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LocNo: 6143Jingyuan Fm. (Yang,Zheng & Liu,1983)
Country: China
Province: Ningxia, Zhongwei Co.
Locality: Zhongwei, Xiaoyuchuan
Layer: Jingyuan Fm. (Yang,Zheng & Liu,1983)
Lower Boundary: Kinderscoutian--Marsdenian [KIN--MRD], 315 million years
Upper Boundary: Marsdenian--Yeadonian [MRD--YEA], 313.8 million years
Georeference: