山东旧店金矿黄铁矿标型特征及其地质意义

doi:10.11872/j.issn.1005-2518.2015.02.045

Gold Science and Technology ›› 2015, Vol. 23 ›› Issue (2): 45-50.doi: 10.11872/j.issn.1005-2518.2015.02.045

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Typomorphic Characteristics and Geological Significance of Pyrite in Jiudian Gold Deposit，Shandong Province

LI Yifan¹，LI Hongkui^2，3，TANG Qiyun^2，3，ZHUO Chuanyuan^2，3，GENG Ke^2，3，LIANG Taitao^2，3

1.College of Architecture and Civil Engineering，Weifang University，Weifang   261061，Shandong ，China；
2.Shandong Institute of Geological Sciences，Jinan    250013，Shandong ，China；
3.Key Laboratory of Gold Mineralization Processes and Resources Utilization，the Ministry of Land and Resources，Jinan   250013，Shangdong，China

Received:2014-07-16 Revised:2014-09-20 Online:2015-04-30 Published:2015-08-06

Abstract

Abstract:

Setting pyrite typomorphic of Jiudian gold deposit in Shandong Province as the research object，through study on the form，properties，typomorphic characteristics，principal components and trace elements of pyrite，it is regarded that Jiudian gold deposit can be divided into five mineralization stages.Pyrite is not only the transfixion mineral in each mineralization stage，but also topomorphic ineral indicates the gold deposit.Pyrite crystal associated with gold mineralization is mainly octahedral，pentagonal dodecahedron and cube.Unit cell parameters of pyrite are 5.4192~5.4197 .Main chemical components of pyrite in mineralization stage show the characteristics of loss S and rich Fe. Au，Ag，As，Co，Bi，Cu，Pb，Zn and other trace elements have an evident enrichment in the second，the third and the fourth mineralization phases，B，Ni and Sb have no enrichment basically，and Ti shows a loss in the whole process.Through content of Co in pyrite，it is concluded that Jiudian gold deposit belongs to low temperature epithermal deposit.As showed by rare elements，it is indicated light rare earth elements are enriched，particularly La and Ce elements，while high rare earth elements are loss.The enrichment of light rare earth elements is the symbol of rich ores.

Key words: pyrite, typomorphic characteristics, trace elements, Jiudian gold deposit, Shandong Province

CLC Number:

P618.51

LI Yifan，LI Hongkui，TANG Qiyun，ZHUO Chuanyuan，GENG Ke，LIANG Taitao. Typomorphic Characteristics and Geological Significance of Pyrite in Jiudian Gold Deposit，Shandong Province[J].Gold Science and Technology, 2015, 23(2): 45-50.

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