大兴安岭北部虎拉林金矿床矿石及金矿物特征

J4 ›› 2012, Vol. 20 ›› Issue (1): 32-36.

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The Ore and Gold Minerals Characteristics of Hulalin Gold Deposit in North of Daxing’anling

LIU Jimin^1,2,ZHANG Chunge²,WANG Xiaoyong³,CHANG Lihai⁴

1．College of Earth Sciences，Jilin University,Changchun   130069,Jilin,China；
2.The First Gold General Party of CAPF,Harbin   150086,Heilongjiang,China；
3.No.3 Gold Geological Party of CAPF，Harbin   150069,Heilongjiang,China；
4.Heilongjiang Pile Foundation Engineering Company，Harbin   150036,Heilongjiang,China

Received:2011-09-11 Revised:2011-12-28 Online:2012-02-28 Published:2012-05-30

Abstract

Abstract:

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 major metallic minerals,also the major gold carrier minerals are pyrite，limonite and chalcopyrite；The nonmetallic minerals are quartz and feldspar．The ore textures include automorphic-hypautomorphic-xenomorphic granular，metasomatic and poikilitic．The ore structures mainly show disseminate，brecciated，veinlet and massive．The gold minerals are dominated by the native gold，and others are the electrum．Shapes of gold minerals are mostly granular，sharp-angled grain，longhorn granular and michael granular with middle to fine granule，the largest gold grain size is 0.38 mm×0.42 mm×0.06 mm.Gold occurs mainly in shape of interparticle gold，fissure gold or inclusion gold are taken the second place. Based on the features of gold grain size and occurrence in ore，the proposed ore grinding fineness choose 10 μm is appropriate，and may use the mineral processing of re-election-flotation.

Key words: Hulalin gold deposit, Ore characteristics, Gold minerals characteristics, North of Daxing’anling

CLC Number:

P618.51

LIU Jimin,ZHANG Chunge,WANG Xiaoyong,CHANG Lihai. The Ore and Gold Minerals Characteristics of Hulalin Gold Deposit in North of Daxing’anling[J].J4, 2012, 20(1): 32-36.

References

［1］丁清峰，孙丰月，梁海军.内蒙古虎拉林金矿矿床地质特征及成因探讨［J］.黄金，2006，27（10）：6-12.
［2］徐伦先，宋丙剑，周殿宇，等.大兴安岭虎拉林金矿地质地球化学特征及找矿方向［J］.黄金科学技术，2007，15（3）：1-4.
［3］刘桂阁，王恩德，李杰美，等.虎拉林金矿岩石化学特征及成因［J］.黄金科学技术，2009，17（5）：1-5.
［4］蔡长金.金矿物鉴定手册［M］.北京：原子能出版社，1993.
［5］栾世伟.金矿床地质及找矿方法［M］.成都：四川科学出版社，1987，35-37.

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