Abstract
➁Wu Genyao, 1993, Journal of Stratigraphy, 17(4): 302–309 ➂Laochang in Lancang County, Yunnan Province ➃For volcanic rocks ➄Late Permian-Early Triassic ➅Synonymous with Yiliu Formation.
Keywords
Yunnan Province Late Ordovician Guangxi Zhuang Autonomous Region Regional Geological Survey Carbonaceous Mudstone
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© Higher Education Press, Beijing and Springer-Verlag Berlin Heidelberg 2009