ISSN 1009-6248CN 61-1149/P 双月刊

主管单位:中国地质调查局

主办单位:中国地质调查局西安地质调查中心
中国地质学会

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    东昆仑东段哈日扎地区含矿斑岩特征及找矿潜力分析

    Characteristics of Ore-Bearing Porphyry and Prospecting Potential Analysis of Harizha in East Kunlun Area

    • 摘要: 东昆仑东段都兰哈日扎地区出露比较典型的燕山期花岗闪长斑岩,斑岩体以少暗色矿物、多巨斑、石英斑晶具熔蚀现象、普遍见孔雀石化和地表"火烧皮"为特征。斑岩形成于后碰撞伸展构造环境,是加厚陆壳背景环境下的底侵、拆沉构造作用的结果。斑岩具全岩铜矿化特征,属于大陆环境下的斑岩型矿床。从其成矿地质特征、地球物理、地球化学特征和斑岩体深部矿化特征综合分析,该区具有寻找斑岩型铜矿的巨大潜力。

       

      Abstract: Harizha is located in Dulan in east Kunlun,it developed typical Yanshanian granodiorite-porphyry.The porphyry body is characteristic of less melanocratic mineral,giant phenocryst,corroded quartz phenocryst,widespread malachite mineralization and Fire-skin in surface.Porphyry formed after the collision stretch tectonic environment,is the result of assault and heavy construction effect in the thick continental crust background environment.Porphyry copper deposit with the rock change feature,belongs to the continent in the environment of porphyry deposit,from its metallogenic geological characteristics,geophysical and geochemical characteristics and deep porphyry mineralization characteristic in the comprehensive analysis,it has enormous potential for porphyry copper.

       

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