Carbonate chemostratigraphy of the Vazante Group, Brazil: A probable Tonian age

Carlos J.S. Alvarenga,Gustavo D. Oliveira,Lucieth C. Vieira,Roberto V. Santos, Marcos C. Baptista,Elton L. Dantas

Precambrian Research（2019）

引用 14|浏览9

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摘要

•The Re/Os age of the Vazante Group are debated due to the absence of robust data.•δ13C, δ18O and 87Sr/86Sr stratigraphy of the Vazante Group, probable Tonian age.•Possible VSMs and 87Sr/86Sr values suggest a Tonian age for the Vazante Group.

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关键词

Carbon isotope,Vase-shaped microfossils,Strontium isotope,Neoproterozoic,Dolomite,Brasilia Belt

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