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Issyk-kul Basin

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Journal Article
Published: 01 March 2021
Russ. Geol. Geophys. (2021) 62 (03): 263–277.
...A.M. Korzhenkov; E.V. Deev; I.V. Turova; S.V. Abdieva; S.S. Ivanov; J. Liu; I.V. Mažeika; E.A. Rogozhin; A.A. Strelnikov; A.B. Fortuna; M.T. Usmanova Abstract —The Malyi Orgochor, Orgochor, Birbash, Sukhoi Ridge, Ichketosma, and Tosma uplifts in the eastern Issyk-Kul basin are fault-related...
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Journal Article
Published: 01 September 2011
Russ. Geol. Geophys. (2011) 52 (9): 1007–1015.
... encompasses the most active seismic zones of the orogen, which generated the strongest (M > 8) earthquakes. Since there are scarcely any written accounts, the only way to trace back strong earthquakes is the paleoseismologic method. Since 1984 we have been studying the northwestern Issyk Kulbasin, where...
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Journal Article
Published: 01 July 2000
Russ. Geol. Geophys. (2000) 41 (7): 940–950.
...A. M. Korzhenkov The paper presents new data on the pre-neotectonic and neotectonic framework of the Issyk-Kulbasin obtained by conventional methods of geology and geomorphology as well as fission track dating of tectonic uplifts, used for the first time in Kyrgyzstan. The setting of extension...
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Journal Article
Published: 01 July 2016
Russ. Geol. Geophys. (2016) 57 (7): 1090–1098.
... ± 40 years BP (Poz-66205) 1 or cal 8400–8340 years BP (1σ). The Issyk Kul basin is located within the northern Tien Shan, an active continental orogen produced by the India–Eurasia collision which began in the Eocene, with several active seismic zones in its northern part along the Himalayan...
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Journal Article
Published: 01 May 2004
Russ. Geol. Geophys. (2004) 45 (5): 616–625.
.... If there is crustal thickening beneath Issyk Kul’, the low heat flow can only be explained in a transient mode, with “sawtooth geotherm”. In equilibrium conditions, low heat flow implies that there is little or no crustal thickening under the basin. This feature could be the result of lithospheric folding, as may...
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Image
Major active structures in the <span class="search-highlight">Issyk</span>-<span class="search-highlight">Kul</span> <span class="search-highlight">basin</span> region. Numbers in circles s...
Published: 01 March 2021
Fig. 1. Major active structures in the Issyk-Kul basin region. Numbers in circles stand for names of uplifts: 1, Boz-Barmak, 2, Malyi Orgochor, 3, Orgochor, 4, Birbash, 5, Sukhoi Khrebet, 6, Ichketosma, 7, Tosma. Historic and instrumental earthquakes over a period from 250 AD to 2014
Image
Morphology of <span class="search-highlight">Issyk</span> <span class="search-highlight">Kul</span>’ <span class="search-highlight">basin</span> (De Batist et al., 2002), and location of on...
Published: 01 May 2004
Fig. 2. Morphology of Issyk Kulbasin (De Batist et al., 2002), and location of on-shore boreholes and off-shore marine-type thermal stations in Lake Issyk Kul’. Inset shows a contour map of the heat flow on the flat bottom of Lake Issyk Kul’ based on the new thermal data.
Image
A  — If uniform crustal thickening occurs under the <span class="search-highlight">Issyk</span> <span class="search-highlight">Kul</span>’ <span class="search-highlight">basin</span> (top p...
Published: 01 May 2004
Fig. 4. A — If uniform crustal thickening occurs under the Issyk Kulbasin (top part of the figure), this will initially cause the surface heat flow to decrease as the “stacking geotherm” (black curve in the lower left part of the figure) re-equilibrates. However, thickening the crust
Series: Geological Society, London, Special Publications
Published: 01 January 2003
DOI: 10.1144/GSL.SP.2003.210.01.04
EISBN: 9781862394582
... Abstract The paper presents a geodynamic interpretation of the deep structure and active tectonics of the northern Tien Shan, with particular emphasis on strike-slip motions, which produced a pull-apart in the centre of the Issyk-Kul basin. The study is based on a detailed interpretation...
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Location of the Tien Shan mountain ranges in the active Central Asian defor...
Published: 01 May 2004
Fig. 1. Location of the Tien Shan mountain ranges in the active Central Asian deformation zone. Inset shows location of Issyk Kulbasin within Tien Shan. Shaded relief map from USGS files.
Journal Article
Published: 01 September 2006
Russ. Geol. Geophys. (2006) 47 (9): 1024–1035.
...I.E. Povolotskaya; A.M. Korzhenkov; E.M. Mamyrov We investigated signature of Middle Pleistocene soft sediment deformation in lacustrine deposits of the Kok-Moinok basin (a bay of Lake Issyk-Kul’, western Issyk-Kul’ region) and its implications for past seismicity. Convolute structures are exposed...
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Journal Article
Published: 01 October 2015
Russ. Geol. Geophys. (2015) 56 (10): 1475–1483.
... fore-Terskey or pre-Terskey fault) that separates the Issyk-Kul basin from the Terskey Ala-Too Range, its pre-Mesozoic mountain border. This study focuses on the fault segment in the Chon-Kyzylsuu valley ( Fig. 4 ). The distribution of Quaternary sediments in the area was mapped based on the 1:50,000...
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Rotation of Fergana block (modified after [ 4 ]).  1  — Cenozoic sediments;...
Published: 01 September 2006
with Talas-Fergana fault; RC — position of rotation center in Cenozoic inferred from paleomagnetic data. Other abbreviations mark geological structures: IKB — Issyk-Kul basin, TFF — Talas-Fergana fault, TP — Turan plate, FB — Fergana basin, TA — Tarim platform, GL — Gubin thrust line, TB — Tajik basin.
Journal Article
Published: 01 February 2016
Russ. Geol. Geophys. (2016) 57 (2): 337–343.
... Issyk Kul area was followed by more than 300 aftershocks, of which some were felt to high intensity, the largest on 9, 12 and 14 January 1911. Three more large events occurred after the Kemin shock in the northern mountain border of the Issyk Kul basin: Kemin-Chu on 20 June 1938 ( M = 6.9; I 0 = 8–9...
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Journal Article
Published: 01 October 2001
Russ. Geol. Geophys. (2001) 42 (10): 1398–1404.
... depth observed in the eastern termination of the Issyk-Kulbasin and at the northern/central Tien Shan boundary, along the Nikolaev fault line [ 15 ]. The largest Kumtor deposit of gold and rare metals is located at the boundary of the Upper Naryn intermontane depression associated with a regional...
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Structural position of Lake <span class="search-highlight">Issyk</span> <span class="search-highlight">Kul</span>’ and its <span class="search-highlight">basin</span>, along with the known ...
Published: 01 September 2011
Fig. 1. Structural position of Lake Issyk Kul’ and its basin, along with the known strong ( M > 6) earthquakes of the Issyk Kul’ region, according to the Institute of Seismology, National Academy of Sciences of the Kyrgyz Republic. Mainly Precambrian and Paleozoic rocks ( 1 ), Mesozoic
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Structural position of Lake <span class="search-highlight">Issyk</span>-<span class="search-highlight">Kul</span>’ and its <span class="search-highlight">basin</span>. Square box shows stud...
Published: 01 September 2006
Fig. 1. Structural position of Lake Issyk-Kul’ and its basin. Square box shows study area. 1 — Precambrian and Paleozoic rocks, 2 — Cenozoic, including Neogene rocks; 3 — lake surface; 4 — main faults; 5 — national frontiers.
Journal Article
Published: 01 July 2000
Russ. Geol. Geophys. (2000) 41 (7): 929–939.
... and subside to the north. On these grounds, our colleagues [ 10 , 20 ] regarded the faults as a system of the cis-Kungei boundary thrusts, separating the Paleozoic compexes of the range and the Cenozoic deposits of the Issyk-Kulbasin. Thrusts and reverse faults with southern vergence occur...
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Journal Article
Published: 01 May 2022
Russ. Geol. Geophys. (2022) 63 (5): 590–606.
... glacial lakes) and the Tien Shan (sediments of a large stationary basin in the Issyk-Kul depression) is carried out in order to clarify their genesis. These regions have sharply different levels of seismotectonic activity, which makes it possible to most fully determine the role of a seismic factor...
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Journal Article
Published: 07 February 2008
Russ. Geol. Geophys. (2008) 49 (2): 98–112.
...- and, seldom, medium-pebble conglomerates, gravelstones, and sandstones, which at the center of large basins give way to sand-clayey deposits with gypsum. Based on the fauna found in the Issyk-Kul’ and Ili basins, the lower beds of the series were dated to the Middle Oligocene, and the upper ones, to the Late...
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