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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
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)
作者姓名:罗学常  胡明安  王思源  胡祖桂  蒋明霞
作者单位:资源学院
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

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
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)
Authors:Luo Xuechang Hu Ming''''an Wang Siyuan Hu Zugui Jiang Mingxia
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.
Keywords:marine exhalation   polymetallic deposits   sedimentary deposit   ore-bearing rock formations   Yindongzi   Shaanxi Province.  
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