Search Results - "Demonterova, E. I."

The Butugol Block: A Precambrian Exotic Block in the Basement of the Tuva–Mongolian Microcontinent (Eastern Sayan) by Shkolnik, S. I., Belyaev, V. A., Letnikova, E. F., Demonterova, E. I., Bryansky, N. V., Kolesov, K. K., Ivanov, A. V.

“…The isotope–geochronological and geochemical data on the age and composition of rocks of the Butugol Block, located in the eastern part of the Tuva–Mongolian…”
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Geochemical Criteria for the Classification of Dolerite Dikes in the Central Part of the Baikal Basement Inlier of the Siberian Craton by Donskaya, T. V., Gladkochub, D. P., Mazukabzov, A. M., Demonterova, E. I., Efremova, U. S.

“…— The paper presents detailed geological, petrographic, geochemical, and isotope data on the dolerites from dykes of the Baikal dike subswarm in the central…”
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Feldspar Megacrysts as a Source of Information on Crustal Contamination of Basaltic Melt by Demonterova, E. I., Ivanov, A. V., Palessky, S. V., Posokhov, V. F., Karmanov, N. S., Pel’gunova, L. A.

“…— The paper discusses data on the elemental composition and 87 Sr/ 86 Sr, and δ 18 O isotopic ratios of feldspar megacrysts collected from lava flows, tuffs,…”
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Age and Melt Sources of Ultramafic Dykes and Rocks of the Bolshetagninskii Alkaline Carbonatite Massif (Urik-Iya Graben, SW Margin of the Siberian Craton) by Savelyeva, V. B., Danilova, Yu. V., Letnikov, F. A., Demonterova, E. I., Yudin, D. S., Bazarova, E. P., Danilov, B. S., Sharygin, I. S.

“…The age of rocks of the Bolshetagninskii ijolite–syenite–carbonatite massif and ultramafic dykes within the Urik-Iya Graben in the southwestern part of the…”
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Age of Granulites of the Cheremshanskaya Unit (Sharyzhalgai Uplift, Siberian Craton, Russia): New Data by Vysotskiy, S. V., Khanchuk, A. I., Levitskii, V. I., Demonterova, E. I., Levitskii, I. V., Ignatiev, A. V., Velivetskaya, T. A.

“…The present paper presents new U–Pb and Sm–Nd age data obtained for granulites of the Cheremshanskaya Unit enclosing metamorphosed volcano-sedimentary sulfide…”
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Geochemistry and Petrogenesis of Mesoproterozoic Dykes of the Irkutsk Promontory, Southern Part of the Siberian Craton by T. V. Donskaya, D. P. Gladkochub, R. E. Ernst, S. A. Pisarevsky, A. M. Mazukabzov, E. I. Demonterova

“…We present new geochemical and Nd isotopic data on two Mesoproterozoic Listvyanka (1350 ± 6 Ma) and Goloustnaya (1338 ± 3 Ma) mafic dyke swarms located in the…”
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Sr and Nd isotope composition of deformed peridotite xenoliths from Udachnaya kimberlite pipe by Surgutanova, E. A., Agashev, A. M., Demonterova, E. I., Golovin, A. V., Pokhilenko, N. P.

“…New results of Rb–Sr and Sm–Nd isotope analyses have been obtained on samples of deformed peridotite xenoliths collected from the Udachnaya kimberlite pipe…”
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THE GENESIS OF GARNET-PYROXENE SYENITES (SVIATONOSSITES) OF THE MALOBYSTRINSKY MASSIF (SLYUDYANKA COMPLEX, SOUTH BAIKAL REGION): RESULTS OF GEOCHEMICAL AND ISOTOPIC STUDIES by Demonterova, E. I., Reznitsky, L. Z., Ivanov, A. V.

“…This paper deals with the study of syenites and sviatonossites (andradite-bearing syenites) of the Malobystrinsky massif of the Slyudyanka complex (South…”
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People Traveled together with Ocher and Stone Reserves. Micro-XRF Mapping of Artifacts (Kovrizhka IV Upper Paleolithic Site, Transbaikal) by Tetenkin, A V, Demonterova, E I, Statkus, M A, Abdrashitova, I V

“…Ocher traces on artifacts from the Kovrizhka IV Upper Paleolithic site (Baikal-Patom Highlands, Transbaikal) are studied with micro-X-ray fluorescence analysis…”
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Petrographic-geochemical types of Triassic alkaline ultramafic rocks in the Northern Anabar province, Yakutia, Russia by Kargin, A. V., Golubeva, Yu. Yu, Demonterova, E. I., Koval’chuk, E. V.

“…A classification suggested for alkaline ultramafic rocks of the Ary-Mastakh and Staraya Rechka fields, Northern Anabar Shield, is based on the modal…”
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Carbonate–Alkaline Metasomatites of the Peschanoe Uranium Occur (Western Baikal Region): Mineral-Geochemical and Isotope-Geochemical Characteristics by Savelyeva, V. B., Bazarova, E. P., Demonterova, E. I., Ivanov, A. V.

“…—Metasomatic alterations in cataclased granites of the Primorsky Complex PR 1 in the Southern Siberian Craton are represented by albitization and…”
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History and current state of analytical research at the Institute of the Earth’s Crust SB RAS: Centre for geodynamics and geochronology by Ivanov, A. V., Demonterova, E. I., Revenko, A. G., Sharygin, I. S., Kozyreva, E. A., Alexeev, S. V.

“…The article discusses the history of the development of analytical research at the Institute of the Earth’s Crust, Siberian Branch of the Russian Academy of…”
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TWO STAGES OF THE CENOZOIC ALKALINE-BASALT VOLCANISM IN THE DARKHAD DEPRESSION (NORTHERN MONGOLIA) – GEOCHRONOLOGY, GEOCHEMISTRY, AND GEODYNAMIC CONSEQUENCES by Tsypukova, S. S., Perepelov, A. B., Demonterova, E. I., Ivanov, A. V., Dril, S. I., Kuzmin, M. I., Travin, A. V., Shcherbakov, Yu. D., Puzankov, M. Yu, Kanakin, S. V.

“…The isotopic data showed that there are two stages distinguished in the Cenozoic history of the Darkhad depression volcanic activity, the Late Oligocene…”
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METATERRIGENIOUS ROCKS OF THE OLKHON TERRANE OF THE CENTRAL ASIAN OROGENIC BELT: U-Pb ZIRCON AGE, GEOCHEMICAL CHARACTERISTICS, AND FORMATION MODELS OF SEDIMENTARY PROTOLITHS by Donskaya, T. V., Gladkochub, D. P., Mazukabzov, A. M., Sklyarov, E. V., Khubanov, V. B., Demonterova, E. I., Motova, Z. L.

“…The paper presents a petrographic, geochemical, and Sm-Nd isotopic data on the gneisses from different tectonic zones of the Olkhon terrane of the Central…”
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New carbonatite complex in the western Baikal area, southern Siberian craton: Mineralogy, age, geochemistry, and petrogenesis by Savelyeva, V. B., Demonterova, E. I., Danilova, Yu. V., Bazarova, E. P., Ivanov, A. V., Kamenetsky, V. S.

“…A dike–vein complex of potassic type of alkalinity recently discovered in the Baikal ledge, western Baikal area, southern Siberian craton, includes calcite and…”
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Provenance change in the Irkutsk coal basin during the early and middle Jurassic: Geochemical and Sm-Nd isotope evidence by Mikheeva, E. A., Demonterova, E. I., Frolov, A. O., Arzhannikova, A. V., Arzhannikov, S. G., Cherkashina, T. Yu, Ivanov, A. V.

“…On the basis of the recently accepted chronostratigraphic chart, Jurassic sedimentation in the Irkutsk coal basin took place over a short time interval (~23…”
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LATE CENOZOIC VOLCANISM OF THE UDA RIVER AREA (EASTERN SAYAN, SIBERIA): THE FIRST GEOCHEMICAL AND ISOTOPIC DATA by Demonterova, E. I., Ivanov, A. V., Perepelov, A. B.

“…Volcanic eruptions within the Baikal rift of predominantly basaltic composition belong to numerous small-volume eruptions, which took place in Cenozoic in…”
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Eclogite trace in evolution of Late Cenozoic alkaline basalt volcanism on the southwestern flank of the Baikal Rift Zone: Geochemical features and geodynamic consequences by Perepelov, A. B., Kuzmin, M. I., Tsypukova, S. S., Demonterova, E. I., Ivanov, A. V., Shcherbakov, Yu. D., Puzankov, M. Yu, Odgerel, D., Bat-Ulzii, D.

“…Eclogitized material from the oceanic lithosphere are the most likely source of alkaline basalt magmas in the formation of Late Cenozoic volcanic areas on the…”
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Source Provenance and Paleogeographic Conditions during Deposition of Jurassic Continental Sediments in the Southern Part of the Siberian Platform (Implication of Sm–Nd and U–Pb Data) by Demonterova, E. I., Ivanov, A. V., Mikheeva, E. A., Arzhannikova, A. V., Frolov, A. O., Arzhannikov, S. G., Bryanskiy, N. V., Pavlova, L. A., Reznitskii, L. Z., Zarubina, O. V.

“…The first Sm–Nd isotopic data and U–Pb (LA–ICP–MS) detrital zircon ages from sandstones of the Prisayan and Kuda Formations (the Irkutsk Basin, southern part…”
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Helium isotopes provide no evidence for deep mantle involvement in widespread Cenozoic volcanism across Central Asia by Barry, T.L., Ivanov, A.V., Rasskazov, S.V., Demonterova, E.I., Dunai, T.J., Davies, G.R., Harrison, D.

“…Small-volume alkali basaltic volcanism has occurred intermittently for the past + 30 My across a vast area of thick continental crust from southern Siberia,…”
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