The Carrancas Formation, Bambuí Group: A record of pre-Marinoan sedimentation on the southern São Francisco craton, Brazil
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- 作者：Gabriel J. Uhleina ; c ; guhlein@gmail.com" class="auth_mail" title="E-mail the corresponding author ; Alexandre Uhleina ; Galen P. Halversonb ; Ross Stevensonc ; Fabrí ; cio A. Caxitoa ; Grant M. Coxb ; Jorge F.M.G. Carvalhod
- 关键词：Neoproterozoic ; Marinoan glaciation ; Isotope stratigraphy ; Keele peak ; Sã ; o Francisco craton ; Bambuí ; Group
- 刊名：Journal of South American Earth Sciences
- 出版年：2016
- 出版时间：November 2016
- 年：2016
- 卷：71
- 期：Complete
- 页码：1-16
- 全文大小：2111 K
文摘
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The Carrancas Formation (base of the Bambui basin) was deposited in a rift basin.
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A pre-Marinoan sedimentation is suggested for the Carrancas Formation.
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Carbon isotopic chemostratigraphy imply correlation with the global Keele peak.
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The Carrancas Formation correlates with the Tijucuçu sequence, in the Aracuaí belt.
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Cryogenian interglacial strata was not previously known on the São Francicso craton.