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Stratigraphy
Sakmarian
Belongs toCisuralian
Typechronostratigraphy
RankStage
Scopeglobal
Statusproposed unit
AuthorRuzhenzev
Year1936
EtymonSakmara river, Volga Federl District, Russia
Age top (Ma)290.1
Age base (Ma)293.52
Date added2003-04-03
Date changed2022-11-04
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