段马攸木地区首先探查到砂金异常,进而通过预查、普查和详查,发现了砂金储量居目前西藏之首的马攸木砂金矿床.该矿床Ⅰ号矿体长为14196.3 m,平均宽度为126.61 m,平均厚度为11.25 m,加权平均品位为0.5116g/m3,砂金资源总量属大型.介绍了Ⅰ号矿体砂金的形态与粒度、成分和成色.马攸木砂金矿床的发现,对西藏地区及古地中海-喜马拉雅成矿域的找矿与成矿理论研究具有重要意义.
Key concepts: Placer mining, Geology, Geochemistry, Placer deposit, Mining engineering, Archaeology, History