2010•Gansu GeologyRequires access

METALLOGENETIC MODEL OF NANJINSHAN VOLCANIC GOLD DEPOSIT IN GANSU

Zhang Fa-rong

Abstract

Through analyzing ore bearing bed,ore-control structure,intrusive rock,source of ore,migration of ore bearing hydrothermal solution,emplacement occurrence of ore body,and ore-forming process of gold deposit in Nanjinshan Mountain,it suggests that the gold mineralization are controlled by ore bearing formation,magmatic activity and structural control.The paper summarized the main metallogenetic factors and the metallogeny of typical deposit,therefore,established the metallogenic model of model volcanic sedimenting gold deposit in Nanjinshan mountain,which will be the guidance to prospecting and prediction.

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Key concepts: Metallogeny, Geology, Prospecting, Mineralization (soil science), Geochemistry, Volcano, Hydrothermal circulation, Gold ore