| 陕西银硐子海底喷气沉积型银铅多金属矿床的主要成矿特征 |
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| 引用本文： | 罗学常,胡明安,王思源,胡祖桂,蒋明霞.陕西银硐子海底喷气沉积型银铅多金属矿床的主要成矿特征[J].地球科学,1997,6(2). |
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| 作者姓名： | 罗学常 胡明安 王思源 胡祖桂 蒋明霞 |
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| 作者单位： | 资源学院 |
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| 摘 要： | 通过对陕西银硐子沉积型银铅多金属矿床成矿的古构造、古地理环境以及矿床的含矿岩系的岩石、矿石、矿物成分、微量元素、稀土元素、铅同位素等地球化学特征的研究，并与国外某些海底喷气沉积铅锌矿床相比较，发现它们具有极为相似的地质、地球化学特征，表明该矿床是在正常海相沉积与海底喷气沉积相渗合而形成的，是具有较大经济价值的银铅铜锌贱金属－贵金属（特大型）综合矿床
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| 关 键 词： | 海底喷气，多金属矿床，沉积矿床，含矿岩系（层），银硐子，陕西 |
METALLOGENIC CHARACTERISTICS OF SUBMARINE EXHALATION-SEDIMENTARY Ag-Pb POLYMETALIC DEPOSIT IN YINDONGZI AREA, SHAANXI PROVINCE |
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| Luo Xuechang,Hu Ming''''an,Wang Siyuan,Hu Zugui,Jiang Mingxia.METALLOGENIC CHARACTERISTICS OF SUBMARINE EXHALATION-SEDIMENTARY Ag-Pb POLYMETALIC DEPOSIT IN YINDONGZI AREA, SHAANXI PROVINCE[J].Earth Science-Journal of China University of Geosciences,1997,6(2). |
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| Authors: | Luo Xuechang Hu Ming'an Wang Siyuan Hu Zugui Jiang Mingxia |
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| Abstract: | The Yindongzi sedimentary Ag-Pb polymetallic deposit in Shaanxi Province is a superlarge-scale comprehensive Ag-Pb-Cu-Zn metallic-precious metallic deposit, and is high in economic value. The present paper studies its metallogenic paleo structures, paleogeography, and rocks, ores, mineral compositions, trace elements, rare earth elements and Pb-isotope of ore-bearing, and compares it with some submarine exhalation-sedimentary Pb-Zn ore deposits in other countries. The study and comparison indicate that the Yindongzi Ag-Pb polymetallic ore deposit shows some very similar geological and geochemical characteristics to those in other countries, and was formed by combination of normal marine sedimentation and exhalation-sedimentation. |
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| Keywords: | marine exhalation polymetallic deposits sedimentary deposit ore-bearing rock formations Yindongzi Shaanxi Province |
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