Oligocene stratigraphy across the Eocene and Miocene boundaries in the Valley of Lakes (Mongolia)
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Cenozoic sediments of the Taatsiin Gol and TaatsiinTsagaan Nuur area are rich in fossils that provide unique evidence of mammal evolution in Mongolia. The strata are intercalated with basalt flows. 40Ar/39Ar data of the basalts frame the time of sediment depos... ...
