Abstract

Sequence stratigraphy is the scientific study of rock relationships using a repetitive and genetically geochronologic sequence stratigraphic framework, which is demarcated by an erosion surface, a non-sedimentation surface, or a correlative conformity surface. It is a new approach for dividing, contrasting, and analyzing sedimentary strata. When combined with biostratigraphy and tectonic subsidence analysis, it enhances the feasibility of chronostratigraphic correlation, paleogeographic reconstruction, and prediction of petroleum reservoirs, source rock, and seal bed before drilling. The application of sequence stratigraphy to sedimentary strata can potentially provide a complete and unified stratigraphic concept, similar to the complete and unified structure concept for plate tectonics. Moreover, sequence stratigraphy has changed the fundamental principle for stratigraphic record analysis and started a new stage in understanding the history of the Earth. As a result, it triggered a revolution in geology in the 1980s.

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