The regional stratigraphy composed mainly of pre-Sinian gneisses migmatizationized to raring extent. Basic complexes, consisting largely of anorthosite andmeasuring more than 40 km in length and 2 to 9 km across, empl...The regional stratigraphy composed mainly of pre-Sinian gneisses migmatizationized to raring extent. Basic complexes, consisting largely of anorthosite andmeasuring more than 40 km in length and 2 to 9 km across, emplaced along a E--W trending fault zone. Most of the ore bodies occur within the anorthosite. The principal ore minerals include: Ti-magnetite, ilmcnite, oysanite, futile, pyrite, pyrrhotite, chalcopyrite, linnaeite, Ni-bearing linnaeite, [(Ni, Co)3 S4], millerite, and cubanite. Mode of occurrence has been confirmed by phase analyses for Fe, Ti, V,Co, Ni and other elements. It is proposed that step-wise grounding will be beneficial to raising the grade of Ti concentration, reducing Ti content in Fe concentration as well as to the recovery of Co, Ni and other elements. The validity of this process has been justified by encouraging resutls.展开更多
文摘The regional stratigraphy composed mainly of pre-Sinian gneisses migmatizationized to raring extent. Basic complexes, consisting largely of anorthosite andmeasuring more than 40 km in length and 2 to 9 km across, emplaced along a E--W trending fault zone. Most of the ore bodies occur within the anorthosite. The principal ore minerals include: Ti-magnetite, ilmcnite, oysanite, futile, pyrite, pyrrhotite, chalcopyrite, linnaeite, Ni-bearing linnaeite, [(Ni, Co)3 S4], millerite, and cubanite. Mode of occurrence has been confirmed by phase analyses for Fe, Ti, V,Co, Ni and other elements. It is proposed that step-wise grounding will be beneficial to raising the grade of Ti concentration, reducing Ti content in Fe concentration as well as to the recovery of Co, Ni and other elements. The validity of this process has been justified by encouraging resutls.
