3563 Ma Pb-Pb WHOLE-ROCK ISOCHRON FROM GRANULITE FACIES GNEISSES OF EASTERN HEBEI, CHINA  

作　　者：刘武旭 M.F.THIRLWALL 

机构地区：[1]Geology Department, Changchun University of Earth Sciences, Changchun 130026, PRC [2]Geology Department, R. H. B. New College, University of London, UK

出　　处：《Chinese Science Bulletin》1992年第16期1373-1375,共3页

摘　　要：A detailed mapping work has revealed that the studied Santunying area, which is about 500 km^2, is dominantly composed of three granulite facies plutonic gneisses, Santunying gneiss, Xiaoguanzhuang gneiss, both Q-dioritic in composition, and Qiuhuayu gneiss with tonalitic-trondhjimatic geochemistry. The Santunying gneiss, cut by the other

关 键 词：GNEISS early ARCHAEAN PB-PB isochron. 

分 类 号：N[自然科学总论]