The preliminary study of the (albite) albitite from the Xiaoqingshan region, Huili, Sichuan

The preliminary study of the (albite) albitite from the Xiaoqingshan region, Huili, Sichuan has been made on the basis of petrology, petrochemistry and REE geochemistry. The occurrence of the albitite studied here is chiefly constrained by the geological structures and distributed along the fractures, and displays a symmetric zonation from centers to wall rocks. The replacement remnant textures are apparently visible in the rocks. The Q-mode cluster analyses suggest the complicated chemical compositions of the albitite, that may be correlated with phyllite and slate. The albitite from the study area is interpreted to have a hydrothermal replacement origin, and its primitive rocks consist of the Early Proterozoic Si and Al-rich low-grade metamorphic rock series, in which the copper (gold) deposits are hosted.