➀Airgin Sum Group ➁No.1 Inner Mongolia Regional Geological Survey Team, 1980, Explanatory Text for 1∶200 000 Scale Geological Map: (?) Sheet ➂Airgin Sum, Siziwan Banner, Inner Mongolia Autonomous Region; ➃Quartz-schist intercalated with marble, meta-crystalline tuffite intercalated with schist and slate ➄Sinian.


Early Carboniferous Mongolia Autonomous Region Stratigraphic Scale Chief Editor Regional Stratus 
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© Higher Education Press, Beijing and Springer-Verlag Berlin Heidelberg 2009

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