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Tologoi Formation

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Journal Article
Published: 01 February 2017
Russ. Geol. Geophys. (2017) 58 (2): 177–189.
...) is planning to put an ore-dressing plant into operation in the autumn of 2016. The dressed ore will be sent to China. The published literature has little information about the geologic structure, petrologic and geochemical compositions of rocks and ores, and conditions of formation of the Noion-Tologoi...
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Journal Article
Published: 01 September 2004
Journal of Paleontology (2004) 78 (5): 941–952.
... Shmakov, new genus and species (Tologoy Formation: Carnian–Norian). Prior to this the oldest definitive thysanopterans were from the Late Jurassic of Kazakhstan (Kimmeridgian), some 80 My younger. Well-preserved, relatively complete, wing venation indicates the Triassic thrips are phylogenetically...
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First thumbnail for: MESOZOIC THRIPS AND EARLY EVOLUTION OF THE ORDER T...
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Journal Article
Published: 01 April 2005
Russ. Geol. Geophys. (2005) 46 (4): 414–423.
... in Eastern Transbaikalia. Paleontological constraints have been obtained for a number of formations in the two subregions. In Western Transbaikalia they are the Lower Pliocene Anosov, Middle Pliocene Tologoi, and Middle Neopleistocene Krivoi Yar Formations, and in Eastern Transbaikalia they are the Lower...
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First thumbnail for: PLIOCENE-PLEISTOCENE SEDIMENTARY STRATIGRAPHY OF T...
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Sequence of mineral formation in the Noion-Tologoi polymetallic deposit. Minerals: 1, major, 2, secondary, 3, rare.
Published: 01 February 2017
Fig. 5. Sequence of mineral formation in the Noion-Tologoi polymetallic deposit. Minerals: 1 , major, 2 , secondary, 3 , rare.
Journal Article
Published: 01 December 2020
Russ. Geol. Geophys. (2020) 61 (12): 1374–1390.
... Pleistocene), middle (Middle–Lower Pleistocene), and lower (upper Pliocene). The section basement contains red-colored deposits, which are considered to be the stratotype of the Chikoi (Tologoi) Formation ( Bazarov, 1968 ). In the upper part of the middle unit of the Tologoi section, the Brunhes–Matuyama...
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Schematic geologic structure of the region of the Noion-Tologoi polymetallic deposit (compiled after A.I. Brel’, 2011). 1, alluvial–proluvial deposits (Q) (sands, boulders, sandy loams, and loams with gruss and rock debris); 2, Turga Formation (K1tr) (trachybasalts, sandstones, siltstones, and conglomerates); 3, Bolboi Formation (J3Bl) (conglomerates, tuffaceous conglomerates, tuffstones, dacites, andesite-dacites, and their tuffs); 4, Mulino Group (J2–3); formations: Zalgatui (Zl), Kailak (Ks) (trachybasalts, trachyandesites, trachydacites, their tuffs, sandstones, gravelstones, and conglomerates); 5, Upper Gazimur Formation (J2) (conglomerates, gravelstones, sandstones, and siltstones); 6, Bokhto Formation (J2) (sandstones, siltstones, mudstones, and conglomerates); 7, Proterozoic–Vendian deposits (PR–V) (schists with intercalates of sandstones, carbonate rocks, and tuffs); Akatui complex (J2–3): 8, syenite porphyry and granosyenite porphyry dikes; 9, syenite porphyry, syenite, and monzonite stocks; 10, Mulino complex (J2–3) (trachyandesite-basalt, trachyte, and syenite porphyry stocks and dikes); 11, Mulino Group (J2–3): a, boulder–pebble conglomerates, b, pebble conglomerates, c, gravelstones, sandstones, and siltstones, d, schists; 12, lithologic rock varieties: a, rhyolites, b, andesites, c, basalts, d, andesite-basalts, f, lava breccias; 13, intrusive rocks: a, syenites, b, monzonites, c, syenite porphyry, d, monzonite porphyry; 14, faults: a, proved, b, concealed beneath the Quaternary sheet, c, gentle interstratal detachments; 15, ore occurrences: a, gold, b, polymetallic; 16, projections of exposures of the ore zones of the Noion-Tologoi deposit. Rectangle shows the area of the Noion-Tologoi deposit. Inset shows polymetallic deposits of eastern Transbaikalia: 1, Klichka, 2, Noion-Tologoi, 3, Akatui.
Published: 01 February 2017
Fig. 2. Schematic geologic structure of the region of the Noion-Tologoi polymetallic deposit (compiled after A.I. Brel’, 2011). 1 , alluvial–proluvial deposits (Q) (sands, boulders, sandy loams, and loams with gruss and rock debris); 2 , Turga Formation (K 1 tr) (trachybasalts, sandstones
Journal Article
Published: 01 September 1997
Russ. Geol. Geophys. (1997) 38 (9): 1488–1492.
...M. A. Erbaeva; F. I. Khenzykhenova; N. V. Alekseeva Pliocene and Pleistocene deposits in the south of Eastern Transbaikalia form a bleached sand mass. They have been comprehensively studied in recent decades. Five formations have been recognized there and characterized by pollen and mollusk fauna...
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First thumbnail for: THE FIRST DISCOVERY OF LATE CENOZOIC SMALL MAMMALI...
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Ore minerals of the Noion-Tologoi deposit. 826, boulangerite (Boul) grains in sphalerite (Sp): 841, boulangerite (Boul) grains between sphalerite and galena (Gn) grains and as inclusions in sphalerite (Sp); 825-3, formation of pyrargyrite (Pyrg) along the cleavage in galena grains (Gn); 825, arsenopyrite (Apy) and pyrite (Py) grains in sphalerite (Sp): 824-4, 828, sequence of mineral formation: pyrite (Py) + arsenopyrite (Apy) → sphalerite (Sp) → boulangerite (Boul).
Published: 01 February 2017
Fig. 6. Ore minerals of the Noion-Tologoi deposit. 826, boulangerite (Boul) grains in sphalerite (Sp): 841, boulangerite (Boul) grains between sphalerite and galena (Gn) grains and as inclusions in sphalerite (Sp); 825-3, formation of pyrargyrite (Pyrg) along the cleavage in galena grains (Gn
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Schematic map of occurrence of Permian picrite-dolerite intrusions in structures of the Gobi segment of the ZGZ (southwestern Mongolia), after Izokh et al. (1990). 1–4 — structure-formational complexes: 1 — pre-Riphean, 2 — Early Caledonian, 3 — Late Caledonian, 4 — Hercynian (a — South Mongolian system, b — superposed troughs in the North Mongolian megablock); 5–7 — Hercynian igneous complexes: 5 — Alpine-type ultrabasites, 6 — Late Paleozoic volcanic complexes, 7 — areas of Permian picrite-dolerite intrusions: I — Edrengiyn-Baruun Huuray, II — Baidarik, III — Songino, IV — Tsagaan-Shibita; 8 — areas of picrite-dolerite complexes: Edrengiyn-Baruun Huuray area: 1 — Bairta-Daba, 2 — Badmin-Hara-Tologoy, 3 — Haruliyn-Ovoo, 4 — Altan-Gasany-Uula, 5 — Shara-Undur, 6 — Tsel, 7 — Huhutiyn-Holoy, 8 — Edrengiyn Nuruu; Baidarik area: 9 — Undur-Huren-Uula, 10 — Baidarik, 11 — Boontsagaan Nuur; Songino area: 12, 13 — Songino-Hayrhan-Uula, 14 — Ouyut-Tologoy; Tsagaan-Shibita area: 15 — Ureg Nuur.
Published: 01 July 2008
Fig. 6. Schematic map of occurrence of Permian picrite-dolerite intrusions in structures of the Gobi segment of the ZGZ (southwestern Mongolia), after Izokh et al. (1990) . 1–4 — structure-formational complexes: 1 — pre-Riphean, 2 — Early Caledonian, 3 — Late Caledonian, 4 — Hercynian
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Schematic geologic structure of the Noion-Tologoi polymetallic deposit (compiled after A.I. Brel’, 2011). 1, Bolboi Formation (J3), conglomerates, sandstones, siltstones, and tuffs; 2, Zalgatui Formation (J2–3), andesite-basalt, basalt, and trachyandesite sheets with intercalates of sandstones, tuffs, siltstones, and conglomerates; 3, Upper Gazimur Formation (J2), conglomerates with intercalates of sandstones and siltstones; 4, Akatui intrusive complex (J2–3), syenite porphyry, and quartz syenite porphyry; 5, faults: a, steep, b, gentle (interstratal detachments); 6, outlines of composite projections of ore shoots with proved reserves; 7, orebodies with polymetallic mineralization.
Published: 01 February 2017
Fig. 3. Schematic geologic structure of the Noion-Tologoi polymetallic deposit (compiled after A.I. Brel’, 2011). 1 , Bolboi Formation (J 3 ), conglomerates, sandstones, siltstones, and tuffs; 2 , Zalgatui Formation (J 2–3 ), andesite-basalt, basalt, and trachyandesite sheets with intercalates
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Discrimination diagrams and geochemical patterns for intrusive and effusive rocks of the Noion-Tologoi deposit. a, Sr/Y–Y discrimination diagram, after Defant (1992); b, (La/Yb)n–Ybn discrimination diagram, after Martin (1999). BADR, rocks of basalt–andesite–dacite–rhyolite associations of island arcs and active continental margins; c, primitive-mantle-normalized (MacDonough and Sun, 1995) REE pattern and d, multielement pattern of syenite porphyry of the Akatui complex and basalts of the Zalgatui Formation. Gray curves in c and d mark the limits of compositional variations of adakites. 1, basalts of the Zalgatui Formation, 2, syenite porphyry of the Akatui complex.
Published: 01 February 2017
Fig. 8. Discrimination diagrams and geochemical patterns for intrusive and effusive rocks of the Noion-Tologoi deposit. a , Sr/Y–Y discrimination diagram, after Defant (1992); b , (La/Yb) n –Yb n discrimination diagram, after Martin (1999) . BADR, rocks of basalt–andesite–dacite–rhyolite
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Scheme of nappe–block tectonics of the southeastern part of East Sayan, after (Gordienko et al., 2016) with changes and additions. The frame shows the fragment shown in Fig. 3. Structural and formation zones: I, Gargan; II, Il’chir; III, Oka; IV, Khoito-Oka. Symbols: 1, Quaternary deposits (Q); 2, Neogene–Quaternary basalts (βNQ); 3, Mesozoic sedimentary formations of the Narin Gol Formation (J1nr); 4, conglomerate–sandstone Sagan-Sair Formation (D2–C1ss); 5, acidic volcanogenic formations of the Ilei strata (PZ2il). Allochthonous formation 6–10: 6, terrigenous–carbonate–dolomite rocks of the Bokson nappe (PZ1bk); 7, undivided sedimentary series of the Oka nappe (NPR–PZ1ok); 8, sedimentary–volcanogenic strata of the Sarkhoi nappe (NPRsr); 9, siliceous–terrigenous–volcanogenic rocks of the Il’chir nappe (NPRil); 10, sandstone–quartzite–carbonate sediments of the Irkut nappe (NPRir). Autochthonous formations 11–14: 11, metamorphic rocks of the Shutkhulai (PR1st) and Khara-Tologoy (PR1st) blocks; 12, sedimentary–metamorphic rocks of the Khangarul series (PR1hn); 13, metamorphic rocks of the Kitoikin Series (PR1kt); 14, ultrametamorphites of the Gargan autochthon–microcontinent (NARg); 15, granitoids of the Munku-Sardyk complex (γPZ3ms); 16, granitoids of the Ognit complex (γɛPZ2o); 17–18, granitoids of the Tannuola complex: 17, tonalites, plagiogranites (γPZ1t2); 18, gabbro, diorites, quartz diorites (δPZ1t1); 19, gabbro–tonalite–plagiogranite series of the Sumsunur complex (γδNPRsn); 20, gabbros of the ophiolite complex of the Bokson nappe (νNPRbk); 21, ultrabasic rocks and serpentinite mélange of the Il’chir ophiolite complex nappe (σNPR–PZ1il); 22, granitoids of the Sayan complex (γNPRs); 23, granitoids of the Kitoi complex (γPR1-2k); 24, the zone of the Main Sayan fault; 25, discontinuous faults (thrusts, strike-slips, and thrust–overthrusts) that limit the nappes and individual blocks of autochthons; 26, boundaries of structural and formational zones. Blocks (autochthons): 1, Gargan; 2, Shutkhulai; 3, Khara-Tologoy. White contour delineates the area shown in Fig 3.
Published: 01 January 2021
sediments of the Irkut nappe (NPRir). Autochthonous formations 11–14 : 11 , metamorphic rocks of the Shutkhulai (PR 1 st) and Khara-Tologoy (PR 1 st) blocks; 12 , sedimentary–metamorphic rocks of the Khangarul series (PR 1 hn); 13 , metamorphic rocks of the Kitoikin Series (PR 1 kt); 14
Journal Article
Published: 01 January 2021
Russ. Geol. Geophys. (2021) 62 (1): 109–120.
... sediments of the Irkut nappe (NPRir). Autochthonous formations 11–14 : 11 , metamorphic rocks of the Shutkhulai (PR 1 st) and Khara-Tologoy (PR 1 st) blocks; 12 , sedimentary–metamorphic rocks of the Khangarul series (PR 1 hn); 13 , metamorphic rocks of the Kitoikin Series (PR 1 kt); 14...
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First thumbnail for: Multistage Thrust and Nappe Tectonics in the South...
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Journal Article
Published: 01 July 2008
Russ. Geol. Geophys. (2008) 49 (7): 455–467.
...Fig. 6. Schematic map of occurrence of Permian picrite-dolerite intrusions in structures of the Gobi segment of the ZGZ (southwestern Mongolia), after Izokh et al. (1990) . 1–4 — structure-formational complexes: 1 — pre-Riphean, 2 — Early Caledonian, 3 — Late Caledonian, 4 — Hercynian...
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First thumbnail for: Permian ultramafic-mafic magmatism and accompanyin...
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Discrimination diagrams of intrusive and effusive rocks of the Noion-Tologoi deposit. a, Rb–Y + Nb diagram for granitoids of different geodynamic settings. Granites: VAG, volcanic-arc, ORG, oceanic-ridge, WPG, within-plate, syn-COLG, collisional; b, (Na2O + K2O)/Al2O3–Al2O3/(CaO + Na2O + K2O) for granitoids. Data of geological prospecting to a scale of 1:50,000 (Tarabarko et al., 1996) were used; c, MnO–TiO2–P2O5 diagram for basalts. CAB, calc-alkalic basalts, IAT, island-arc tholeiites, MORB, mid-ocean ridge basalts, OIT, oceanic-island tholeiites, OIA, oceanic-island andesites; d, La–Y–Nb diagram for basalts. 1, volcanic-arc basalts (1A, calc-alkalic basalts, 1B, calc-alkalic basalts and island-arc tholeiites, 1C, island-arc tholeiites); 2, continental basalts (2A, continental basalts, 2B, back-arc basin basalts); 3, oceanic basalts (3A, alkali basalts of intercontinental rifts, 3B, 3C, E-MORB (3B, enriched, 3C, weakly enriched), 3D, N-MORB). 1, basalts of the Zalgatui Formation, 2, syenite porphyry of the Akatui complex.
Published: 01 February 2017
Fig. 7. Discrimination diagrams of intrusive and effusive rocks of the Noion-Tologoi deposit. a , Rb–Y + Nb diagram for granitoids of different geodynamic settings. Granites: VAG, volcanic-arc, ORG, oceanic-ridge, WPG, within-plate, syn-COLG, collisional; b , (Na 2 O + K 2 O)/Al 2 O 3 –Al 2 O 3
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Schematic structure of the Mazhalyk intrusion. 1 — rocks of layered series, 2 — rocks of basal peridotite layer, 3 — dips and strikes of layering, 4 — marginal facies, 5 — own dikes of intrusion, 6 — hornfelsed schists and metavolcanites, 7 — granitoids of Bren’ complex, 8 — Quaternary rocks, 9 — sampling locality at profile I-51-99 for Ar-Ar dating, 10 — directions of sections A–B, C–D, E–F; 11 — absolute heights, in meters. Inset: Schematic location of intrusions of peridotite-pyroxenite-gabbronorite formation in structures of Eastern Tuva and Northwestern Mongolia [7]. 1 — structures of Precambrian basement, 2 — volcanogenic complexes of dacite-andesite-basalt series with subordinate carbonate and terrigene-schist rocks, 3 — carbonate-terrigene rocks with subordinate volcanogenic complexes, 4 — Late Caledonian volcanogenic-silica-schist units of Cambrian and flyschoid rocks of Cambrian-Ordovician; volcano-sedimentary complexes: 5 — Early Hercynian, 6 — Hercynian, 7 — Meso-Cenozoic; 8 — faults; 9 — intrusions of peridotite-pyroxenite-gabbronorite suite; intrusions of Mazhalyk Complex of East Tuva: 1 — Mazhalyk, 2 — Karashat, 3 — Kalbakdag, 4 — Brungan, 5 — Khanga, 6 — Bash-Khem, 7 — Elig-Khol’, 8 — Khanchar, 9 — Pogranichny; intrusions of Hyargas Complex of Lake zone, Northeastern Mongolia: 10 — Zamyn, 11 — Centre, 12 — Ulan-Ula, 13 — Kharachulu, 14 — Tas-Khairkhan, 15 — Sar-Khairkhan, 16 — Dzabkhan, 17 — Bayan-Tsagan, 18 — Khairkhan, 19 — Tugurik, 20 — Sukhotin-Hara-Ula; intrusions of Tamir Complex of Hangayn mountain region of Northeastern Mongolia: 21 — Ortsog-Ula, 22 — Dulan-Ula, 23 — Hara-Tologoi, 24 — Hargatuin-Gol, 25 — Bayan-Bulak, 26 — Olon-Huduk, 27 — Bumbeger.
Published: 01 September 2004
— Quaternary rocks, 9 — sampling locality at profile I-51-99 for Ar-Ar dating, 10 — directions of sections A–B, C–D, E–F; 11 — absolute heights, in meters. Inset: Schematic location of intrusions of peridotite-pyroxenite-gabbronorite formation in structures of Eastern Tuva and Northwestern Mongolia [ 7
Journal Article
Published: 01 May 2000
Russ. Geol. Geophys. (2000) 41 (5): 731–740.
... Succinea ex gr. oblonga (identified by S. M. Popova). The most proximal occurrences of Trionyx tortoises are known in Kazakhstan. There, they occur in the upper fauna level Aktau (Middle Miocene) [ 7 , 8 ]. In the Northern Aral region, they occur in the Aral Formation, at the Karatam localities...
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Journal Article
Published: 01 December 2009
Russ. Geol. Geophys. (2009) 50 (12): 1063–1072.
... Khorgo (2); Gichene (3); Shavaryn Tsaram-1 (4), Shavaryn Tsaram-2 (5), Dzalan-Tologoi (6), On-Tsagan (7); 7 , lava dome; 8 , faults. The analyzed spinel lherzolite xenolith sample was collected in 1973, during a field trip to Shavaryn Tsaram volcano. It looks like a 12 cm × 22 cm × 30 cm piece...
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First thumbnail for: Residence of incompatible trace elements in a larg...
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Journal Article
Published: 01 March 2021
Russ. Geol. Geophys. (2021) 62 (03): 263–277.
... al., 2012 ) consisting of the Chilik-Kemin left-lateral strike slip fault oblique to the main N–S compression and a system of related south-propagating listric reverse faults with thrust and strike-slip components of motion. The formation of each new fault south of the previous one maintains...
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First thumbnail for: Active Tectonics and Paleoseismicity of the Easter...
Second thumbnail for: Active Tectonics and Paleoseismicity of the Easter...
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Journal Article
Journal: GSA Bulletin
Published: 24 July 2023
GSA Bulletin (2024) 136 (3-4): 1185–1204.
... Wenjiao Xiao and Mihai Ducea for their very useful suggestions. REFERENCES CITED Abramov , B.N. , 2017 , The Noion-Tologoi polymetallic deposit: Formation conditions and petrogeochemical peculiarities of rocks and ores (eastern Transbaikalia) : Russian Geology and Geophysics , v. 58...
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First thumbnail for: U-Pb and Re-Os geochronology and geochemistry of t...
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