Genesis of the Bafangshan-Erlihe Zn-Pb-Cu deposit in the Fengxian-Taibai ore cluster, west Qinling, China: Evidence from ore geology and ore-forming fluids

摘要

The Bafangshan-Erlihe large Zn-Pb-Cu deposit is located in the northern part of the Fengxian-Taibai (abbr. Fengtai) ore cluster, west Qinling orogen, whose genesis remains controversial, and the viewpoints can be summarized in two leading models: a SEDEX or sedimentary-reformed deposit model, and an epigenetic hy-drothermal deposit model. In this work, detailed observations of deposit geology and systematic study of ore forming fluids have been carried out to provide a further understanding of the ore genesis.