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J4 ›› 2008, Vol. 16 ›› Issue (4): 38-40.

• 资源勘探 • 上一篇    下一篇

三山岛金矿床控矿构造特征及下盘找矿实践

李威,郭彬,王振军   

  1. 山东黄金集团有限公司三山岛金矿,山东   莱州    261442
  • 收稿日期:2008-06-04 修回日期:2008-06-28 出版日期:2008-08-27 发布日期:2011-07-05
  • 作者简介:李威(1967-),男,高级工程师,从事矿山地质及找矿勘探工作

Characteristics of Ore-controlling Structure of Sanshandao Gold Ore Deposit and Practice of Searching for Gold Ore in Lower Plate

LI We,GU0 Bin,WANG Zhenjun   

  1. Sanshandao Gold Mine,Shandong Gold Group Co.,Ltd.,Laizhou  261442,Shandong,China
  • Received:2008-06-04 Revised:2008-06-28 Online:2008-08-27 Published:2011-07-05

摘要:

三山岛金矿床(原莱州市仓上金矿床)埋藏浅,矿体厚度大,属我国大型露天开采金矿。由于露天开采设计境内的矿石基本回采完毕,面临着资源危机,为延长矿山服务年限,决定对矿床深部及矿体下盘进行成矿规律研究及找矿预测。根据矿床构造控矿特征和露天实际开采揭露地质情况,对主控矿构造蚀变带下盘的3号构造蚀变带进行分析、研充、论证,决定在露天坑下盘先施工探矿钻孔,结果探矿钻孔见到了矿:之后,施工竖井进行坑道探矿,在原矿体下盘探明了具有开采价值的工业矿体,实现了由露天向井下开采的生产转型,延长了矿山服务年限,对类似矿山有一定的借鉴意义

关键词: 矿山资源, 构造控矿, 探明储量, 矿体特征

Abstract:

Sanshandao gold deposit(Cangshang gold deposit in Laizhou)buries shallowly and has a big ore—bodythickness,SO it is one of Chinag large—scale open—air gold mining.As no ores in the open—air mining field could be exploited basically,the mine was facing a resource crisis.To extend the life of Mine,we decided to study the law of mineralization and prospecting forecast of the deep of the mine and the ore—body footwal1.Analyzing,researching the No.3 structural alteration zone in the main and dominative structural alteration zone,based on ore—controlling structure characteristics and geological condition,we found that the prospecting drilling touched the gold ore.Than we exploited ore with construction silo in tunnel,we gained a industrial ore—body under the former ore—body with mining value.This discover protract the production life,at the same time.the open—air gold mining turned to underground mining l successfully.Our experience can be used to other similar deposit.

Key words: Mine resource, Structural ore—control, Proved reserve, Ore body characteristics

中图分类号: 

  • P618.51

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