| 广东梅县嵩溪银多金属矿床地质及外围成矿预测 |
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| 引用本文： | 蔡信洪,李俊钿,倪舜鑫.广东梅县嵩溪银多金属矿床地质及外围成矿预测[J].地质与资源,2008,17(1):35-40. |
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| 作者姓名： | 蔡信洪 李俊钿 倪舜鑫 |
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| 作者单位： | 1. 广东省核工业地质局292队, 广东 汕头 515041;2. 广东有色金属地质勘察局931队, 广东 汕头 515041 |
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| 摘 要： | 嵩溪银锑矿区位于广东梅县白渡镇.矿区早侏罗世为海底火山喷溢.在喷溢间歇期及期后，大量含有Fe、Ag、Sb等多金属元素的残余气液与海盆的陆源碎屑和内源碎屑共同沉积，形成矿胚层.经由后期的热液改造，成矿物质叠加富集，形成矿体.其外围几千米范围内，有着与矿区类似的成矿条件.所以，从矿区成矿机理入手，深入研究，建立成矿模式，对寻找“嵩溪式”矿床意义重大.
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| 关 键 词： | 脉动式喷溢 银多金属矿 “嵩溪式”矿床 成矿预测 广东梅县 |
| 文章编号： | 1671-1947(2008)01-0035-06 |
| 收稿时间： | 2007-02-02 |
| 修稿时间： | 2007年2月2日 |
METALLOGENIC PROGNOSIS IN THE SURROUNDING AREAS OF SONGXI SILVER-POLYMETALLIC DEPOSIT IN MEIXIAN, GUANGDONG PROVINCE |
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| CAI Xin-hong,LI Jun-dian,NI Shun-xin.METALLOGENIC PROGNOSIS IN THE SURROUNDING AREAS OF SONGXI SILVER-POLYMETALLIC DEPOSIT IN MEIXIAN, GUANGDONG PROVINCE[J].Geology and Resources,2008,17(1):35-40. |
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| Authors: | CAI Xin-hong LI Jun-dian NI Shun-xin |
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| Institution: | 1. No. 292 Geological Party, Guangdong Bureau of Geology for Nuclear Industry, Shantou 515041, Guangdong Province, China;2. No. 931 Geological Party, Guangdong Bureau of Nonferrous Geologic Exploration, Shantou 515041, Guangdong Province, China |
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| Abstract: | The Songxi Ag-Sb deposit is located in Baidu Town of Meixian, Guangdong Province, where submarine volcanic eruption and effusion took place in Early Jurassic period. During the intermission of and after the eruption, a large amount of residual polymetallic element-bearing gas and fluid deposited with terrigenous clast and intraclast in the sea basin, forming source bed of ore. Orebodies are formed by the reformation of later hydrothermal fluid and the superimposition and enrichment of ore-forming material. There is a similar ore-forming condition in the periphery within several kilometers from the Songxi ore field. Therefore the study on the ore-forming mechanism and establishment of an ore-forming model is significant to seek the "Songxi type" of deposits in the area. |
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| Keywords: | pulsating eruption Ag-polymetallic deposit "Songxi type" of deposits metallogenic prognosis Meixian of Guangdong Province |
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