Sequence stratigraphy is a technique used to subdivide the sedimentary section into packages that are defined by bounding unconformities and internal surfaces, and are the products of changes in relative sea level and rates of sedimentation. Sequence stratigraphic analyses are made from seismic cross-sections, well logs, and outcrop studies of sedimentary rocks to infer changes of relative sea level and rates of sedimentation, and predict the continuity and extent of their lithology. This University of South Carolina website provides: animated cartoons demonstrating how gross sedimentary geometric relationships develop in response to varying rates of change of sedimentation, eustasy, and tectonic movement; movies of sedimentary simulations; video narration; films on location; 3D perspectives; simple interactive exercises on chronostratigraphy; fact sheets on world petroleum; historical perspectives about stratigraphy; the potential to simulate the development of geometric relationships on-line; links; references; and on-line papers.
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