Geochemical research
Section editor – PhD in geology and mineralogy Bazhenova T.K.
Article # 17_2014
22 p.
pdf  Petroleum basins of the South Atlantic: development stages, structure and hydrocarbon potential
Sedimentary basins of the continental margins of the central part of West Africa and Southeast Brazil formed by the common scenario on the background of the disclosure of the southern segment of the Atlantic Ocean. The similarity of basins represented in structural styles, composition of lithologic and stratigraphic filling, high quality of petroleum source strata, biomarker composition of oils, similar stratigraphic range of petroleum potential horizon and hydrocarbon resources. The differences related to local features of halo-kinesis, different time of progradations and erosions, especially active during final stage of basins development. At the same time many Mesozoic structures and faults reactivated, the number of anticlinal traps increased, the conditions of oil and gas formation and accumulation, which also covered the continental slope, improved significantly.

Keywords: structural style, petroleum potential horizon, petroleum source strata, biomarker composition of oils, halo-kinesis, progradation, South Atlantic.
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