| 西藏普兰县马攸木砂金矿床的发现及其意义 |
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| 引用本文： | 多吉,温春齐,刘建林,巴桑,官辉,霍艳,格桑多庆.西藏普兰县马攸木砂金矿床的发现及其意义[J].地质通报,2003(Z1). |
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| 作者姓名： | 多吉 温春齐 刘建林 巴桑 官辉 霍艳 格桑多庆 |
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| 作者单位： | 西藏自治区地勘局 西藏拉萨850000
(多吉，刘建林，巴桑，官辉)，成都理工大学 四川成都610059
(温春齐，霍艳)，西藏自治区地勘局 西藏拉萨850000(格桑多庆) |
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| 基金项目： | 西藏自治区重点科研项目资助。 |
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| 摘 要： | 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14196.3m,平均宽度为126.61m,平均厚度为11.25m,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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| 关 键 词： | 砂金矿床 马攸木 西藏 |
Discovery of the Mayum placer gold deposit,Burang County,Tibet,and its significance |
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| DUOJI ,WEN Chunqi ,LIU Jianlin ,BASANG ,GUAN Hui ,HUO Yan ,GESANG Duoqing.Discovery of the Mayum placer gold deposit,Burang County,Tibet,and its significance[J].Geologcal Bulletin OF China,2003(Z1). |
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| Authors: | DUOJI WEN Chunqi LIU Jianlin BASANG GUAN Hui HUO Yan GESANG Duoqing |
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| Institution: | DUOJI 1,WEN Chunqi 2,LIU Jianlin 1,BASANG 1,GUAN Hui 1,HUO Yan 2,GESANG Duoqing 1 |
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| Abstract: | Placer gold anomalies were found in the Mayum area in the western segment of the Yarlung Zangbo suture zone in1999and then through regional appraisal and detailed reconnaissance,the Mayum placer gold deposit,whose placer gold reserves now rank first in Tibet,was found.Orebody No.1of this deposit is14196.3m long,126.61m wide and11.25m thick on the average and has a weighted average grade of 0.5116g /m 3 .According to the placer gold resources,this deposit belongs to a large one.In the paper the shape,grain size,composition and fineness of placer gold in orebody No.1are introduced.The discovery of the Mayum placer gold deposit has great significance for gold prospecting and the study of the metallogenic theory in Tibet and the Tethys-Himalaya metallogenic domain. |
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| Keywords: | placer gold deposit Mayum Tibet |
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