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SHRIMP U-Pb Zircon Geochronology of a Carboniferous Quartz-Diorite in Baiyingaole Area, Inner Mongolia and Its Implications

BAO Qing-zhong1,ZHANG Chang-jie1,WU Zhi-li2,WANG Hong1,LI Wei1,SANG Jia-he2,LIU Yong-sheng2   

  1. 1.Shenyang Institute of Geology and Mineral Resources，China Geological Survey，Shenyang 110032,China;2.Inner Mongolia Exploration Institute of Geology and Mineral Resources, Hohhot 010010,China
  • Received:2006-05-14 Revised:1900-01-01 Online:2007-01-26 Published:2007-01-26
  • Contact: BAO Qing-zhong

Abstract: There are great bifurcations as yet on the structural environment and on the evolution of the Xingmeng Paleozoic orogenic belt in Southeast Inner Mongolia during the Carboniferous Period. Large number of intermediateacidic intrusions or dykes were found in the Xilin Gol complex and its margin. The intrusive rocks trend NE-NEE, are closely related to the Xinlin Gol complex in space and are mainly quartz-diorite and quartz-biotite-diorite. Quartz-diorite was selected and tested to be (313±5) Ma to (323±4) Ma, falling into the range of later Carboniferous Period. This age affirmance is of great significance for studying the geological evolvement in Carboniferous-Permian period in Xingmeng Paleozoic orogenic belt.

Key words: Baiyingaole area, Carboniferous Period, quartz-diorite, SHRIMP U-Pb age of zircon

CLC Number: 

  • P597.3
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