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J4 ›› 2007, Vol. 15 ›› Issue (3): 1-4.

• 矿产勘查 •    下一篇

大兴安岭虎拉林金矿地质地球化学特征及找矿方向

徐伦先, 宋丙剑, 周殿宇, 怀宝峰   

  1. 武警黄金第三支队,黑龙江哈尔滨,150049
  • 收稿日期:2006-12-13 修回日期:2007-04-10 出版日期:2007-06-28 发布日期:2011-07-28
  • 作者简介:徐伦先(1971-),男,工程师,从事黄金地质科研、找矿及地质管理等工作.

Geological-Geochemical Features of the Hulalin Gold Deposit,Daxing’anling

 XU  Lun-Xian, SONG  Bing-Jian, ZHOU  Dian-Yu, HUAI  Bao-Feng   

  1. NO. 3 Gold Geological Party of CAPF,Harbin 150049,China
  • Received:2006-12-13 Revised:2007-04-10 Online:2007-06-28 Published:2011-07-28

摘要:

虎拉林金矿位于额尔古纳成矿带北段,是与斑岩体有关的隐爆角砾岩型金矿,矿化具有一体多型的分布模式,矿体受隐爆角砾岩和断裂联合控制。Bi、As、Au、sb、Ag、Pb明显富集,并且具有变异系数大、分布不均匀等特点。δ34S值 (CDT) 变化范围在−0.2‰~0.8‰之间,具有深源岩浆S的特征,成矿物质来自地壳深部或地幔,成矿流体以深部岩浆热液为主,成矿年龄为135.5Ma,矿床属中低温热液型矿床,矿区外围找矿前景较好。

关键词: 金矿, 地质特征, 地球化学特征, 找矿方向, 虎拉林, 大兴安岭

Abstract:

The Hulalin gold deposit is located in the north of Erguna ore-forming belt, belongs to the cryptoexplosion breccia type gold deposit related to the porphyry body. The mineralization distribution is featured by the model of onebody withmuhi-type. The orebodies are controlled by cryptoexplosion breccia and faults, Bi、As、Au、Sb、Ag、Pb are obviously enriched and have characteristics of big variation coeficient, uneven distribution. δ34S rangers from -0.2‰~0.8‰ and shows S features of plutonic magmas. The ore-forming materials derive from deep crust or mantle, and the ore-forming fluids derive from the deep magmatic hydrothermal solution. The ore-forming age was 135.5 Ma. The genetic type belongs to the meso-epithermal altered hydrothermal. It will is good prospecting exploration direction for the outside orebodies.

Key words: Gold deposit, Geological features, Geochemical features, Exploration direction, Hulalin, Daxing’anling

中图分类号: 

  • P618.04

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