| 安徽铜陵鸡冠石银金矿床稀土元素地球化学特征 |
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| 引用本文： | 王训诚,吴多元,周育才,罗传华,谢超国.安徽铜陵鸡冠石银金矿床稀土元素地球化学特征[J].安徽地质,2000(1). |
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| 作者姓名： | 王训诚 吴多元 周育才 罗传华 谢超国 |
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| 作者单位： | 安徽省地质矿产局321地质队!安徽 铜陵 244033 |
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| 摘 要： | 鸡冠石银金矿床发育在岩体的内部，矿体呈直立的充填脉状。以含银金块状黄铁矿矿石为主，∑ ＲＥＥ＝１０９．２４８ Ｘ １０－６－４．１８ Ｘ １０－６，δＥｕ＝２．４０－０．９０，∑ＬＲＥＥ／∑ＨＲＥＥ＝１２．８１－８．４９。稀土元素球粒陨 石标准化组成模式为右斜型。成矿物质来源于２０－３０ｋｍ深度的中酸性岩浆熔离形成的超基性岩浆。
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| 关 键 词： | 稀土元素 银金矿床 矽卡岩浆 贯入充填 |
THE REE GEOCHEMICAL CHARACTERISTICS OF THE JIGUANSHI GOLD AND SILVER - BEARING ORE DEPOSIT IN TONGLING, ANHUI |
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| WANG Xun-cheng,WU Duo-yuan,ZHOU Yu-cai,LUO Chan-huo,XIE Chao-guo.THE REE GEOCHEMICAL CHARACTERISTICS OF THE JIGUANSHI GOLD AND SILVER - BEARING ORE DEPOSIT IN TONGLING, ANHUI[J].Geology of Anhui,2000(1). |
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| Authors: | WANG Xun-cheng WU Duo-yuan ZHOU Yu-cai LUO Chan-huo XIE Chao-guo |
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| Abstract: | The Jiguanshi silver and gold ore deposit was developed inside a rock body The ore body is vertically infilling vein - like and dominated by silver and gold - beating massive pyrite ores with REE = 109. 248 - 4. 18, Eu = 2. 40 - 0. 90. and LREE/ HREE = 12. 81 ~ 8. 94. The REE chondrite normalization model is in a right - dipping form. The melallogenic substance is sourced from the 20 ~ 30km deep ultrabasic magma resulted from the dissolving and separation of the intermediate - acid magma. |
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| Keywords: | REE silver and gold deopsit skarn magma injection filling |
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