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TYPOMORPHIC CHARACTERISTICS OF PYRITE FROM SHUIYINDONG GOLD DEPOSIT IN GUIZHOU PROVINCE

Cao Xin-zhi

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Abstract

Researches of optical microscopy,SEM ICP-MS on morphology,geochemistry and other typomorphic characteristics of various pyrites show 5 types of pyrite in Shuiyindong gold deposit,i.e.strawberry pyrite,coarse grain pyrite,fine grain pyrite,bio-detrital pyrite and colloidal pyrite.The fine garained hydrothermal,bio-detrital and colloidal types are better in their auriferous property.In the ore-forming process ore materials were varied and environment unrest leading to multi-rings of the hydrothermal pyrite,i.e 3 zones of pyrite.The pyrites are varied with trace element.Combined the preexisting results of researches with analysis of the typomorphic Co/Ni,S/Se and Au/Ag ratio the hdrothermal ore fluid is considered to be related to deep source fluid.

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What this paper is about

Researches of optical microscopy,SEM ICP-MS on morphology,geochemistry and other typomorphic characteristics of various pyrites show 5 types of pyrite in Shuiyindong gold deposit,i.e.strawberry pyrite,coarse grain pyrite,fine grain pyrite,bio-detrital pyrite and colloidal pyrite.The fine garained hydrothermal,bio-detrital and colloidal types are better in their auriferous property.In the ore-forming process ore materials were varied and environment unrest leading to multi-rings of the hydrothermal pyrite,i.e 3 zones of pyrite.The pyrites are varied with trace element.Combined the preexisting results of researches with analysis of the typomorphic Co/Ni,S/Se and Au/Ag ratio the hdrothermal ore fluid is considered to be related to deep source fluid.

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Available abstract

Researches of optical microscopy,SEM ICP-MS on morphology,geochemistry and other typomorphic characteristics of various pyrites show 5 types of pyrite in Shuiyindong gold deposit,i.e.strawberry pyrite,coarse grain pyrite,fine grain pyrite,bio-detrital pyrite and colloidal pyrite.The fine garained hydrothermal,bio-detrital and colloidal types are better in their auriferous property.In the ore-forming process ore materials were varied and environment unrest leading to multi-rings of the hydrothermal pyrite,i.e 3 zones of pyrite.The pyrites are varied with trace element.Combined the preexisting results of researches with analysis of the typomorphic Co/Ni,S/Se and Au/Ag ratio the hdrothermal ore fluid is considered to be related to deep source fluid.

Key concepts: Pyrite, Geology, Hydrothermal circulation, Mineralogy, Geochemistry, Grain size, Trace element, Geomorphology

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TYPOMORPHIC CHARACTERISTICS OF PYRITE FROM SHUIYINDONG GOLD DEPOSIT IN GUIZHOU PROVINCE — Research Paper | ScholarLens