AI Yu~ ),ZHANG Zhaochong~ ),WANG Fusheng~ ),HAO Yanli~ ),ZHAO Li~ ),YANG Tiezheng~ ) ) State Key Laboratory of Geological Processes, Mineral Resources, China University of Geosciences, Beijing,) Institute of Geology, Chinese Academy of Geo.2006. Trace Element and Sr-Nd-Pb-O Isotopic Systems of the Panzhihua Layered Gabbro Intrusion: Constraints on the Mantle Source Regions and Origin of V-Ti-Fe Oxide Deposit[J]. Acta Geologica Sinica,80(7):995-1004