➁No.10 Element of Xinjiang Regional Geological Survey Team, 1978, Explanatory Text for 1∶200 000 Scale Geological Map: Shichang Sheet ➂A’erbasayi in Baiyanggou area of southern Shawan County, Xinjiang Uygur Autonomous Region ➃Volcano-clastic rock with interbeds of purple conglomerate, felsitic porphyry, quartz porphyry, tuffite and andesite intercalated with rhyolitic porphyry ➄Early Permian.


Middle Devonian Geological Publishing Mongolia Autonomous Region Quartz Porphyry Geology Team 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Copyright information

© Higher Education Press, Beijing and Springer-Verlag Berlin Heidelberg 2009

Personalised recommendations