| 皖南地区离子吸附型稀土矿床成矿条件及成矿特征 |
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| 引用本文： | 谭德兴.皖南地区离子吸附型稀土矿床成矿条件及成矿特征[J].安徽地质,2013,23(1):53-58. |
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| 作者姓名： | 谭德兴 |
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| 作者单位： | 安徽省地质调查院,安徽合肥,230001 |
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| 摘 要： | 安徽省皖南地区岩浆岩分布广泛,地貌、气候条件适宜,有利于花岗岩风化壳的形成、保存,且基岩的稀土丰度较高,有利于离子吸附型稀土矿床的形成。通过在皖南地区的工作,分析了离子吸附型稀土矿床的内生成矿条件(基岩中稀土丰度、稀土元素赋存状态、矿物组合及岩石结构、构造),表生成矿条件(气候条件、风化壳发育程度、地貌特征),总结了离子吸附型稀土矿床的成矿特征、找矿标志。
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| 关 键 词： | 离子吸附型稀土矿床 丰度 赋存状态 气候条件 地貌特征 成矿特征 找矿标志 皖南 |
ORE-FORMING CONDITIONS AND FEATURES OF ION ADSORPTION TYPE REE ORE DEPOSITS IN SOUTH ANHUI |
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| TAN De-xing.ORE-FORMING CONDITIONS AND FEATURES OF ION ADSORPTION TYPE REE ORE DEPOSITS IN SOUTH ANHUI[J].Geology of Anhui,2013,23(1):53-58. |
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| Authors: | TAN De-xing |
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| Institution: | TAN De-xing(Institute of Geological Survey of Anhui Province,Hefei,Anhui 230001) |
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| Abstract: | Magmatic rocks are widespread in south Anhui. The landforms and climate conditions are favorable to formation and reservation of weathering crust of granite there, and high REE abundance in bedrock helps to form ion adsorption type REE ore deposit. Based on field work in south Anhui, this paper analyzed endogenic mineralization conditions （REE abundance in bedrock, occurrence state of REE, mineral association, and rock texture and structure） and supergenic conditions （climate conditions, degree of development of weathering crust, and landform features） of the deposit, then summarized ore-forming features and exploration indicators of the deposit.. |
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| Keywords: | ion adsorption REE ore deposit abundance occurrence state climate conditions landform features ore-forming features mineral exploration indicators south Anhui |
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