New geodynamics: geosyncline plate tectonics
D.G. Kushnir
Abstract
Open-access reader
D.G. Kushnir
Abstract
Open-access reader
For the first time, on the basis of the data set of the Taimyr geophysical site, the processes that cause vertical oscillatory movements of large blocks of the continental crust and largely determine its deep structure are confidently recorded. In this regard, the conceptual apparatus of plate tectonics is being expanded due to terms that were not originally used for it, previously used within the framework of geosyncline theory. Modern geodynamics combines concepts opposed in the past, thereby forming a conceptually new geosyncline plate tectonics. Under the new paradigm, the oil and gas prospects of an area are determined not so much by its confinement to a geostructure of any age, as by the current stage of the geosyncline cycle, characterized by subsidence, active sedimentation processes and formation of a sedimentary basin or, conversely, orogenesis and dominant erosion of sediments. Thus, one or another scenario will cause a different inflow of hydrocarbons from the generation area, which means that regional tectonic movements largely predetermine the realization of the hydrocarbon potential, making them one of the most important criteria for its assessment.
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For the first time, on the basis of the data set of the Taimyr geophysical site, the processes that cause vertical oscillatory movements of large blocks of the continental crust and largely determine its deep structure are confidently recorded. In this regard, the conceptual apparatus of plate tectonics is being expanded due to terms that were not originally used for it, previously used within the framework of geosyncline theory. Modern geodynamics combines concepts opposed in the past, thereby forming a conceptually new geosyncline plate tectonics. Under the new paradigm, the oil and gas prospects of an area are determined not so much by its confinement to a geostructure of any age, as by the current stage of the geosyncline cycle, characterized by subsidence, active sedimentation processes and formation of a sedimentary basin or, conversely, orogenesis and dominant erosion of sediments. Thus, one or another scenario will cause a different inflow of hydrocarbons from the generation area, which means that regional tectonic movements largely predetermine the realization of the hydrocarbon potential, making them one of the most important criteria for its assessment.
Key concepts: Geosyncline, Geodynamics, Geology, Plate tectonics, Tectonics, Paleontology, Flysch, Continental crust