Metamorphic temperatures and pressures of the Archean Miyun Group have been determinad by using orthopyroxene-clinopyroxene garnet-clinopyroxene, garnet-biotite
This paper reviews the features of several tungsten ore deposits in southern China, including the Shezhuyuan, Yaogangxian, Xihuashan, Danping, Yiatang and Dajis
In order to understand the origin of metal spherical minerals in the Okinawa Trough sediments, the authors have microscopically examined 215 samples (161 surfac