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

被引:0
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作者
刘武旭
M.F.THIRLWALL
机构
[1] Changchun University of Earth Sciences
[2] University of London
[3] UK
[4] PRC
[5] R. H. B. New College
[6] Geology Department
[7] Changchun 130026
关键词
gneiss; early Archaean; Pb-Pb isochron;
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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 two
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页码:1373 / 1375
页数:3
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