云南省镇沅县三家村金矿床地质特征及矿床成因探讨  

A Study on Geological Characteristics and Deposit Genesis of Sanjiacun Gold Deposit in Zhenyuan County of Yunnan Province

作　　者：郭建刚[1] 

机构地区：[1]武警黄金第十支队,云南昆明650100

出　　处：《中国锰业》2017年第4期68-71,共4页China Manganese Industry

基　　金：中国人民武装警察部队黄金指挥部黄金专项基金项目(HJZHB-20151003)

摘　　要：重点对云南省镇沅县三家村金矿床成矿地质背景、矿区及矿床地质特征进行了分析研究,并探讨了矿床成因。研究表明:三家村金矿床主要受北西向深大断裂的次一级断裂构造控制;围岩蚀变主要有黄铁绢英岩化、绢云母化、硅化、碳酸盐化、绿泥石化、铬水云母化等,且与金成矿关系密切;金成矿可划分为4个成矿阶段,第1、第2阶段为主要成矿阶段。综合分析认,三家村金矿床成因类型为构造控制的中温混合变质热液型金矿床。In study of ore-forming conditions,we made an analysis of deposit geological characteristics and the genesis of Sanjiacun gold deposit in Zhenyuan County. It is found that Sanjiacun gold deposit mainly is controlled by NW secondary fault structure; alteration of surrounding rocks,as mainly includes pyritization 、sericitization、silicification、carbonicacidation 、chloritization 、Cr hydromicazation etc. All have their close relations with gold minerlization. Four minerlization stages exist in Sanjiacun gold deposit. So,an analysis was done in genetic types of Sanjiacun gold deposit,as is a moderate temperature and mixed metamorphic hydrothermal type gold deposit controlled by structures.

关 键 词：三家村金矿床 地质特征 矿床成因 

分 类 号：P618.51[天文地球—矿床学]