Scientists of the Faculty of Geology of Voronezh State University: Leonid T. Shevyrev

Savko, A. D.

doi:10.17308/geology.2022.1/9104

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“…These zircon dates go well together with the results earlier obtained from the elucidation of Rb-Sr and Sm-Nd isotope characteristics of the Lipetsk-Losev volcanoplutonic assemblage which evidence a juvenile source of crustal growing at that time [Shchipansky et al, 2007]. In later times at about 2.07 Ga large granitoid batholiths, differentiated compositionally from diorite through monzonite to normal granite, were emplaced along the boundary of the Lipetsk-Losev belt with the Archean crust of the Kursk block and entrained older crustal components in [Bibikova et al, 2009[Bibikova et al, , 2015Bogdanova et al, 2010Bogdanova et al, , 2021Savko et al, 2011Savko et al, , 2014Savko et al, , 2018Savko et al, , 2019Savko et al, , 2021Shchipansky et al, 2007;Terentiev et al, 2016Terentiev et al, , 2020Fedotova et al, 2019]).…”

Section: How the Volga-don Orogen Was Developedsupporting

confidence: 86%

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The Volga-Don Collisional Orogen in the East European Craton as the Paleoproterozoic Analogue of the Himalayan-Tibetan Orogen

Shchipansky

Хераскова

2023

Geodin. tektonofiz.

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The ca 2.0 Ga Volgo-Don fold-and-thrust belt, about 500 km in width and at least 600 km in length, covering an area of about 300000 square kilometers intervenes between the Archean Sarmatian and Volgo-Uralian proto-cratonic blocks of the East European Craton, both of which are coupled with 200–300 km thick sub-continental lithospheric mantle keels. The focus of this paper is the elucidation of its nature in order to answer the basic question how this and other thrust-and-fold belts could be formed in the Paleoproterozoic, and whether they are the same as or different from modern collision orogens. The active Himalayan-Tibet orogen is commonly thought of as the most extensively studied large, bi-verging fold-and thrust belt continental collision zone which may provide insight into key tectonic mechanisms for an understanding of orogenic processes in the Earth’s geological past. Precambrian orogens are tentatively perceived yet as something that was distinct from recent orogenic styles and was due to the initial elevated geotherm and higher radio-genic heat production in the early Earth.In this paper we report for the first time the revealation of the large, slightly eroded divergent Paleoproterozoic Volgo-Don orogen which is mostly composed of juvenile metasediments and comprises well-preserved patterns of the crustal orogenic architecture which are characteristic of the archetypal Himalayan-Tibet collisional orogen rather than of hot/ultra-hot Precambrian orogens based on numerical modeling.

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Section: How the Volga-don Orogen Was Developedsupporting

confidence: 86%

“…Fig.3. Time-space plot for the Volga-Don orogeny (after[Bibikova et al, 2009[Bibikova et al, , 2015Bogdanova et al, 2010Bogdanova et al, , 2021Savko et al, 2011Savko et al, , 2014Savko et al, , 2018Savko et al, , 2019Savko et al, , 2021Shchipansky et al, 2007;Terentiev et al, 2016Terentiev et al, , 2020Fedotova et al, 2019]). …”

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confidence: 99%

The Volga-Don Collisional Orogen in the East European Craton as the Paleoproterozoic Analogue of the Himalayan-Tibetan Orogen

Shchipansky

Хераскова

2023

Geodin. tektonofiz.

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Scientists of the Faculty of Geology of Voronezh State University: Leonid T. Shevyrev

Cited by 1 publication

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The Volga-Don Collisional Orogen in the East European Craton as the Paleoproterozoic Analogue of the Himalayan-Tibetan Orogen

The Volga-Don Collisional Orogen in the East European Craton as the Paleoproterozoic Analogue of the Himalayan-Tibetan Orogen

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