The Cenozoic formations in the Peter the Great Gulf, Japan Sea and on its shores: Indicators of a polygenic continent–ocean transition zone

The Cenozoic formations in the Peter the Great Gulf, Japan Sea and on its shores: Indicators of a polygenic continent–ocean transition zone

The Cenozoic formations in the Peter the Great Gulf in the Japan Sea and on its shores are part of the activated cover (Triassic to Neogene) of a young platform. They reflect the Cenozoic destruction of continental crust accompanied by active basaltoid magmatism and by transformation of this crust i...

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Bibliographic Details
Published in:Journal of volcanology and seismology Vol. 9; no. 5; pp. 307 - 318
Main Authors: Izosov, L. A., Bessonova, E. A., Li, N. S., Ogorodnii, A. A., Zverev, S. A.
Format: Journal Article
Language:English
Published: Moscow Pleiades Publishing 01-09-2015
Springer Nature B.V
Subjects:
Cambrian
Cenozoic
Continental crust
Earth and Environmental Science
Earth Sciences
Geochemistry
Geological time
Geology
Geophysics/Geodesy
Mineral resources
Miocene
Neogene
Paleogene
Paleozoic
Plate tectonics
Pliocene
Sedimentary basins
Shores
Transition zone
Triassic
Volcanology
INW, Japan Sea
Brown Coal
Late Miocene
Miocene
Sandstone
Middle Miocene
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Summary:The Cenozoic formations in the Peter the Great Gulf in the Japan Sea and on its shores are part of the activated cover (Triassic to Neogene) of a young platform. They reflect the Cenozoic destruction of continental crust accompanied by active basaltoid magmatism and by transformation of this crust into marginal-sea crust in the near-continental part of the polygenic (Late Cambrian to Cenozoic) Japan-Sea transition zone from continent to ocean. The Cenozoic formations notably include an industrial coal-bearing and a potentially hydrocarbon-bearing group of Paleogene and Early to Middle Miocene formations, as well as a potentially diamond-bearing Late Miocene to Pliocene formation. The existence of these formations shows that continent–ocean transition zones have potential for these mineral resources. The accumulation of industrial coal-bearing Cenozoic formations seems to have occurred in a connected extensive sedimentation basin that was overlain by Paleozoic tectonic blankets, while the evolution of potentially diamond-bearing pipes that are akin to kimberlites occurred during a powerful phase of tectonomagmatic activation.
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ISSN:0742-0463
1819-7108
DOI:10.1134/S074204631505005X