A number of issues discussed in Sequence stratigraphy of continental rift basins
LI Qiu-yua
Abstract
LI Qiu-yua
Abstract
When sequence stratigraphy originated from the passive continental margin applied to the meso cenozoic continental rift basin in eastern China,having encountered many phenomenons that different from marine sequence stratigraphic model,such as the controlling factors of continental sequence stratigraphy formation,spin echo and allocyclicity,system tract,the difference between lithostratigraphy and sequence stratigraphy.Author holds that tectonic subsidence and climate are the factors of controlling continental sequence formation,which are reflected out from lake level's relative change.By the elaborate single phase analysis not only is one of the important method that identifying the spin echo's phenomenons in the allocyclicity,but also is the important method of solving continental sequence stratigraphy dividing multiplicity.When continental rift basin proceeding system tract's division,the case of with or without fault slope break should be considered and analysising different conditions of the basin which has fault slope break.There are both difference and connection in the sequence stratigraphy and lithostratigraphy,but sequence stratigraphy's interface has relative isochronism.
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When sequence stratigraphy originated from the passive continental margin applied to the meso cenozoic continental rift basin in eastern China,having encountered many phenomenons that different from marine sequence stratigraphic model,such as the controlling factors of continental sequence stratigraphy formation,spin echo and allocyclicity,system tract,the difference between lithostratigraphy and sequence stratigraphy.Author holds that tectonic subsidence and climate are the factors of controlling continental sequence formation,which are reflected out from lake level's relative change.By the elaborate single phase analysis not only is one of the important method that identifying the spin echo's phenomenons in the allocyclicity,but also is the important method of solving continental sequence stratigraphy dividing multiplicity.When continental rift basin proceeding system tract's division,the case of with or without fault slope break should be considered and analysising different conditions of the basin which has fault slope break.There are both difference and connection in the sequence stratigraphy and lithostratigraphy,but sequence stratigraphy's interface has relative isochronism.
Key concepts: Sequence stratigraphy, Geology, Paleontology, Lithostratigraphy, Continental margin, Rift, Sequence (biology), Stratigraphy