Geological characteristics and prospecting criteria of Tuanshan Au-Cu deposit in Kongquegou area of South Tianshan in Xinjiang
Although the metallogenic geological conditions are superior in South Tianshan area of Xinjiang,the prospecting work has not achieved a great breakthrough.Tuanshan Au-Cu deposit was newly developed with me-dium potential resources in Kongquegou area of South Tianshan since new breakthroughs in critical mineral explo-ration were implemented.The geological environment,orebodies distribution,ore characteristics and genetic char-acteristics of Tuanshan Au-Cu deposit were expounded in detail on the basis of the comprehensive regional metal-logenic regularity and the latest progress of ore prospecting.Tuanshan Au-Cu deposit is located in the tectonic superposition area of NWW Kongquegou faults and NE faults in late stage,and the ore-bearing strata is low-grade metamorphism sand in Kongquegou Formation of Upper Silurian.There are 15 mineralization alteration zones,and 13 ore bodies of Au and Au-Cu.The average grade of Au is 0.93 g/t,and the average grade of Cu is 0.66％,with the average thickness of 3.54 m.The genetic type belongs to a mediuin-low temperature hydro-thermal gold-copper deposit,and there is a great potential for copper and gold exploration in deep through sor-ting out regional background,ore-controlling elements,geophysical and geochemical prospecting indicators.The research results expanded a new space for gold exploration in Kongquegou Formation of Upper Silurian and could provide some references for regional mineral exploration.
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