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western Urals

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Journal Article
Published: 01 November 1998
Journal of Sedimentary Research (1998) 68 (6): 1175–1188.
... by fusulinid faunas in southern Urals, shows that the ramp evolved from emergent in the north (Perm-Solikamsk area), as evidenced by karstification, and deepened to the south (Belaya area) with emplacement of carbonaceous foreslope debris flows and turbidites, capped by deep-marine black shales...
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The extents of the Western Urals and West Siberian Catchments, which developed in the eastern sediment source, are shown in (A) the Early Triassic and (B) the Late Triassic. The main sediment directions and locations of the basins and uplands are modified from Nikishin et al. (1996, 2002, 2010), Reichow et al. (2009), Bukina and Yanochkina (2011), Embry (2011), Li et al. (2013), Norina et al. (2014), Wang et al. (2017), Eide et al. (2018a), Meshcheryakov et al. (2019), and Gilmullina et al. (2021). GBSB—Great Barents Sea Basin.
Published: 05 November 2021
Figure 4. The extents of the Western Urals and West Siberian Catchments, which developed in the eastern sediment source, are shown in (A) the Early Triassic and (B) the Late Triassic. The main sediment directions and locations of the basins and uplands are modified from Nikishin et al. (1996
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Published: 01 June 1938
SCHEME OF CORRELATION OF SECTIONS OF THE LOWER PERMIAN OF THE WESTERN URALS AND PREDURALIE
Journal Article
Published: 01 June 2018
Mineralogical Magazine (2018) 82 (3): 515–530.
... to 6 . Table 1. Mineral associations observed in placer deposits at Rudnaya, western Sayans, and Miass, southern Urals* Rudnaya Olivine (five grains analysed, n  = 5): (Mg 1.83–1.85 Fe 0.12–0.17 ) Σ1.97–2.01 Si 0.99–1.02 O 4 ; or Fo 91.5–93.9 Chromite ( n  = 20): The ranges...
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Journal Article
Published: 01 February 2016
Russ. Geol. Geophys. (2016) 57 (2): 265–281.
...T.M. Mavrinskaya; R.R. Yakupov Abstract Biostratigraphic subdivision and correlation of Ordovician different-facies sections on the western slope of the Southern Urals are carried out based on conodonts and chitinozoans. Upper Ordovician conodonts are defined in the West Zilair zone...
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Journal Article
Published: 01 May 1999
Journal of Paleontology (1999) 73 (3): 529–539.
Journal Article
Journal: PALAIOS
Published: 01 February 1996
PALAIOS (1996) 11 (1): 71–82.
Series: GSA Special Papers
Published: 01 January 1970
DOI: 10.1130/SPE130-p1
... assemblage zones on the basis of the fusulinid species. Collectively, the zones indicate a Lower Permian age, ranging from late Asselian to middle Artinskian when compared to the zonation of Permian sections in the western Urals, USSR. The fusulinids from the Lower Permian of the Alaska Range belong...
Series: SEPM Special Publication
Publisher: SEPM (Society for Sedimentary Geology)
Published: 01 January 2007
DOI: 10.2110/pec.07.86.0227
EISBN: 9781565762947
... in the younger Lakhanda and Ui groups. Mesoproterozoic and Neoproterozoic (Riphean) shales in southeastern Russia have compositional trends in time similar to those from the southeastern USA and western Urals due to similar recycling (up to 70–75% of the rock volume) of original granitoid sources coupled...
Series: Geological Society, London, Memoirs
Published: 01 January 2006
DOI: 10.1144/GSL.MEM.2006.032.01.32
EISBN: 9781862394070
...(?) microcontinents and possible oceanic domains are inferred to exist beneath the early Palaeozoic unconformity. A vast region of Neoproterozoic accretion reaches from the western Urals, northwards beneath the Pechora Basin and the eastern Barents Shelf. Northwestern Russia, from the Fennoscandian (Baltic...
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Journal Article
Journal: AAPG Bulletin
Published: 01 September 1984
AAPG Bulletin (1984) 68 (9): 1205.
..., (2) deep Carboniferous-Ordovician of Timian-Pechora basin, (3) subthrust plays of western Urals, (4) pre-Kungurian salt section of the Pricaspian basin, (5) Devonian of the Dnepr-Donets graben, (6) Jurassic through Paleogene of the Black Sea shelf, (7) pre-Tertiary formations of the North Caucasus...
Book Chapter

Series: GSA Memoirs
Published: 01 January 1957
DOI: 10.1130/MEM70-p1
... The 38 species and varieties, 27 new ones of Fenestella, described are mainly from the Permian of the Glass Mountains, West Texas. Four are from material collected by Condra in 1937 from the lower Permian of the western Urals in Russia. Identified associated Bryozoa are also listed...
Journal Article
Journal: AAPG Bulletin
Published: 01 July 1941
AAPG Bulletin (1941) 25 (7): 1396–1404.
...G. Marshall Kay ABSTRACT The name Artinskian has been applied in Russia to (1) a series of clastic rocks lying immediately east of the outcrop of the Schwagerina limestones of the Ufa Plateau, (2) rocks of similar facies in the western Urals, equivalent to these and older limestones, and (3...
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a, Sketch map of the southwestern Urals (simplified after (Kozlov, 2002)). b, Simplified stratigraphic column of Ediacaran sediments in the western South Urals. 1, Paleozoic sediments of the East European Platform and western Urals; 2, Paleozoic sediments of the eastern Urals; 3, Ediacaran; 4, Neoproterozoic; 5, upper Mesoproterozoic; 6, lower Mesoproterozoic; 7, metamorphic complexes; 8, intrusions; 9, thrusts; 10, other faults; 11, studied Ediacaran sections, marked like in the text. Heavy line indicates the Zil’merdak thrust, to the west of which there is no angular unconformity between the Ediacaran and Paleozoic rocks.
Published: 01 November 2013
Fig. 1. a , Sketch map of the southwestern Urals (simplified after ( Kozlov, 2002 )). b , Simplified stratigraphic column of Ediacaran sediments in the western South Urals. 1 , Paleozoic sediments of the East European Platform and western Urals; 2 , Paleozoic sediments of the eastern Urals
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Tectonic scheme of the South Urals. 1, boundaries of the Ural foreland basin; 2, contours of Taratash anticlinorium; 3, deep faults and their numbers; 4, Taratash profile. Tectonic structures: I, East European Platform (Russian plate), I1, Urals marginal trough; II, Western Urals megamonoclinorium; III, Central Urals megaanticlinorium (III1, Zilair synclinorium, III2, Bashkiriya anticlinorium, III3, Ufalei anticlinorium), III4, Taratash anticlinorium; IV, Tagil–Magnitogorsk megasynclinorium; V, Eastern Urals megaanticlinorium (V1, Sysert’–Ilmenskie Gory anticlinorium, V2, Alapaevsk–Sukhtelinskii synclinorium, V3, Chelyabinsk–Suunduk anticlinorium). Faults: 1, Taratash–Kuragai (Zilmerdak); 2, Karatash–Zyuratkul’; 3, Ufa (Western Ufalei); 4, Main Urals; 5, Miass; 6, Murzinka; 7, Argayash; 8, Ilmenskie Gory; 9, Chelyabinsk–Alapaevsk.
Published: 01 November 2019
Fig. 1. Tectonic scheme of the South Urals. 1 , boundaries of the Ural foreland basin; 2 , contours of Taratash anticlinorium; 3 , deep faults and their numbers; 4 , Taratash profile. Tectonic structures: I, East European Platform (Russian plate), I 1 , Urals marginal trough; II, Western
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(a) Locations of the Uralian–Alaskan type massifs in the Urals (compiled from state geological maps at 1:000 000 scale). Key: [1] Palaeozoic of the East European Platform; [2] Western Ural fold-thrust zone; [3] Central Ural uplift; [4] Tagilo–Magnitogorskaya megazone; [5] Salatimskaya suture zone; [6] sedimentary cover of the West Siberian platform; [7] Polyudovsk uplift; [8 and 9] the massifs of the Uralian Platinum Belt (8 – dunite bodies, 9 – pyroxenites, gabbros and volcanics). Roman numerals indicate the main faults (thrusts): I – Main Western Ural; II – Osevoy; III – Prisalatimsky; IV – Main Uralian Fault. Letters denote the Uralian–Alaskan type massifs: U – Uktus, N – Nizhnetagilsky, S – Svetloborsky; V – Veresovoborsky, K – Kamenushensky, S – Sosnovsky, Y – Yudinsky, I – Iovsky, Zh – Zheltaya Sopka. (b) Geological structure of the Kamenushensky massif according to (Ivanov, 1997) with additions: [10] gabbro; [11] pyroxenites; [12–13] dunites (12 – fine/small grained, 13 – medium grained); [14] wherlites; [15] alluvial sediment; [16] rivers, streams; [17] relief contours; [18] the placer site with detailed sampling: 1 – Malaya Kamenushka River placer, 2 – lode chromitite (Tolstykh et al., 2011).
Published: 03 November 2020
Fig. 1. ( a ) Locations of the Uralian–Alaskan type massifs in the Urals (compiled from state geological maps at 1:000 000 scale). Key: [1] Palaeozoic of the East European Platform; [2] Western Ural fold-thrust zone; [3] Central Ural uplift; [4] Tagilo–Magnitogorskaya megazone; [5] Salatimskaya
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Extract from (Spizharskii, 1979). 1, faults; 2, Main Urals fault; 3, outlines of the “open” Urals; 4, sediments of the Timan–Pechora Plate; 5, sediments of the Urals foredeep and folded complexes of the western Urals; 6, volcanic and intrusive complexes of the Central Urals uplift and Tagil trough; 7, sediments of the West Siberian geosyneclise; 8, mafic and ultramafic intrusive complexes (a), granitoid complexes (b); 9, DSS profiles: Agat-2 (1), Kupyansk–Vorkuta (2), Polar Urals transect (DSS and ECWM) (3), position of the composite section for the polar part of the UFS (4); 10, Polar Urals CDP transect, Bazhenov Geophysical Expedition OJSC.
Published: 01 March 2014
Fig. 1. Extract from ( Spizharskii, 1979 ). 1 , faults; 2 , Main Urals fault; 3 , outlines of the “open” Urals; 4 , sediments of the Timan–Pechora Plate; 5 , sediments of the Urals foredeep and folded complexes of the western Urals; 6 , volcanic and intrusive complexes of the Central Urals
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Early Paleozoic evolution of the western North and Polar Urals (after [6,23, 26–29]). a – Rift-related extension in the Late Cambrian and Tremadoc; b – formation of an ocean in Lemva zone associated with break-up of continental crust and onset of spreading in the east of the basin in the earliest Arenig; c – closure of East Lemva ocean and formation of an island-arc-type structure on continental crust on its western periphery; d – rapid deepening of ocean in western and central Lemva zone at the Early-Middle Ordovician boundary, final closure of East Lemva basin. Here and in Fig. 3, geochronology is after [30]. 1 – coarse-grained deposits; 2 – sandstones and fine-grained shallow-water clastic sediments; 3 – turbidites (flyschoid and phyllite layers); 4 – clayey and flinty slates and pelagic limestones; 5 – layered carbonates; 6 – rift-related volcanics (basalts, rhyolites, and their tuffs); 7 – tholeiitic basalts; 8 – volcanosedimentary layers with tholeiitic basalts; 9 – island-arc volcanics (basalt and andesite porphyry, dacites, and their tuffs); 10 – island-arc-type volcanosedimentary layers; 11 – oceanic crust.
Published: 01 December 2000
Fig. 2. Early Paleozoic evolution of the western North and Polar Urals (after [ 6 , 23 , 26 – 29 ]). a – Rift-related extension in the Late Cambrian and Tremadoc; b – formation of an ocean in Lemva zone associated with break-up of continental crust and onset of spreading in the east
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Comparison of the isotopic compositions of carbon near the Devonian–Carboniferous (A) and Frasnian–Famennian (B) boundaries in the Pershino section and in the sections of other regions: Western Urals (Sedaeva, 2010), North America, Africa, and Australia (Joachimski et al., 2002), and Western Europe (Joachimski and Buggisch, 2002). Designations follow Fig. 3.
Published: 01 November 2015
Fig. 6. Comparison of the isotopic compositions of carbon near the Devonian–Carboniferous ( A ) and Frasnian–Famennian ( B ) boundaries in the Pershino section and in the sections of other regions: Western Urals (Sedaeva, 2010 ), North America, Africa, and Australia (Joachimski et al., 2002
Series: GSA Special Papers
Published: 02 August 2021
DOI: 10.1130/2021.2550(18)
EISBN: 9780813795508
.... Panchromatic CL images were obtained using the Cameca SX100 EPMA at the Laboratory of Physical and Chemical Research Methods, Zavaritsky Institute of Geology and Geochemistry, Ural Branch of the Russian Academy of Sciences (IGG UB RAS). EDS mapping was done using a JEOL JSM-6390LV SEM equipped with an INCA...
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