Geological Features and Metallogenic Conditions of the Yazha Gold Deposit in Qinghai County, Qumalai Province

LIU Jiangfeng; WANG Liwen; LIU Huiwen; LIU Changcai; LI Jiacairang

Northwestern Geology > 2016 > 49(4): 179-188.

LIU Jiangfeng, WANG Liwen, LIU Huiwen, et al. Geological Features and Metallogenic Conditions of the Yazha Gold Deposit in Qinghai County, Qumalai Province[J]. Northwestern Geology, 2016, 49(4): 179-188.

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Geological Features and Metallogenic Conditions of the Yazha Gold Deposit in Qinghai County, Qumalai Province

Qinghai Nuclear Industrial Geology Bureau, Xining 810008, Qinghai, China

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Received Date: February 04, 2016
Revised Date: April 27, 2016
Available Online: July 28, 2022
Published Date: December 04, 2016

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Abstract

After discussing the geological background of the Yazhaqu gold deposit and summarizingits geological characteristics, the author believes that the argillaceous slate and sandstone in Qingshuihe Formation of Triassic Bayanhar group serve as the ore-bearing rocks and the NWW fractures control the formation of this deposit. The exposed results of trench works show that the obvious tawny limonitization, silicification, chloritization and epidotization occurred in local mining area are beneficial to the formation of this gold deposit. The strata along Yazhaqu-Zhesainajiu area are composed of clay and sandy clastic rocks, mixing with a small amount of fine conglomerate and carbonate rock, which belongs to a set of turbidite facies flysch construction that formed in foreland basin. And the "Bouma sequence" is not completely developed in these strata, in which the mud debris andcarbon-bearing rock layer contain abundance gold, with strata and tectonic conditions for mineralization. Thus, this area has great potential to prospect the tectonic altered rock type gold deposit.
- Yazhaqu,
- gold deposit,
- geological feature,
- mineralization condition

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Geological Features and Metallogenic Conditions of the Yazha Gold Deposit in Qinghai County, Qumalai Province

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