Northern Caucasus basin: thermal history and synthesis of subsidence models

Ершов, А. В.; Brunet, Marie-Françoise; Никишин, А. М.; Болотов, С.Н.; Nazarevich, B.P.; Korotaev, M.V.

doi:10.1016/s0037-0738(02)00284-1

Cited by 93 publications

(83 citation statements)

References 19 publications

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“…This disconformity was documented in the Western and Eastern Ciscaucasus, and in the Transcaucasus. These regional Upper Triassic disconformities are explained by the intense tectonic activity at the Triassic-Jurassic transition (Ershov et al, 2003).…”

Section: Tracing the Triassic Disconformities Within The Caucasus Andmentioning

confidence: 98%

Triassic synthems of southern South America (southwestern Gondwana) and the Western Caucasus (the northern Neotethys), and global tracing of their boundaries

Ruban

Zerfass

Pugatchev

2009

Journal of South American Earth Sciences

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Section: Tracing the Triassic Disconformities Within The Caucasus Andmentioning

confidence: 98%

Triassic synthems of southern South America (southwestern Gondwana) and the Western Caucasus (the northern Neotethys), and global tracing of their boundaries

Ruban

Zerfass

Pugatchev

2009

Journal of South American Earth Sciences

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“…The geology of the Caucasus, with a special emphasis on the Jurassic, was reviewed recently by Ershov et al (2003), Kazmin and Tikhonova (2006), Ruban (2006a, b;2007a, b;2008a, b), Saintot et al (2006), Tawadros et al (2006), and Efendiyeva and Ruban (2009). Many questions on the regional geology, however, remain open.…”

Section: Geologic Settingmentioning

confidence: 99%

“…Its balance with global eustasy is responsible for regional transgressions, regressions, and changes in the basin depth. The Jurassic tectonic evolution of the Greater Caucasus Basin has recently been reviewed by Ershov et al (2003), Kazmin and Tikhonova (2006), Ruban (2006bRuban ( , 2007bRuban ( , 2008a, Saintot et al (2006) and Tawadros et al (2006). A collision between the Greater Caucasus Terrane and Baltica resulted in a regional orogeny in the latest Triassic-earliest Jurassic, which followed this terrane displacement along a major shear zone.…”

Section: Tectonic Controlmentioning

confidence: 99%

“…The interpretation of the Bajocian-Bathonian tectonic events in the Greater Caucasus is controversial. Ershov et al (2003) and Saintot et al (2006) suggested an orogeny and a partial closure of the Greater Caucasus Trough. According to Kazmin and Tikhonova (2006) it is difficult to explain such an orogeny.…”

Section: Tectonic Controlmentioning

confidence: 99%

“…Jurassic transgressions and regressions of the Caucasus region were reconstructed (Ruban 2006a(Ruban , 2007a(Ruban , 2008b) and compared with the global eustatic curves (Haq et al 1987;Hallam 1988Hallam , 2001Haq and Al-Qahtani 2005). New tectonic models were proposed for the study region (Ershov et al 2003;Kazmin and Tikhonova 2006;Ruban 2006bRuban , 2007bRuban , 2008aSaintot et al 2006;Tawadros et al 2006) and they were fitted to the global plate tectonic reconstructions (Dercourt et al 2000;Stampfli and Borel 2002;Golonka 2004;Scotese 2004).…”

Section: Introductionmentioning

confidence: 99%

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Distribution of sedimentary rock types through time in a back-arc basin: A case study from the Jurassic of the Greater Caucasus (Northern Neotethys)

Ruban¹

2009

Central European Geology

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The evolution of sedimentary basins can be explored by analyzing the changes in their lithologies and lithofacies (i.e. predominant lithologies). The Greater Caucasus Basin, which was located at the northern margin of the Neotethys Ocean, represents a complete Sinemurian-Tithonian succession. A quantitative analysis of compiled datasets suggests that principal lithologies and lithofacies are represented by siliciclastics, shale and carbonates. The relative abundance of siliciclastics and shale decreased throughout the Jurassic, whereas that of carbonates increased. Evaporites are known from the Upper Jurassic, while volcaniclastics and volcanics, as well as coals, are known only in the Lower to Middle Jurassic. Siliceous rocks are extremely rare. Lithology and lithofacies proportions change accordingly. The Sinemurian-Bathonian sedimentary complex is siliciclastic-and-shale-dominated, whereas the Callovian-Tithonian sedimentary complex is carbonate-dominated. A major change in the character of sedimentation occurred during the Aalenian-Callovian time interval. Regional transgressions and regressions were more important controls of changes in the sedimentary rock proportions than average basin depth. Landward shoreline shifts were especially favorable for carbonate accumulation, whereas siliciclastics and shale were deposited preferentially in regressive settings. An extended area of the marine basin, its lower average depth, and a sharp bathymetric gradient favored a higher diversity of sedimentation. An orogeny at the Triassic-Jurassic transition was responsible for a large proportion of siliciclastics and extensive conglomerate deposition. An arcarc collision in the Middle Jurassic also enhanced the siliciclastic deposition. Both phases of tectonic activity were linked with an increase in volcanics and volcaniclastics. Volcanism itself might have been an important control on sedimentation. A transition to carbonate-dominated sedimentation occurred in the Late Jurassic, reflecting a tectonically calm period.

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Transition from a singly vergent to doubly vergent wedge in a young orogen: The Greater Caucasus

2014

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The Greater Caucasus Mountains, due to their youth (~5 Ma), provide an opportunity for insight into the early stages of orogen development during continent-continent collision. However, their recent tectonic evolution and first-order architecture remain unclear. Here we investigate the evolution of the orogen by integrating new observations of the fluvial geomorphology and neotectonics of the range with prior work on seismicity, geodetic strain, bedrock geology, and foreland basin structure. We find that the range contains four zones along strike that differ in structural architecture, topography, and first-order tectonic history. In particular, two south directed, singly vergent zones at the western and eastern tips of the orogen are separated by both a central doubly vergent zone that is dominated by north directed deformation and an eastern doubly vergent zone in which south directed thrusting dominates. We hypothesize that the along-strike changes in vergence and locus of deformation reflects different stages in the development of a doubly vergent orogen, with the tips of the range preserving an early, singly vergent form and the center recording a more advanced orogen. The differences between the two doubly vergent zones seem to be driven by the initial stages of collision between the structurally thickened crust of the Greater and Lesser Caucasus orogens, which initiated at~5 Ma.

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Northern Caucasus basin: thermal history and synthesis of subsidence models

Cited by 93 publications

References 19 publications

Triassic synthems of southern South America (southwestern Gondwana) and the Western Caucasus (the northern Neotethys), and global tracing of their boundaries

Triassic synthems of southern South America (southwestern Gondwana) and the Western Caucasus (the northern Neotethys), and global tracing of their boundaries

Distribution of sedimentary rock types through time in a back-arc basin: A case study from the Jurassic of the Greater Caucasus (Northern Neotethys)

Transition from a singly vergent to doubly vergent wedge in a young orogen: The Greater Caucasus

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