Santos Basin continental shelf morphology, sedimentology, and slope sediment distribution

The ocean bottom morphology, depth, sediment grain size, sorting, carbonate content, and water depth are used to compose seafloor maps as support for biological studies. Sediments reworked by waves currents accumulate according the hydrodynamic level on continental shelf. In contrast, sediments accumulated pelagic settling, mass wasting, turbidity flows, boundary slope. Sea oscillations during Quaternary also played an important role in modifying shelf seabed's morphology sedimentary mosaic composition. work addresses these topics Santos Basin based extensive bathymetric data, shallow seismic records, stratified samples depths ranging from 25 2,400m, part of Regional Environmental Characterization Project (PCR-BS). main objective is provide broad background information sedimentology Basin, focusing supply, orientation, climate imprint Basin's characteristics. Northern sector most dynamic because narrow shelf, steep gradient, East-West shoreline providing conditions storm approach mobilize than 50 m depth. Southern much broader sector; it displays a gentler its orientation Northeast-Southwest; therefore, less subject sector.