| Kendekeke Fe-Au polymetallic deposit is rich in Co , Bi, Ag , Pb , Zn , Cu ,Cd and others metal. The structural situation is located in the southern of Chaidamu paraplatform and western of the volcanic-intrusiv zone in north Kunlun, and the orebodies are lie in muddy and siliceous rock from Tanjianshan Group. Pass Fe and Au, Co, Bi deposit reconnaissance, we find out the conformation, dimensions, attitude , quantity, space distributing and its correlation. In the first time, we block out Co-Bi industry orebodies in the deposit, and find out the relation of Fe with Au, Co, Bi orebodies.In the deposit, we block out the main 53 magnetite orebodies, the ore-reserves is 6668.52 ten thousand tons, the average grade is 34.12%; The copper ore-reserves is 711 tons, its average grade is 0.91%; The lead ore-reserves is 58350 tons, average grade is 0.98%; And the zinc ore-reserves is 30437 tons, average grade is 1.28%.In the deposit, we block out 35 new Au-Co-Bi orebodies, and get 332+333+334 reserves: Au 10212.24 kg, average grade 4.43 g/t; Co 482.75 tons, average grade 0.095%, Bi 4457.98 tons, average grade 0.95%.By the large analysis and test, we think that the mother rock is the altered muddy and siliceous rock which come from hot water jet flow action; Through electron microprobe and phase analysis, we find out the characterize of occurrence and dissemination from the mineral.By REE analyze, REE patterns and curve-tapy of skarn and silica rock in Kendekeke deposit is very similar.We have a new recognize,' we think that it is a hot water sediment-overprint and reform deposit, the main occurrence ore rock is the upper ordovician aulacogen altered muddy and siliceous rock which come from hot water jet flow action; The main orebodies is among the blow of Tanjianshan Group, its are control with geostrome and structure, and one ore is relation on other ore in the space: Co , Bi, Pb, Zn, Ag and Cu ore is in the Fe ore upper part, lower part, and also in it with symbiosis (associate). |
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