四川银厂金矿地质特征及成因探讨

Abstract

Abstract:

Based on the study of geology and causes of Yingchang gold deposit,we suggest that gold mineralization hosted in the lower Carboniferous Xuebaoding formation,lower Permian upper Sandaoqiao formation,mid-Triassic system lower Zagunao formation.Gold mineralization is closely related to pyritization,arsenopyrit mineralization, cinnabar mineralization,limonitization,realgar mineralizantion and orpiment mineralization.During in the diagenesis stage,mechanical handling and sorting,through,which the gold-rich brine can move to a site of deposition,After that the thermal energy produced by tectonic and regional metamorphism heat the water,which was stored in the rock pores and cracks，formed sulfur-rich hydrothermal solution.As the migration of gold contained in the hydrothermal fluids to the fault,the changes of the pressure,temperature and pH led to the enrichment of ore.

Key words: Geological Characteristics, Genesis, Yinchang gold deposit, Sichuan Province

CLC Number:

P618.51

GAO Yongjun,REN Guangzhi,JI Bingxin,WANG Xinzhong. Geological Characteristics and Genesis of Yinchang Gold Deposit,Sichuan Province[J].J4, 2011, 19(3): 55-58.

References

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［2］张均，张晓军，廖群安.川西北地区金成矿的构造—岩浆控制［J］.黄金，2006，21（6）：1-5.
［3］王小春.川西北地区微细粒浸染型金矿的成矿过程［J］.四川地质学报，1995，15：41-48.
［4］刘桂阁，王恩德，陈勇敢，等.川西北壤塘成矿带遥感找矿模式及找矿方向［J］.黄金科学技术，2008,16（4）：9-13.

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Geological Characteristics and Genesis of Yinchang Gold Deposit,Sichuan Province

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