作者单位:冶金部天津地质研究院,冶金部天津地质研究院,冶金部天津地质研究院,冶金部天津地质研究院,Key Centre for Strategic Mineral Deposits,Department of Geology&Geophysics,University of Western Australia.Nedlands,Key Centre for Strategic Mineral Deposits,Department of Geology&Geophysics,University of Wester