| 前寒武纪铀金矿床的主要类型及在我国的成矿特点 |
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| 引用本文： | 梁良,钟芝筠.前寒武纪铀金矿床的主要类型及在我国的成矿特点[J].铀矿地质,1988(2). |
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| 作者姓名： | 梁良 钟芝筠 |
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| 摘 要： | 前寒武纪铀金矿床主要类型有:古砾岩型铀金矿床,层状或层控型铀金矿床,不整合脉型铀矿床(不含或少含金),绿岩型金矿床。我国主要发育绿岩型,并具有时代新、变质程度高、成岩成矿时差大等特点;空间上,金矿床常分布在隆起带,铀矿床分布在坳陷带,二者均受区域断裂制约。
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| 关 键 词： | 前寒武纪 铀金矿床 |
PRINCIPAL TYPES OF PRECAMBRIAN URANIUM-GOLD DEPOSITS AND THEIR METALLOGENETIC CHARACTERISTICS IN CHINA |
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| Liang Liang Zhong Zhiyun.PRINCIPAL TYPES OF PRECAMBRIAN URANIUM-GOLD DEPOSITS AND THEIR METALLOGENETIC CHARACTERISTICS IN CHINA[J].Uranium Geology,1988(2). |
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| Authors: | Liang Liang Zhong Zhiyun |
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| Institution: | Liang Liang Zhong Zhiyun |
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| Abstract: | Principal types of Precambrian uranium-gold deposits are as follows, paleo-conglomerate uranium-deposit, stratified or strata-bound uranium-gold deposit, unconformity-related uranium deposit(no or seldem gold)and greenstone gold deposit.The main types of gold deposits in China is greenstone one which is characterized by later age, high grade metamorphism and a large time difference between diagenesis of host rocks and gold metallogenesis.Gold deposits are spatially distributed in the uplift area, whereas uranium deposits are distributed in the downfaulted belt.Furthermore, both uranium and gold deposits are controlled by regional fractures. |
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| Keywords: | Precambrian Uranium-gold deposits |
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