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Journal Article

MIDDLE PALEOZOIC AGE OF METAMORPHISM IN THE SOUTH CHUYA COMPLEX IN GORNY ALTAI ( results of Ar-Ar, Rb-Sr, and U-Pb isotope dating ) Available to Purchase

A. V. Plotnikov, A. V. Titov, N. N. Kruk, T. Ota, T. Kabashima, T. Hirata
Published: 01 September 2001
Russ. Geol. Geophys. (2001) 42 (9): 1264–1279.
...A. V. Plotnikov; A. V. Titov; N. N. Kruk; T. Ota; T. Kabashima; T. Hirata The South Chuya metamorphic complex, Gorny Altai, lies on the northeastern margin of the Altai-Mongolian terrane. Metamorphic rocks of the kyanite-sillimanite type occur in the western part of the complex, whereas higher...
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View PDF for article title, MIDDLE PALEOZOIC AGE OF METAMORPHISM IN THE SOUTH <span class="search-highlight">CHUYA</span> <span class="search-highlight">COMPLEX</span> IN GORNY ALTAI ( results of Ar-Ar, Rb-Sr, and U-Pb isotope dating )
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Incompatible-element patterns of lamproites of the Chuya complex and of crustal rocks of southeastern Gorny Altai and Chinese Altay. 1, lamproites of the Chuya complex; 2, upper-crustal rocks of southeastern Gorny Altai; 3, lower-crustal granulites of Chinese Altay. Compositions of: Gorny Altai upper-crustal rocks (Cambrian–Ordovician turbidites, Early Devonian volcanics), after Ponomarev et al. (2010), Chinese Altay lower-crustal granulites, after Li et al. (2004); OIB and primitive mantle, after Sun and McDonough (1989); average GLOSS, after Plank and Langmuir (1998).

Incompatible-element patterns of lamproites of the Chuya complex and of cru... Available to Purchase

Published: 01 June 2015
Fig. 9. Incompatible-element patterns of lamproites of the Chuya complex and of crustal rocks of southeastern Gorny Altai and Chinese Altay. 1 , lamproites of the Chuya complex; 2 , upper-crustal rocks of southeastern Gorny Altai; 3 , lower-crustal granulites of Chinese Altay. Compositions
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Correlations between Sr and Pb isotopes in rocks of the Chuya complex. Isotope ratios: 206Pb/204Pb in minettes, after Borisenko et al. (1991), 87Sr/86Sr in lamproites of the Sarzhematy and Zhumala areas. Composition fields of: DMM, EM1, EM2, HIMU, and OIB, after Hofmann (2003), Lustrino and Dallai (2003), Workman et al. (2004), and Workman and Hart (2005); GLOSS, after Plank and Langmuir (1998). For comparison, the compositions of lamproites of Leucite Hills, Gaussberg, Aldan (Davies et al., 2006), Mediterranean area (Prelevic et al., 2008), and Southern Tibet (Gao et al., 2007) are shown. Symbols with numerals on the line of EM1–EM2 mixing show the portion of EM1 in the mixture (%).

Correlations between Sr and Pb isotopes in rocks of the Chuya complex. Isot... Available to Purchase

Published: 01 June 2015
Fig. 11. Correlations between Sr and Pb isotopes in rocks of the Chuya complex. Isotope ratios: 206 Pb/ 204 Pb in minettes, after Borisenko et al. (1991) , 87 Sr/ 86 Sr in lamproites of the Sarzhematy and Zhumala areas. Composition fields of: DMM, EM1, EM2, HIMU, and OIB, after Hofmann (2003
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Schematic occurrence of the Chuya complex lamprophyre dikes in the area of Russia (compiled after Dobretsov et al. (1995, 2005)). 1, Cambrian–Ordovician metamorphic rocks; 2, Devonian deposits; 3, Quaternary deposits; 4, Mesozoic granitoids; 5, other regional granitoids; 6, area of occurrence of Chuya complex lamprophyre dikes; 7, local lamprophyre areas within the Chuya complex (1, Aktash, 2, Aktura, 3, South Chuya, 4, Yustyd, 5, Kalguty, 6, Tolbonur); 8, tectonic zones; 9, faults; 10, frontier. The lines show the main directions of dike strike.

Schematic occurrence of the Chuya complex lamprophyre dikes in the area of ... Available to Purchase

Published: 01 December 2011
Fig. 1. Schematic occurrence of the Chuya complex lamprophyre dikes in the area of Russia (compiled after Dobretsov et al. (1995 , 2005 )). 1 , Cambrian–Ordovician metamorphic rocks; 2 , Devonian deposits; 3 , Quaternary deposits; 4 , Mesozoic granitoids; 5 , other regional granitoids; 6
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Phlogopites from the Chuya complex lamprophyres. a, Contact of lamprophyre and “glimmerite” consisting of curved phlogopite laths and quartz-carbonate cement; b, replacement of phlogopite by fluorite; c, reverse zoning in phlogopite; d, case-like phlogopite crystal; e, tangentially oriented phlogopite laths forming an ocellar structure of the rock.

Phlogopites from the Chuya complex lamprophyres. a , Contact of lamprophyr... Available to Purchase

Published: 01 December 2011
Fig. 4. Phlogopites from the Chuya complex lamprophyres. a , Contact of lamprophyre and “glimmerite” consisting of curved phlogopite laths and quartz-carbonate cement; b , replacement of phlogopite by fluorite; c , reverse zoning in phlogopite; d , case-like phlogopite crystal; e
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Harker diagrams for the rocks of the Chuya complex and other Paleozoic lamprophyre/lamproite complexes of Asia. 1–2, compositions of the Chuya complex rocks (wt.%): 1, lamprophyres, 2, rocks of the Tarkhata massif; 3, lamprophyres from South Vietnam (Tran Tuan Anh et al., 2007); 4, micaceous lamprophyres from Beishan Area, China (Liu et al., 2006); 5, lamproites from Taimyr, Russia (Romanov, 2002).

Harker diagrams for the rocks of the Chuya complex and other Paleozoic lamp... Available to Purchase

Published: 01 December 2011
Fig. 10. Harker diagrams for the rocks of the Chuya complex and other Paleozoic lamprophyre/lamproite complexes of Asia. 1 – 2 , compositions of the Chuya complex rocks (wt.%): 1 , lamprophyres, 2 , rocks of the Tarkhata massif; 3 , lamprophyres from South Vietnam (Tran Tuan Anh et al., 2007
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A schematic model for the formation of the Chuya complex. 1, Cambrian–Ordovician metamorphic strata, 2, Devonian deposits, 3, intermediate chambers, 4, dikes, 5, line of the modern level of erosional truncation.

A schematic model for the formation of the Chuya complex. 1 , Cambrian–Ord... Available to Purchase

Published: 01 December 2011
Fig. 14. A schematic model for the formation of the Chuya complex. 1 , Cambrian–Ordovician metamorphic strata, 2 , Devonian deposits, 3 , intermediate chambers, 4 , dikes, 5 , line of the modern level of erosional truncation.
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Structures of lamprophyres from the Chuya complex. a, Globular structure visible on the sample surface; b, number of globules and their size increase toward the dike core; c, globules composed of radial-axial aggregate of phlogopite and K-Na-feldspar and fine-grained groundmass consisting of large zoned phlogopite phenocrysts; d–f, globular spotty structure; g, large (up to 1 cm across) globules composed of fine-grained phlogopite-carbonate aggregate with finely disseminated hematite and groundmass consisting of phlogopite phenocrysts and disseminated ore minerals, nicols ||; h, large (~1 cm) phenocrysts of K-Na-feldspar and carbonate aggregate, nicols ||.

Structures of lamprophyres from the Chuya complex. a , Globular structure ... Available to Purchase

Published: 01 January 2011
Fig. 13. Structures of lamprophyres from the Chuya complex. a , Globular structure visible on the sample surface; b , number of globules and their size increase toward the dike core; c , globules composed of radial-axial aggregate of phlogopite and K-Na-feldspar and fine-grained groundmass
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Composition of rocks of Chuya Complex (1), including Sarzhematin area (2), after [22-24].

Composition of rocks of Chuya Complex ( 1 ), including Sarzhematin area ( 2... Available to Purchase

Published: 01 September 2004
Fig. 4. Composition of rocks of Chuya Complex ( 1 ), including Sarzhematin area ( 2 ), after [ 22 - 24 ].
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Geological scheme of the South Chuya complex with the marked areas of isotope-geochronological studies. Compiled from [19, 20]. 1 – Katun’ Formation (V-Є ?): sandstones, siltstones, and slates metamorphosed in different subfacies of greenschist fades; 2 – South Chuya complex: schists, gneisses, and migmatites of the Ky-Sil type of metamorphism (Є1); 3–5 – superimposed formations of the And-Sil type of metamorphism: within gneisses of the Ky-Sil type they correspond to (S2-D1) and in the rocks of the Katun’ Formation, to (Є1), 3 – biotite-bearing schists, 4 – essentially cordierite rocks, 5 – area of cordierite occurrence in schists and gneisses of the Ky-Sil type; 6 – undifferentiated Ordovician sediments: sandstones, siltstones, conglomerates, and limestones; 7 – undifferentiated Lower-Middle Devonian sediments: variegated sandstones, conglomerates, volcanic rocks of acid-intermediate composition and their tuffs, 8 – undifferentiated granitoid complexes (J1); 9 – boundaries of zones, assumed isogrades selected by index minerals: biotite appearance isograde (a), cordierite appearance isograde (b) [20], staurolite disappearance isograde (c) [16]; I – staurolite zone, II – garnet-sillimanite zone; 10 – main faults traced and assumed beneath Quarternary sediments and glaciers. Site 1 – study site and its number (see text).

Geological scheme of the South Chuya complex with the marked areas of isoto... Available to Purchase

Published: 01 September 2001
Fig. 1. Geological scheme of the South Chuya complex with the marked areas of isotope-geochronological studies. Compiled from [ 19 , 20 ]. 1 – Katun’ Formation (V-Є ?): sandstones, siltstones, and slates metamorphosed in different subfacies of greenschist fades; 2 – South Chuya complex
Journal Article

Paleoproterozoic granitoids of the Chuya and Kutima complexes (southern Siberian craton): age, petrogenesis, and geodynamic setting Available to Purchase

T.V. Donskaya, D.P. Gladkochub, A.M. Mazukabzov, S.L. Presnyakov, T.B. Bayanova
Published: 01 March 2013
Russ. Geol. Geophys. (2013) 54 (3): 283–296.
DOI: https://doi.org/10.1016/j.rgg.2013.02.004
...T.V. Donskaya; D.P. Gladkochub; A.M. Mazukabzov; S.L. Presnyakov; T.B. Bayanova Abstract Detailed geochemical, isotope, and geochronological studies were carried out for the granitoids of the Chuya and Kutima complexes in the Baikal marginal salient of the Siberian craton basement. The obtained...
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View PDF for article title, Paleoproterozoic granitoids of the <span class="search-highlight">Chuya</span> and Kutima <span class="search-highlight">complexes</span> (southern Siberian craton): age, petrogenesis, and geodynamic setting
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Early Mesozoic lamprophyres in Gorny Altai: petrology and age boundaries Available to Purchase

E.A. Vasyukova, A.E. Izokh, A.S. Borisenko, G.G. Pavlova, V.P. Sukhorukov, Tran Tuan Anh
Published: 01 December 2011
Russ. Geol. Geophys. (2011) 52 (12): 1574–1591.
DOI: https://doi.org/10.1016/j.rgg.2011.11.010
...Fig. 1. Schematic occurrence of the Chuya complex lamprophyre dikes in the area of Russia (compiled after Dobretsov et al. (1995 , 2005 )). 1 , Cambrian–Ordovician metamorphic rocks; 2 , Devonian deposits; 3 , Quaternary deposits; 4 , Mesozoic granitoids; 5 , other regional granitoids; 6...
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View PDF for article title, Early Mesozoic lamprophyres in Gorny Altai: petrology and age boundaries
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Early Mesozoic lamproites and monzonitoids of southeastern Gorny Altai: geochemistry, Sr–Nd isotope composition, and sources of melts Available to Purchase

V.I. Krupchatnikov, V.V. Vrublevskii, N.N. Kruk
Published: 01 June 2015
Russ. Geol. Geophys. (2015) 56 (6): 825–843.
DOI: https://doi.org/10.1016/j.rgg.2015.05.002
...Fig. 9. Incompatible-element patterns of lamproites of the Chuya complex and of crustal rocks of southeastern Gorny Altai and Chinese Altay. 1 , lamproites of the Chuya complex; 2 , upper-crustal rocks of southeastern Gorny Altai; 3 , lower-crustal granulites of Chinese Altay. Compositions...
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View PDF for article title, Early Mesozoic lamproites and monzonitoids of southeastern Gorny Altai: geochemistry, Sr–Nd isotope composition, and sources of melts
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Permian-Triassic magmatism and Ag-Sb mineralization in southeastern Altai and northwestern Mongolia Available to Purchase

G.G. Pavlova, A.S. Borisenko, V.A. Goverdovskii, A.V. Travin, I.A. Zhukova, I.G. Tret’yakova
Published: 01 July 2008
Russ. Geol. Geophys. (2008) 49 (7): 545–555.
DOI: https://doi.org/10.1016/j.rgg.2008.06.010
..., and younger lamprophyre dikes of the Chuya complex (245–236 Ma Ar-Ar biotite age). Ag-Sb ores in the Yustyd cluster formed at the Early Mesozoic stage at 240±1.6 Ma (Early-Middle Triassic boundary) and were thus nearly coeval with the Chuya lamprophyre intrusion. The age of Cu-Ag-Sb-Hg mineralization is about...
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View PDF for article title, Permian-Triassic magmatism and Ag-Sb mineralization in southeastern Altai and northwestern Mongolia
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Sr–Nd isotopic composition of rocks of the Chuya, Tarkhata, and Terandzhik complexes. 1, lamproites of the Chuya complex; 2, lamprophyres of the Chuya complex; 3, granosyenite of the Tarkhata massif; 4, monzogabbro, monzodiorite, and granosyenite of the Terandzhik pluton. Composition fields of the world lamproites, after Chalapathi Rao et al. (2004), Conticelli (1998), Conticelli et al. (2002), Davies et al. (2006), Gao et al. (2007), Mirnejad and Bell (2006), Murphy et al. (2002), Prelevic et al. (2004, 2008), Turner et al. (1999); fields of MORB, FOZO/PREMA, EM1, and EM2, after Stracke et al. (2005), Zindler and Hart (1986); field of subducted sediments (GLOSS, global subducting sediments), after Plank and Langmuir (1998); field of lamprophyres of the Chuya complex, after Annikova et al. (2006), Goverdovskii and Tret’yakova (2011); field of rocks of the Aya gabbro–syenite–granosyenite–granite group, after Gusev and Gusev (2011).

Sr–Nd isotopic composition of rocks of the Chuya, Tarkhata, and Terandzhik ... Available to Purchase

Published: 01 June 2015
Fig. 8. Sr–Nd isotopic composition of rocks of the Chuya, Tarkhata, and Terandzhik complexes. 1 , lamproites of the Chuya complex; 2 , lamprophyres of the Chuya complex; 3 , granosyenite of the Tarkhata massif; 4 , monzogabbro, monzodiorite, and granosyenite of the Terandzhik pluton
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Location of dike areas of the Chuya and intrusive massifs of the Terandzhik and Tarkhata complexes in southeastern Gorny Altai (a) and geologic structure of southeastern Gorny Altai, after Turkin and Fedak (2008), simplified (b). a: 1, Delyun–Yustyd trough; 2, Cenozoic deposits of the Chuya basin; 3, dike areas of the Chuya complex: K, Kurai; SCh, South Chuya; Zh, Zhumala; S, Sarzhematy; T, Tashanta; Yu, Yustyd; B, Buguzun; TV, Tuva; 4, intrusive massifs of the Tarkhata and Terandzhik complexes: Tr, Tarkhata; Zhn, Zhanedyngui; Tzh, Terandzhik; 5, fault zones: a, major (terrane boundaries); b, accessory (intrablock); 6, boundary of the area of the Chuya complex rocks; b: 1–12, structure-lithologic complexes of evolution stages: 1–3, oceanic (R3−Є1): ultrabasites and ophiolites (1), siliceous-carbonate deposits (2), basalts (3); 4, 5, island-arc (Є1–O1): basalts and plagiorhyolites (4), turbidites (5); 6, passive continental margin (O1–D1): carbonate-terrigenous and terrigenous deposits; 7–9, active continental margin (D1–C1): volcanic molassas, basalts, andesites, rhyolites (7), gabbro-diorite (8), and granitoid (9) associations; 10, collision (P–T): granitoids; 11, intraplate (J): granitoids; 12, undivided metamorphic deposits (PZ): gneisses, schists, eclogites, and greenschists of andalusite–sillimanite and kyanite facies series; 13, Cenozoic loose deposits (Chuya basin); 14, major (a) and accessory (b) faults; 15, outlines of the area of lamprophyres and lamproites of the Chuya complex (T1–2); 16, position of the lamproite area; 17, monzonitoid massifs (T1–2); 16, 17, designations follow Fig. 1a.

Location of dike areas of the Chuya and intrusive massifs of the Terandzhik... Available to Purchase

Published: 01 June 2015
Fig. 1. Location of dike areas of the Chuya and intrusive massifs of the Terandzhik and Tarkhata complexes in southeastern Gorny Altai ( a ) and geologic structure of southeastern Gorny Altai, after Turkin and Fedak (2008) , simplified ( b ). a : 1 , Delyun–Yustyd trough; 2 , Cenozoic
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Distribution of mineralization and Devonian and Triassic granitoids in the Yustyd ore cluster. 1, Quaternary sediments; 2, terrigenous rocks (D2-3); 3, dikes of the Chuya complex (ξχP–T); 4, faults; 5, granitoids: a, Yustyd complex (γD3), b, Mesozoic (T1); 6, diabases of the Kara-Oyuk complex (D3–C1); 7, dolerites (C1); 8, lamprophyres of the Chuya complex; 9, Ag–Sb mineralization; 10, Sn–W, Be; 11, Co–As (a), Ni–Co–As (b), Cu–Co–As (c); 12, Pb–Zn; 13, Cu.

Distribution of mineralization and Devonian and Triassic granitoids in the ... Available to Purchase

Published: 01 September 2010
Fig. 5. Distribution of mineralization and Devonian and Triassic granitoids in the Yustyd ore cluster. 1 , Quaternary sediments; 2 , terrigenous rocks (D 2-3 ); 3 , dikes of the Chuya complex (ξχP–T); 4 , faults; 5 , granitoids: a , Yustyd complex (γD 3 ), b , Mesozoic (T 1 ); 6
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Sketched geological maps of the Zhumala (a) and Sarzhematy (b) dike areas of lamprophyres and lamproites of the Chuya complex (from data of 1 :50,000 scale geological survey). 1, dikes of lamprophyres and lamproites of the Chuya complex; 2, 3, Early Jurassic: dikes of ongonites and elvans (2), granite and leucogranite massifs (3); 4, Middle Devonian dikes of dolerites; 5, Early and Middle Devonian carbonate-terrigenous deposits; 6, undivided Early Devonian volcanics (a) and dikes of rhyolites (b); 7, Silurian–Early Devonian carbonate and terrigenous deposits; 8, Middle Cambrian–Early Ordovician turbidites; 9, faults (a) and geologic boundaries (b); 10, conventional borders of areas; 11, lamproite fields.

Sketched geological maps of the Zhumala ( a ) and Sarzhematy ( b ) dike are... Available to Purchase

Published: 01 June 2015
Fig. 2. Sketched geological maps of the Zhumala ( a ) and Sarzhematy ( b ) dike areas of lamprophyres and lamproites of the Chuya complex (from data of 1 :50,000 scale geological survey). 1 , dikes of lamprophyres and lamproites of the Chuya complex; 2 , 3 , Early Jurassic: dikes of ongonites
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Correlations between incompatible elements in lamproites of the Chuya complex and in monzonitoids of the Tarkhata and Terandzhik complexes. Composition fields of: a, lamprophyres of the Chuya complex, after Vasyukova et al. (2011), average N-MORB, PM, and OIB, after Sun and McDonough (1989); GLOSS, after Plank and Langmuir (1998); sediments and slab-derivated fluids, after Ayers (1998) and Keppler (1996); lamproites of Southern Tibet and Southeastern Spain, after Gao et al. (2007) and Duggen et al. (2005), respectively. Diagram b, after La Flèche et al. (1998), dashed lines show the composition of PM; c, lines of mixing of N-MORB and 4% average-GLOSS melt, after Guo et al. (2006): symbols with numerals show the portion of sediment melt in the source (%); d, after Miller et al. (1999). 1, lamproites; 2, monzodiorite of the Tarkhata massif; 3, monzogabbro and monzonite of the Terandshik pluton.

Correlations between incompatible elements in lamproites of the Chuya compl... Available to Purchase

Published: 01 June 2015
Fig. 10. Correlations between incompatible elements in lamproites of the Chuya complex and in monzonitoids of the Tarkhata and Terandzhik complexes. Composition fields of: a , lamprophyres of the Chuya complex, after Vasyukova et al. (2011) , average N-MORB, PM, and OIB, after Sun
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Positive Th/La–Sm/La correlation in lamproites and lamprophyres of the Chuya complex. 1, 2, lamproites of the Sarzhematy (1) and Zhumala (2) areas; 3, monzodiorite of the Tarkhata massif; 4, monzogabbro and monzonite of the Terandzhik pluton. Composition fields of: lamprophyres of the Chuya complex (16 samples), after Vasyukova et al. (2011), hypothetic crustal component SALATHO and trend of subduction magmas, after Tommasini et al. (2011), lamproites of the Mediterranean area and Southern Tibet, after Prelevic et al. (2012) and Tommasini et al. (2011), lamproites of Aldan, USA, and India, after Chakrabarti et al. (2007), Cullers and Berendsen (2011), Davies et al. (2006), and Mirnejad and Bell (2006), xenoliths of MARID and glimmerites, after Grégoire et al. (2002); average GLOSS, after Plank and Langmuir (1998), OIB and N-MORB, after Sun and McDonough (1989).

Positive Th/La–Sm/La correlation in lamproites and lamprophyres of the Chuy... Available to Purchase

Published: 01 June 2015
Fig. 12. Positive Th/La–Sm/La correlation in lamproites and lamprophyres of the Chuya complex. 1 , 2 , lamproites of the Sarzhematy ( 1 ) and Zhumala ( 2 ) areas; 3 , monzodiorite of the Tarkhata massif; 4 , monzogabbro and monzonite of the Terandzhik pluton. Composition fields