DISCOVERY OF VITROCLASTIC ASH AND MINERALS OF LOW-TEMPERATURE HYDROTHERMAL ALTERATION OF YANGSHAN KAOLIN DEPOSIT,SUZHOU, AND NEW UNDERSTANDING OF ITS GENESIS
In the study of the so-called Suzhou clay of the filling karst cavern in Yang-shan kaolin deposit, some new evidences have been found.
1. The minerals and texture related to the recovery of the primary rocks include apatite of magmatic type .pseudomorphic feldspar, high-temperature quartz, vitroclastic ash, varieties of litharenites and strange shape of breccia. The Baishanling kaolin deposit contains few apatites which are long prisms with well-developed prismatic, pyramidal and top surfces. There...