New data on the structure of Permian-Triassic Complex of the Ustyurt Plateau, Uzbekistan

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• 作者：N. A. Krylov ; A. Ya. Grizik
• 关键词：Ustyurt ; Permian ; Triassic ; transitional complex ; paleostructure ; fault ; paleorift ; taphrogen ; inversion
• 刊名：Geotectonics
• 出版年：2015
• 出版时间：July 2015
• 年：2015
• 卷：49
• 期：4
• 页码：291-301
• 全文大小：2,115 KB
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  2.T. L. Babadzhanov, A. E. Abetov, and V. V. Rubo, “New ideas in regional tectonics and petroleum potential of intermediate structural stage in the platform territory of Uzbekistan- Uzbek. Geol. Zh., No. 1, 29-8 (2001).
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  6.A. Ya. Grizik, N. G. Ivanova, N. A. Krylov, E. V. Yudina, and V. V. Rybal’chenko, “Main tectonic features of the Permian-Triassic complex of the eastern Ustyurt in connection with assessment of its petroleum resource potential- in Petroleum Geology (Geoinformmark, Moscow, 2010), Part 3, pp. 11-8.
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  10.N. A. Krylov and A. I. Letavin, “Tectonics of the Permian-Triassic complex in western Central Asia and its structural position- in Geology and Petroleum Potential of the Epi-Hercynian Platform in the Southern USSR (Nauka, Moscow, 1966), pp. 121-32.
  11.M. Kay, North American Geosynclines, Vol. 48 of Geological Society of America Memoir (Geol. Soc. Am., 1951).
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  13.A. I. Letavin and N. A. Krylov, “Transitional complex of the Pre-Caucasian region- Dokl. Akad. Nauk SSSR 125 (4), 1133-136 (1959).
  14.A. I. Letavin, Taphrogenic Complex of Young Platform in the Southern USSR: Tectonics, Formations, and Petroleum Potential, (Nauka, Moscow, 1978) [in Russian].
  15.V. N. Sobolevskaya, “Stages of tectonic evolutions of the protected epi-Paleozoic plates- in Young Platforms, Their Tectonics, and Perspectives of the Petroleum Potential, (Nauka, Moscow, 1965), pp. 207-16 [in Russian].
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• 作者单位：N. A. Krylov (1)
  A. Ya. Grizik (1)
  
  1. Russian Research Institute of Natural Gases and Gas Technologies (Gazprom VNIIGAZ), VNIIGAZ, pos. Razvilka, Leninskii raion, Moscow oblast, 142717, Russia
  
• 刊物主题：Structural Geology;
• 出版者：Springer US
• ISSN：1556-1976

文摘

The tectonic features of the Permian-Triassic Complex in the Ustyurt Plateau are considered on the basis of up-to-date seismic exploration methods against the background of a regional structural review. The peculiar structural style of the complex under consideration is characterized by the following attributes: the widespread Permian-Triassic faults that control block tectonics; the leading role of grabens various in morphology among negative paleostructures; the critical role of pre-Upper Permian rejuvenated faults in localization of grabens; the predominant extension of the Earth’s crust during origin and development of grabens and subsequent shortening; the appearance of an inversion of the Permian-Triassic graben, deepest in region; the posthumous local uplifts formed in Permian-Triassic and Jurassic-Cenozoic. The morphological typification of graben-like paleotroughs of the transitional stage has been proposed. This stage predates typical platform regime at the young platforms.