2009•Gansu GeologyRequires access

ORE-CONTROL FACTORS AND PROSPECTING CRITERIA OF NO. 4 ORE ZONE OF MAQUAN GOLD DEPOSIT IN GANSU PROVINCE

Heping Zhang

Abstract

No.4 ore zone of Maquan gold deposit exists within the granite zone in the middle part of west Qinling of Qinling orogenic belt,belong to the west section of Gaoqiao-Taoping Faults.Analysis of deposit characteristics show that metallogenetic material came from the strata,most the source metallogenetic solution was meteoric water,and a little of them was metamorphic water.The paper summarized ore control factors,alteration of wall rock,criteria for prospecting,and support that the deposit is middle-low hydro-thermal type gold deposit.

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Key concepts: Prospecting, Geology, Geochemistry, Mining engineering, Metamorphic rock, Meteoric water, Gold ore, Hydrothermal circulation