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1、三门峡市秦岭金矿田中深部找矿勘查工作探讨(河南省地质矿产勘查开发局)1资源及开发现状1.1资源勘查概况自1964年发现小秦岭金矿田以来,在长达40多年的时间里,以河南省地质矿产勘查开发局为主,先后有十余个地勘单位,二十余个矿山、科研、院校在该区开展了以地质找矿、金矿开发为中心的地质、科研工作,取得了丰硕的地质找矿成果。截止目前,在小秦岭金矿田(河南),共发现金矿脉和含金蚀变构造带600余条,已经详查和勘探的矿脉约80余条。探明大型金矿床7处,中型矿床12处,小型矿床20余处,获得黄金工业储量400余吨,占全省总储量的55%以上,成为我国重要的岩金生产基地
2、之一。见图1-1。图1-1河南小秦岭地区矿产略图1.第四系2.中元古界3.焕池峪组4.观音堂组5.四范沟组片麻状花岗岩6.杨砦峪组灰色片麻岩7.中生代似斑状黑云二长花岗岩8.中元古代片麻状花岗岩9.下元古代似斑状黑云角闪花岗岩10.背斜11.向斜12.地质界线1.2黄金开发现状小秦岭地区金矿的大规模开发,始于二十世纪80年代初。先后建成秦岭、文峪、大湖、枪马、金渠等大中型国有矿山数十座,总生产能力200万吨/Atpresent,wewouldliketotaketheopportunityofmaintainingpartymember'sprogres
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