2.3 Ga Magmatism and 1.94 Ga Metamorphism in the Xiatang Area, Southern Margin of the North China Craton — Evidence from Whole-rock Geochemistry and Zircon Geochronology and Hf Isotope

详细信息   

• 责任者：Huang Daomao (China University of Geoscienees ; Beijing 100083 ; China) ; Zhang Dehui
• 刊名：Geological Review
• 出版年：2012
• 卷期：58(3)
• 关键词：片麻岩 ; gneisses ; 岩石地球化学 ; lithogeochemistry ; 华北平原 ; North China Plain
• 页码：p.565-576
• 图表：5 illus., 4 tables, 25 refs.
• 分类号：0802
• issnNo：ISSN0371-5736
• isbnNo：CN11-1952/P

摘要

This paper reports whole-rock geochemistry and zircon geochronology and Hf isotope of gneissic granite and biotite-amphibole-plagioclase gneiss from the Xiatang area, southern margin of the North China Craton. They occur in Mesoproterozoic granite as enclaves. The gneissic granite shows anatectic features. Combined with early researches, the conclusions can be arrived at that 1 ） there is a huge about 2.3 Ga rock distribution area in western Henan Province, southern margin of the North China Craton, and 2） the Trans-North China Orogen shared similar Late Paleoproteorzoic tectono-thermal evolution to the Khondalite belt in the northwestern North China Craton.