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J4 ›› 2009, Vol. 17 ›› Issue (5): 1-5.

• 矿产勘查 •    下一篇

虎拉林金矿岩石化学特征及成因

刘桂阁1,2, 王恩德1, 李杰美2, 李艳秋2, 陈勇敢2, 常春郊2, 王治华2, 朝银银2   

  1. 1. 东北大学资源与土木工程学院, 辽宁沈阳110004;
    2. 武警黄金地质研究所, 河北廊坊065000
  • 收稿日期:2009-01-07 修回日期:2009-02-10 出版日期:2009-10-30 发布日期:2011-09-29
  • 作者简介:刘桂阁(1971-),男,山东阳谷人,高级工程师,主要从事黄金找矿研究工作.E-mai:lliuguig@sina.com.
  • 基金资助:

    地质大调查项目(编号: 20011020001)资助.

Petrochemical Characteristics and Genesis of Hulalin Gold Deposit

LIU Guige1,2, WANG Ende1,LI Jiemei2,LI Yanqiu2,CHANG Chun jiao2,WANG Zhihua2,CHAO Yinyin2   

  1. 1. Resource and Earth College of Northeastern University, Shenyang 110004, Liaoning, China;
    2. Gold Geologic Institute of CAPF, Langfang 065000, Hebei, China
  • Received:2009-01-07 Revised:2009-02-10 Online:2009-10-30 Published:2011-09-29

摘要:

虎拉林金矿床是额尔古纳成矿带北段的一个中型规模的金矿床, 矿体产于爆破角砾岩中。该矿位于华北板块和西伯利亚板块之间, 是斑岩和爆破角砾岩型金矿床发育地区之一。金矿床成矿年龄为135Ma, 矿化角砾岩具有典型隐爆角砾岩的特征, 矿化在时空和成因上与爆破角砾岩关系密切; δ34S变化范围为-0.2‰~0.8‰, 具有深源岩浆硫特征; S和Pb同位素、流体包裹体、稀土元素等特征表明成矿物质来自地壳深部或地幔, 成矿流体具有以深部岩浆热液为主的特点。由此可知, 虎拉林金矿床
是典型的隐爆角砾岩型金矿。

关键词: 额尔古纳成矿带, 隐爆角砾岩, 岩石化学, 虎拉林金矿, 内蒙古

Abstract:

Hulalin gold deposit is a middle-scale gold deposit located in north part of Eergunam ineralization belt, and the explosive breccia is the host rock. The deposit locates between North China plate and Siberia plate, is one of the growth area of porphyry type and explosive breccia type gold deposit. Mineralization age of gold deposit is 135Ma, mineralized breccia has the characteristics of typical crypto-explosion breccia. Mineralization has close relationship with the explosive breccia in space, time and genesis. The gold deposit has got the petrochemical characteristics that δ34S is from -0.2‰to 0.8‰, and Scharacteristics of deep-seatedmagma. The characteristics of S and Pb isotope, fluid inclusion and REE show that metallogenic material is from deep crust ormantle, and metallogenic fluid mainly is deep magmatic hydrotherm. Hulalin deposit is a typical crypto-explosive breccia type gold deposit.

Key words: Eerguna metallogenic belt, Crypto-explosion breccias, Petrolchemistry, Hulalin gold deposit, Inner Mongolia

中图分类号: 

  • P618.51
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