During the years of 1869-1870 von Richthofen~1 first studied the geologyof Kwangtung province.His journey was,however,only confined to atraverse route along the North River from Sanshui,Chüchiang to Hunan province.The geology of the West River districts w
HSICHIH CHANG.1933. ON THE DISCOVERY OF THE GRAPTOLITE-SHALE FROM LIENTAN, YüNAN DISTRICT IN KWANGTUNG PROVINCE AND ITS STRATIGRAPHIC CORRELATION[J]. Acta Geologica Sinica(),12(0):