Geological and geochemical character of Jinchanggou ore field in Ji'an region, Jilin

Deposits in the Jinchanggou ore field is mainly gold deposit, ore body and mineralized points are located in the inner and outer contact zone of intermediate acid complex rock body in Yanshan period. The character of geological and geochemical shows that the Jian Group metamorphic rocks with middling metamorphism, high grade gold and other metal elements. Intermediate acid complex rock body is formed by mixing of mantle magma and crustal material. The resource of mineralized materials is mantle and some crustal, gold is from metamorphic rocks and intemediate acid magmatic rock.