内蒙古赤峰市官地银金矿床地质特征及成矿分析
Geology and Resources（2012）
Abstract
官地银金矿床规模为中型矿床,产出于燕山早期闪长岩及潜火山岩中.矿体与潜火山岩岩体之间在空间上和成因上关系密切.闪长岩和潜火山岩既是矿体围岩,亦是成矿母岩.此外,二叠系安山岩可能亦为矿源层.成矿作用在低温、低压,大气降水为主的条件下形成.有利的矿源地层和火山机构是成矿的主要控制因素.
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Key words
ore-controlling factor,Guandi,electrum deposit,Inner Mongolia,subvolcanic rock
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