Daanzhai limestone in the Szechuan Basin consists of biosparite, biomicrite and micrite, with intercalations of black shales. Daanthai limestone is of lake orig
Typomorphic characteristics of ore minerals are discussed from a theoretical approach,examplified by studies on wolframite,chalcopyrite,pyrite,pyrrhotite,marmat
Widespread in Southern Xizang are intermediate-acidic rocks characterized by their regular distribution in space and time. In order to explore their formation a
More than 50 kinds of accessory minerals have been diseovered in 13 plutons along the Kangdese, Lhagoi Kangri and Himalaya petrographical belts. The features of