GEOLOGICAL CHARACTERISTICS AND GENESIS OF THE JINSHANGOU GOLD DEPOSIT,XINJIANG

Located in the Laojunmiao area of Qitai County,Xinjiang,the Jinshangou gold deposit occurs in continental volcanic rocks of the Batamayineishan Formation.The ore zone and orebodies are controlled by circular and radial fractures of volcanic edifices and the late-superimposed NE-trending fracture-fissure system.So far totally 13 orebodies have been found.These orebodies are from 200 to 480 meters in length and 2.5 to 5.8 meters in width.The grades of various orebodies vary from 0.92×10^-6 to 17.80×10^-6.The mineralizing types include gold bearing welded tuff type,gold-bearing altered rock type and gold-bearing quartz vein type.