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Abstract The up to 3000 m thick Mesoproterozoic and Neoproterozoic sedimentary succession exposed at the southern border of the Sao Francisco Craton, Sao Joao del Rei region (southern Minas Gerais State,… Click to show full abstract
Abstract The up to 3000 m thick Mesoproterozoic and Neoproterozoic sedimentary succession exposed at the southern border of the Sao Francisco Craton, Sao Joao del Rei region (southern Minas Gerais State, Brazil), records the stacking of five sedimentary basins. These basins evolved due to multiple rifting episodes related to the southernmost Espinhaco rift system and were deformed around 600 Ma during the evolution of the Ribeira Orogen. These basins are the 1- Sao Joao del Rei Basin with quartzite units with maximum depositional age of ca. 1.5 Ga preserved in a half graben associated to the younger rift phases, 2- Carandai Basin with rift related fault bounded debris flow deposits with maximum depositional age of ca. 1.38 Ga, and a sag carbonate infill recording the post-rift thermal relaxation, 3- Prados Basin, an NE-SW aulacogen linked to the passive margin Andrelândia Basin (
Journal Title: Journal of South American Earth Sciences
Year Published: 2021
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