| 安徽省沙坪沟钼矿床蚀变及其分带特征 |
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| 引用本文： | 阳珊,姜章平,张青,陈寿椅,袁小玲,张鹏.安徽省沙坪沟钼矿床蚀变及其分带特征[J].安徽地质,2013(2):98-103. |
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| 作者姓名： | 阳珊 姜章平 张青 陈寿椅 袁小玲 张鹏 |
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| 作者单位： | 安徽省地质实验研究所,安徽合肥,230001;安徽省地质实验研究所,安徽合肥,230001;安徽省地质实验研究所,安徽合肥,230001;安徽省地质实验研究所,安徽合肥,230001;安徽省地质实验研究所,安徽合肥,230001;安徽省地质实验研究所,安徽合肥,230001 |
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| 摘 要： | 沙坪沟钼矿床蚀变类型有硅化、钠化、钾化、云英岩化、绢英岩化、黄铁绢英岩化、硬石膏化、萤石化等,与成矿有关的主要蚀变为硅化、钠化、云英岩化,黄铁绢英岩化发生在钼成矿之后;由下到上,由高温到低温将蚀变划分为三个带,即钾化、钠化、云英岩化综合带、绢英岩化带、黄铁绢英岩化带;工业矿体主要分布在钾化、钠化、云英岩化综合带中,绢英岩化带主要构成矿体顶板及分布部分低品位矿体,黄铁绢英岩化带主要分布于基本无矿体的地表及地下浅部。
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| 关 键 词： | 蚀变类型 蚀变分带 钼矿床 沙坪沟 安徽省 |
Alteration and its zoning features of the Shapinggou molybdenum ore deposit in Anhui Province |
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| YANG Shan,JIANG Zhang-ping,ZHANG Qing,CHEN Shou-yi,YUAN Xiao-ling,ZHANG Peng.Alteration and its zoning features of the Shapinggou molybdenum ore deposit in Anhui Province[J].Geology of Anhui,2013(2):98-103. |
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| Authors: | YANG Shan JIANG Zhang-ping ZHANG Qing CHEN Shou-yi YUAN Xiao-ling ZHANG Peng |
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| Institution: | (Institute of Geoanalysis of Anhui Province, Hefei, Anhui 230001, China) |
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| Abstract: | The Shapinggou molybdenum ore deposit is involved in alterations such as silication,sodiumization, potassium- ization, greisenization, sericitolitization, beresitization, anhydritization and fluoritization, of which beresitization post-dat- ed molybdenum mineralization. From bottom to top,alteration is divided by temperature from high to low into a com- posite zone of potassiumization, sodiumization and greisenization, sericitolitization zone and beresitization zone. Industri- al ore bodies occur in the composite zone, with the sericitolitization zone forming the ceiling and hosting low-grade mineralization, and the barren beresitization zone in the surface and shallow underground. |
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| Keywords: | alteration type alteration zoning molybdenum ore deposit Shapinggou Anhui Province |
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