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Oka River basin

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Journal Article
Published: 01 September 2019
Russ. Geol. Geophys. (2019) 60 (9): 1008–1017.
... rifting Baikal rift system East Sayan Fault Tunka basin Oka basin Bilin–Busiyn-Gol basin The study area, located in the southwestern end of the Baikal rift system (BRS), within 96°–103° E and 50°–53° N, includes the western flank of the South Baikal volcanic area (SBVP). The origin of SBVP...
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Journal Article
Published: 01 July 2013
Russ. Geol. Geophys. (2013) 54 (7): 685–694.
... river system. Thermal modeling of track-analysis data yielded a more complete temperature-time history of the Oka Plateau and Kropotkin Ridge ( Fig. 4 ). The model for the thermal history of the samples shows their cooling dynamics, which reflects the exhumation rate during a certain period...
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Image
Schematic geologic structure of the <b>Oka</b> prism in the <b>basin</b> of the Yakhoshop...
Published: 01 January 2013
Fig. 5. Schematic geologic structure of the Oka prism in the basin of the Yakhoshop River. 1 , “volcanogenic” unit of the Oka Group; 2 , “flyschoid” unit of the Oka Group; 3 , variegated member; 4 , conglomerate; 5 , carbonate olistostrome; 6 , diabase sills; 7 , Vendian–Cambrian cover
Journal Article
Published: 16 May 2006
Canadian Journal of Earth Sciences (2006) 43 (4): 461–485.
... initially by paleochannels of the ancestral Ottawa River as it flowed into Lake Lampsilis ( Prest 1970 ), a successor basin of the Champlain Sea, and subsequently by modern rivers and streams. At higher elevations, from 70 to 95 m asl, the region features a drumlinized till plain that was partly reworked...
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Journal Article
Published: 01 July 2002
Journal of the Geological Society (2002) 159 (4): 393–399.
... uplift along the northern margin of the Marmara Sea ( Fig. 1 ). Fig. 1.  Map of NW Turkey and the Balkans showing the drainage areas of the Maritsa River and the Marmara Sea. The dashed line indicates a possible course of the Palaeo-Maritsa river. Basins below 1000 m are stippled. The fault...
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Series: Geological Society, London, Special Publications
Published: 01 January 2018
DOI: 10.1144/SP464.15
EISBN: 9781786203724
... in Russia and the margins of the Rioni Basin in west Georgia. These outcrops are important because they are more directly relevant to the Eastern Black Sea than the classic outcrops south of the town of Maykop on the northern side of the Caucasus (e.g. along the Belaya River) ( Sachsenhofer et al. 2017...
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Series: Geological Society, London, Special Publications
Published: 01 January 2018
DOI: 10.1144/SP464.13
EISBN: 9781786203724
... of sediment to receiving basins. Before dam construction in the 1950s, the three largest Turkish rivers emptying into the Black Sea discharged an estimated 50 Mt (million tonnes) of sediment annually. This includes the Sakarya and Filyos entering the WBS. Maynard et al. (2012) suggested that during...
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Journal Article
Published: 01 November 2015
Russ. Geol. Geophys. (2015) 56 (11): 1509–1521.
.... Starting with MIS 5, the Todza Basin and, partly, the Oka Plateau, Azas Volcanic Plateau, Mondy Basin, and river valleys in southern East Sayan were periodically covered with ice. The thickness of ice in the eastern Todza Basin was 700 m, on the Azas Volcanic Plateau it reached 300–600 m...
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Journal Article
Published: 01 December 2011
Russ. Geol. Geophys. (2011) 52 (12): 1662–1671.
..., as evidenced from their accumulation in the same sedimentary basin and their essentially granitoid sourcelands. The studied tuffites are not related to these sourcelands but are genetically associated with andesite-basaltic rocks. The relationship between the sedimentary rocks of the Oka Group...
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Series: Geological Society, London, Special Publications
Published: 01 January 2018
DOI: 10.1144/SP464.11
EISBN: 9781786203724
... coincided with rising sea level and overflow of saline waters from the Mediterranean Sea ( Arthur & Sageman 2004 ). Trapping of river-derived nutrients in the Black Sea behind the shallow sill to the Mediterranean and the high freshwater flux to the Black Sea Basin during climatic warming are additional...
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Series: Geological Society, London, Special Publications
Published: 01 January 2018
DOI: 10.1144/SP464.14
EISBN: 9781786203724
... Sea basin. The Rioni Basin of western Georgia is subdivided areally into a northern v. a southern basin segment, the dividing line more or less being the Rioni River itself ( Fig. 2 ). The northern basin segment, underlain by the Shatsky Ridge, is much wider than the southern segment. Both sub...
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Journal Article
Published: 18 September 2017
Geological Magazine (2019) 156 (1): 39–61.
...ARAL I. OKAY; ERCAN ÖZCAN; AYNUR HAKYEMEZ; MUZAFFER SIYAKO; GÜRSEL SUNAL; ANDREW R.C. KYLANDER-CLARK Abstract The Late Cretaceous – Recent West Black Sea Basin and the Eocene–Oligocene Thrace Basin are separated by the Strandja arch comprising metamorphic and magmatic rocks. Since Late Cretaceous...
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Journal Article
Journal: Geology
Published: 01 January 2001
Geology (2001) 29 (1): 15–18.
... River basin, from seismic refraction results : Journal of Geophysical Research , v. 96 p. 4187 – 4227 . Fuis , G.S. , Okaya , D.A. , Clayton , R.W. , Lutter , W.J. , Ryberg , T. , Brocher , T.M. , Henyey , T.L. , Benthien , M.L. , Davis , P.M. , Mori , J...
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Series: Geological Society, London, Special Publications
Published: 01 January 2018
DOI: 10.1144/SP464.3
EISBN: 9781786203724
.... 2013 ). In the Central Pontides, a new sedimentary–volcanic cycle started in the Late Cretaceous, which was characterized by thicker and more continuous sequences in the north, reflecting the presence of the Western Black Sea Basin ( Figs 5e & 12 ) ( Hippolyte et al. 2016...
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Series: Geological Society, London, Special Publications
Published: 01 January 2018
DOI: 10.1144/SP464.9
EISBN: 9781786203724
... of the three basins in terms of palaeocurrent directions and detrital zircon ages, they concluded that all the Lower Cretaceous turbidites, consisting of the Çağlayan and Ulus formations, were deposited in a single basin, the Çağlayan Basin, which was fed by one or more rivers draining the East European...
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