nucleus of continent
1.Based on the main achievements of regional geological survey in recent years, thepeculiar geological actions of Qinghai - Xizang Plateau from Archaeozoic Era to Cenozoic Era has beensummarized, such as the old continent-nucleus around Qaidum Basin, certain mian ophiolite melangebelts, five highultrahigh pressue metamorphic belts, various kinds of granites, and so on.
