The biostratigraphic conundrum of Siberia: Do true Tonian-Cryogenian microfossils occur in Mesoproterozoic rocks?

Sergeev, VN; Vorob'eva, NG; Petrov, PY

Sergeev, VN (reprint author), Russian Acad Sci, Geol Inst, Pyzhevskii Per 7, Moscow 119017, Russia.

PRECAMBRIAN RESEARCH, 2017; 299 ( ): 282

Abstract

Abundant and diverse microfossils from shales of the 1500-Ma-old Ust'-Il'ya Formation in northern Siberia document early Mesoproterozoic life along th......

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