Geology,geochemistry and genesis of Lashuixia Ni-Cu deposit,Qinghai province,China

摘要

1 INTRODUCTIONThe mineralization rate is approximately 90％ at Lashuixia Ni-Cu deposit,Hualong,Qinghai province (Li W.Y.,2006).It is a middle high-grade Ni-Cu deposit,which is located in the Hualong mafic-ultramafic rock belt.The Hualong belt is 160km long and 20 km wide,located in the Southern Qilian Mountains with 32 mafic-ultramafic intrusions.