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J4 ›› 2011, Vol. 19 ›› Issue (6): 27-30.

• 矿产勘查 • 上一篇    下一篇

黑龙江大新屯金及多金属矿床控矿条件及找矿标志探讨

苏航,王贵鹏   

  1. 黑龙江省地质调查研究总院齐齐哈尔分院,黑龙江齐齐哈尔161005
  • 收稿日期:2011-09-20 修回日期:2011-10-30 出版日期:2011-12-28 发布日期:2012-05-29
  • 作者简介:苏航(1984-),男,黑龙江安达人,助理工程师,从事区域地质调查和矿产勘查工作.songbingjian@sina.com
  • 基金资助:

    中央地质勘查基金项目“黑龙江省黑河市大新屯金多金属矿普查项目”(编号:2009230006)资助.

Discussion on Ore-controlling Condition and Prospecting Criteria of Daxintun Gold and Polymetallic Deposit,Heilongjiang Province

SU Hang,WANG Guipeng   

  1. Qiqihar Branch,Heilongjiang Institute of Geological Survey,Qiqihar 161005,Heilongjiang,China
  • Received:2011-09-20 Revised:2011-10-30 Online:2011-12-28 Published:2012-05-29

摘要:

通过研究大新屯金及多金属矿床的地层、矿石特征及围岩蚀变特征等,分析控矿条件,认为地层、构造及岩浆岩与成矿关系密切。其中,北宽河组为成矿提供了物质来源,促进成矿的发生;构造控矿明显,区内已发现的金、银及锑矿体均产于NW向断裂破碎带内,矿体主要分布在侵入岩体接触带中;浅成脉岩体为金及多金属矿床的形成提供了充足的成矿物质和热动力条件。本区共圈定矿(化)体21 条,其中,金矿(化)体17 条,锑矿体3 条,银矿体1 条,矿石类型主要为石英脉型。为了进一步开展深入找矿工作,建立了找矿标志,指出今后应围绕脉岩体内外接触带、碳酸盐化发育地段及化探前缘指示元素(As、Sb)富集部位寻找石英脉型及构造蚀变岩型金及多金属矿床。

关键词: 金及多金属矿床, 控矿条件, 找矿标志, 大新屯金矿, 黑龙江省

Abstract:

Through studing the strata,the characteristics of ore and wallrock alteration in Daxintun gold and polymetallic deposit,analyzing the ore-controlling conditions of this area,we think that the strata,structure and igneous rocks are related to gold mineralization.Beikuanhe group provide material sources for mineralization,and promote the occurrence of mineralization.Ore -controlling structure is significantly,the gold,silver and antimony orebody,which have been found in the region,produce in NW trending fracture zones,orebody are mainly distributed in the contact zone of the intrusive rocks.Epithermal vein rock provides sufficient mineral and thermal conditions for the formation of gold and polymetallic deposits.The district delineat 21 orebodies,including 17 gold bodies,3 antimony bodies and one silver body,they are quartz vein type ore.In order to promote in-depth exploration work in the further,we establish prospecting criteria,and point out that we should focus on the inside and outside contact zone of vein rocks,the development sites of carbonate and the richment parts of the geochemical indicator elements(As,Sb)to find quartz vein and altered rock type gold and polymetallic deposits.

Key words: Gold and polymetallic ore, Ore-controlling condition, Prospecting criteria, Daxintun gold deposit, Heilongjiang Province

中图分类号: 

  • P618.51

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