Abstract:This work studies the Buracica Stage (Barremian, Early Cretaceous) in the Recôncavo Basin, Bahia State (N.E. Brazil), comprising the São Sebastião and Pojuca formations, from the analysis of 143 well logs and outcrop records. The Recôncavo Basin is a rift basin associated with the beginning of the South Atlantic Ocean. The basin started with very slow subsidence rates, leading to the formation of shallow lakes and the deposition of shales and sandstones, which compose the Brotas Group; later, subsidence accele… Show more
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