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Porozhnaya Massif

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The composition of alkaline pyroxenes from the Porozhnaya massif alkaline syenite (sample P-07-10) and the alkaline trachyte (sample P-07-12) on the Ca-Mg-Fe- and Na-pyroxenes diagram according to the classification given in (Morimoto et al., 1988). 1, alkaline syenite, 2, alkaline trachyte. Wo, Wollas-tonite; En, enstatite; Fs, ferrosilite; Jd, jadeite; Ae, aegirine.

The composition of alkaline pyroxenes from the Porozhnaya massif alkaline s... Available to Purchase

Published: 01 May 2010
Fig. 3. The composition of alkaline pyroxenes from the Porozhnaya massif alkaline syenite (sample P-07-10) and the alkaline trachyte (sample P-07-12) on the Ca-Mg-Fe- and Na-pyroxenes diagram according to the classification given in ( Morimoto et al., 1988 ). 1 , alkaline syenite, 2 , alkaline
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The composition of amphiboles from the Porozhnaya massif alkaline syenite (sample P-07-10) and the alkaline trachyte (sample P-07-12) on the classification diagrams for Na-Ca-amphiboles (a) and Na-amphiboles (b) after (Leake et al., 1997, 2004). Refer to Fig. 3 for conventional indicators.

The composition of amphiboles from the Porozhnaya massif alkaline syenite (... Available to Purchase

Published: 01 May 2010
Fig. 4. The composition of amphiboles from the Porozhnaya massif alkaline syenite (sample P-07-10) and the alkaline trachyte (sample P-07-12) on the classification diagrams for Na-Ca-amphiboles ( a ) and Na-amphiboles ( b ) after ( Leake et al., 1997 , 2004 ). Refer to Fig. 3 for conventional
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Ca-pyroxenes composition from the Porozhnaya massif alkaline trachyte (sample P-07-12) on the Ca2Si2O6–Mg2Si2O6–Fe2Si2O6-diagram according to the classification given in (Morimoto et al., 1988). Refer to Fig. 3 for conventional indicators.

Ca-pyroxenes composition from the Porozhnaya massif alkaline trachyte (samp... Available to Purchase

Published: 01 May 2010
Fig. 5. Ca-pyroxenes composition from the Porozhnaya massif alkaline trachyte (sample P-07-12) on the Ca 2 Si 2 O 6 –Mg 2 Si 2 O 6 –Fe 2 Si 2 O 6 -diagram according to the classification given in ( Morimoto et al., 1988 ). Refer to Fig. 3 for conventional indicators.
Journal Article

Middle Paleozoic and Early Mesozoic anorogenic magmatism of the South Yenisei Ridge: first geochemical and geochronological data Available to Purchase

A.E. Vernikovskaya, V.A. Vernikovsky, N.Yu. Matushkin, I.V. Romanova, N.G. Berejnaya, A.N. Larionov, A.V. Travin
Published: 01 May 2010
Russ. Geol. Geophys. (2010) 51 (5): 548–562.
DOI: https://doi.org/10.1016/j.rgg.2010.04.010
...Fig. 3. The composition of alkaline pyroxenes from the Porozhnaya massif alkaline syenite (sample P-07-10) and the alkaline trachyte (sample P-07-12) on the Ca-Mg-Fe- and Na-pyroxenes diagram according to the classification given in ( Morimoto et al., 1988 ). 1 , alkaline syenite, 2 , alkaline...
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View PDF for article title, Middle Paleozoic and Early Mesozoic anorogenic magmatism of the South Yenisei Ridge: first geochemical and geochronological data
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(Na2O+K2O-CaO)–SiO2 (a) and FeO*/(FeO*+MgO)–SiO2 (b) diagrams after (Frost et al., 2001) for the Porozhnaya massif leucogranites.

(Na 2 O+K 2 O-CaO)–SiO 2 ( a ) and FeO * /(FeO * +MgO)–SiO 2 ( b ) diagra... Available to Purchase

Published: 01 May 2010
Fig. 6. (Na 2 O+K 2 O-CaO)–SiO 2 ( a ) and FeO * /(FeO * +MgO)–SiO 2 ( b ) diagrams after ( Frost et al., 2001 ) for the Porozhnaya massif leucogranites.
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Chondrite-normalized REE content (a) and primitive mantle-normalized spider diagram (b) after (McDonough and Sun, 1995) for rocks of the Porozhnaya massif. 1, leucogranites; 2, alkaline trachytes; 3, alkaline syenites.

Chondrite-normalized REE content ( a ) and primitive mantle-normalized spid... Available to Purchase

Published: 01 May 2010
Fig. 7. Chondrite-normalized REE content ( a ) and primitive mantle-normalized spider diagram ( b ) after ( McDonough and Sun, 1995 ) for rocks of the Porozhnaya massif. 1 , leucogranites; 2 , alkaline trachytes; 3 , alkaline syenites.
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Diagrams with concordia for zircons from the leucogranite (sample P-07-1) (a) and the alkaline trachyte (sample P-07-12) (b) from the Porozhnaya massif with cathodoluminescence photomicrographs of typical zircons. Ellipses are uncertainties (2σ) of SHRIMP-II analytical results at particular points (Table 2).

Diagrams with concordia for zircons from the leucogranite (sample P-07-1) (... Available to Purchase

Published: 01 May 2010
Fig. 8. Diagrams with concordia for zircons from the leucogranite (sample P-07-1) ( a ) and the alkaline trachyte (sample P-07-12) ( b ) from the Porozhnaya massif with cathodoluminescence photomicrographs of typical zircons. Ellipses are uncertainties (2σ) of SHRIMP-II analytical results
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Geological scheme of the Severnaya volcanic-tectonic depression after large-scale mapping data of V.V. Semenyako and A.A. Serednev with alteration. 1, gneisses, crystalline slates (PP); 2, Taraka complex granitoids (PP3?); Porozhnaya massif: 3, rhyolites, eruptive breccias, tuff breccias, ignimbrites (D); 4, leucogranites (D2); 5, alkaline granites (T?); 6, alkaline syenites, alkaline trachytes (T1-2). 7, mylonitization zones; 8, faults reliably traced (a), inferred (b).

Geological scheme of the Severnaya volcanic-tectonic depression after large... Available to Purchase

Published: 01 May 2010
Fig. 2. Geological scheme of the Severnaya volcanic-tectonic depression after large-scale mapping data of V.V. Semenyako and A.A. Serednev with alteration. 1 , gneisses, crystalline slates (PP); 2 , Taraka complex granitoids (PP3?); Porozhnaya massif: 3 , rhyolites, eruptive breccias, tuff
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Ar-Ar age spectra of biotites and muscovites from granitoids of Yenisei Ridge. Samples from massifs: a, b — Lendakha (E-625-5), c —Chistopol’ (623-1), d — Porozhnaya (99223).

Ar-Ar age spectra of biotites and muscovites from granitoids of Yenisei Rid... Available to Purchase

Published: 01 January 2007
Fig. 10. Ar-Ar age spectra of biotites and muscovites from granitoids of Yenisei Ridge. Samples from massifs: a , b — Lendakha (E-625-5), c —Chistopol’ (623-1), d — Porozhnaya (99223).
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Geological sketch map of the Angara–Kan basement wedge of the Yenisei Ridge (modified after Popov (2001), Vernikovsky et al. (1999), Vernikovskaya et al. (2004, 2010) showing the location of the study area. 1, 2, Phanerozoic (1) and Late Proterozoic (2) rocks; 3, Porozhnaya syenite, alkaline granite, and trachyte massif (D2–T1–2); 4, Yukseev island-arc-ophiolite complex (NP3); 5, Lower Kan and Posolnaya granites (a) and diorites (b) (PZ1); 6, porphyroblastic gneisses and granite-gneisses around the Posolnaya granites (MP3–NP1); 7, Tarak granite-gneiss complex (PR1); 8, migmatite-gneiss complex (PR1); 9, Kimbir layered gabbronorite complex (PR1?); 10, Yenisei amphibolite-gneiss complex (PR1): two-mica gneisses, biotite, biotite-amphibole orthogneisses, amphibolites, and interlayers of metacarbonate rocks; 11, Ataman granulite-gneiss complex (AR?); 12, charnokite-gniess complex (AR?); 13, Kuzeev granulite-metabasite-gneiss complex (AR?); 14, faults: extensive fault zones with blastomylonites and cataclasites (a), thrusts (b), and major faults (c); 15, sampling locations. The inset shows the location of the Yenisei Ridge in the Siberian craton.

Geological sketch map of the Angara–Kan basement wedge of the Yenisei Ridge... Available to Purchase

Published: 01 June 2015
, Porozhnaya syenite, alkaline granite, and trachyte massif (D 2 –T 1–2 ); 4 , Yukseev island-arc-ophiolite complex (NP 3 ); 5 , Lower Kan and Posolnaya granites ( a ) and diorites ( b ) (PZ 1 ); 6 , porphyroblastic gneisses and granite-gneisses around the Posolnaya granites (MP 3 –NP 1 ); 7 , Tarak
Journal Article

A -type leucogranite magmatism in the evolution of continental crust on the western margin of the Siberian craton Available to Purchase

A.E. Vernikovskaya, V.A. Vernikovsky, E.B. Sal’nikova, A.B. Kotov, V.P. Kovach, A.V. Travin, M.T.D. Wingate
Published: 01 January 2007
Russ. Geol. Geophys. (2007) 48 (1): 3–16.
DOI: https://doi.org/10.1016/j.rgg.2006.12.002
...Fig. 10. Ar-Ar age spectra of biotites and muscovites from granitoids of Yenisei Ridge. Samples from massifs: a , b — Lendakha (E-625-5), c —Chistopol’ (623-1), d — Porozhnaya (99223). ...
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View PDF for article title, A -type leucogranite magmatism in the evolution of continental crust on the western margin of the Siberian craton
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The geodynamic evolution of the folded framing and the western margin of the Siberian craton in the Neoproterozoic: geological, structural, sedimentological, geochronological, and paleomagnetic data Available to Purchase

V.A. Vernikovsky, A.Yu. Kazansky, N.Yu. Matushkin, D.V. Metelkin, J.K. Sovetov
Published: 01 April 2009
Russ. Geol. Geophys. (2009) 50 (4): 380–393.
DOI: https://doi.org/10.1016/j.rgg.2009.03.014
... Ridge. 1 , Early Cambrian Lebyazh’ya Formation; 2–4 , Late Neoproterozoic (Vendian), Chapa Group: 2 , Nemchan Formation; 3 , Pod’em Formation; 4 , Porozhnaya molasse sedimentary basin; 5–8 , Middle–Late Neoproterozoic, Vorogovka Group: 5 , Sukhaya Rechka Formation; 6 , Mutnaya Formation; 7...
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View PDF for article title, The geodynamic evolution of the folded framing and the western margin of the Siberian craton in the Neoproterozoic: geological, structural, sedimentological, geochronological, and paleomagnetic data
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Journal Article

YERUDA AND CHIRIMBA GRANITOIDS ( Yenisei Ridge ) AS INDICATORS OF NEOPROTEROZOIC COLLISIONS Available to Purchase

A. E. Vernikovskaya, V. A. Vernikovsky, E. B. Sal’nikova, V. M. Datsenko, A. B. Kotov, V. P. Kovach, A. V. Travin, S. Z. Yakovleva
Published: 01 March 2002
Russ. Geol. Geophys. (2002) 43 (3): 259–272.
...A. E. Vernikovskaya; V. A. Vernikovsky; E. B. Sal’nikova; V. M. Datsenko; A. B. Kotov; V. P. Kovach; A. V. Travin; S. Z. Yakovleva Petrological, geochemical, and isotopic (U-Pb, Sm-Nd, Sr-Sr, Ar-Ar) studies of the Yeruda and Chirimba granitoid massifs show that they belong to different magmatic...
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View PDF for article title, YERUDA AND CHIRIMBA GRANITOIDS ( Yenisei Ridge ) AS INDICATORS OF NEOPROTEROZOIC COLLISIONS
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Late Riphean Borisikha ophiolite (Yenisei Ridge): U-Pb zircon age and tectonic setting Available to Purchase

A.B. Kuzmichev, I.P. Paderin, A.V. Antonov
Published: 01 December 2008
Russ. Geol. Geophys. (2008) 49 (12): 883–893.
DOI: https://doi.org/10.1016/j.rgg.2008.03.005
... and western margins of the Siberian Platform calls for special study. The Borisikha massif consists of mafic-ultramafic rocks that have preserved initial stratification. The lower part of the section is composed mainly of serpentinites, and the upper part, mainly of amphibolites. The serpentinite part...
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View PDF for article title, Late Riphean Borisikha ophiolite (Yenisei Ridge): U-Pb zircon age and tectonic setting
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TECTONICS AND EVOLUTION OF GRANITOID MAGMATISM IN THE YENISEI RIDGE Available to Purchase

V.A. Vernikovsky, A.E. Vernikovskaya
Published: 01 January 2006
Russ. Geol. Geophys. (2006) 47 (1): 35–52.
... correspond chiefly to granulite facies, and the third, to amphibolite facies of regional metamorphism [ 19 , 22 , 26 , 28 ]. The rocks of the Kan granulite complex host the concordantly extending Taraka massif of porphyraceous biotite-microcline granitoids, including weakly alkaline granitoids...
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View PDF for article title, TECTONICS AND EVOLUTION OF GRANITOID MAGMATISM IN THE YENISEI RIDGE
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Late Neoproterozoic adakites of the Yenisei Ridge (Central Siberia) : petrogenesis, geodynamics, and U/Pb age Available to Purchase

A.E. Vernikovskaya, V.A. Vernikovsky, N.Yu. Matushkin, P.I. Kadil’nikov, I.V. Romanova, A.N. Larionov
Published: 01 October 2017
Russ. Geol. Geophys. (2017) 58 (10): 1154–1170.
DOI: https://doi.org/10.1016/j.rgg.2016.12.008
...A.E. Vernikovskaya; V.A. Vernikovsky; N.Yu. Matushkin; P.I. Kadil’nikov; I.V. Romanova; A.N. Larionov Abstract Based on new geological, structural, mineralogical, geochemical, and isotope (Sm–Nd, Rb–Sr, and U–Th–Pb) data for igneous intrusions and metamorphic rocks of the Zimoveinyi massif...
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View PDF for article title, Late Neoproterozoic adakites of the Yenisei Ridge (Central Siberia) : petrogenesis, geodynamics, and U/Pb age
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Neoproterozoic evolution of Rodinia: constraints from new paleomagnetic data on the western margin of the Siberian craton Available to Purchase

D.V. Metelkin, V.A. Vernikovsky, A.Yu. Kazansky
Published: 01 January 2007
Russ. Geol. Geophys. (2007) 48 (1): 32–45.
DOI: https://doi.org/10.1016/j.rgg.2006.12.004
... including ophiolite slices. Zircons from island-arc plagiogranites of the Porozhnaya massif show the age 697±4 Ma ( Vernikovsky et al., 2003 ). Rb-Sr and K-Ar analyses of metamorphic minerals from island-arc gabbroids and garnet amphibolites indicate island-arc accretion to the Siberian craton at 620-600 Ma...
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View PDF for article title, Neoproterozoic evolution of Rodinia: constraints from new paleomagnetic data on the western margin of the Siberian craton
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The evolution of the subduction zone magmatism on the Neoproterozoic and Early Paleozoic active margins of the Paleoasian Ocean Available to Purchase

I.V. Gordienko, D.V. Metelkin
Published: 01 January 2016
Russ. Geol. Geophys. (2016) 57 (1): 69–81.
DOI: https://doi.org/10.1016/j.rgg.2016.01.005
... were also identified for the Arzybei island arc in the northeastern part of East Sayan. This arc is correlated with the 1100 Ma (U–Pb) Argydzhek pyroxenite-anorthosite-gabbro massif in the upper reaches of the Mana River. The ages of plagiogranites and trondhjemites confined to this arc yielded U–Pb...
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View PDF for article title, The evolution of the subduction zone magmatism on the Neoproterozoic and Early Paleozoic active margins of the Paleoasian Ocean
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Journal Article

The Upper Riphean of the Yenisei Range Available to Purchase

V.V. Khomentovsky
Published: 01 September 2007
Russ. Geol. Geophys. (2007) 48 (9): 711–720.
DOI: https://doi.org/10.1016/j.rgg.2007.08.002
... . Vernikovsky , V.A. , Vernikovskaya , A.E. , Chernykh , A.I. , Sal’nikova , E.B. , Kotov , A.B. , Kovach , V.P. , Yakovleva , S.Z. , Fedoseenko , A.M. , 2001 . Porozhnaya granitoids of the Enisei ophiolite belt: Indicators of Neoproterozoic events on the Enisei Ridge . Dokl...
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Geochemistry of Riphean terrigenous rocks in the Southern Urals and Siberia and variations of the continental-crust maturity Available to Purchase

A.D. Nozhkin, A.V. Maslov, V.N. Podkovyrov, O.M. Turkina, E.F. Letnikova, Yu.L. Ronkin, M.T. Krupenin, N.V. Dmitrieva, E.Z. Gareev, O.P. Lepikhina
Published: 01 February 2009
Russ. Geol. Geophys. (2009) 50 (2): 71–86.
DOI: https://doi.org/10.1016/j.rgg.2008.06.017
... ( Shenfil’, 1991 ). The Sukhoi Pit Group section is terminated by the Sosnovka Formation (250–600 m) consisting of variegated limestones, dolomites, sandstones, argillaceous shales, and tuffaceous rocks. The granitoids of the Teya and Kalama massifs intruding the deposits of the Teya Group and lower...
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View PDF for article title, Geochemistry of Riphean terrigenous rocks in the Southern Urals and Siberia and variations of the continental-crust maturity
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