Search Results - "Lepikhina, O. P."

Proterozoic magmatic and tectonometamorphic evolution of the Taratash complex, Central Urals, Russia by Sindern, S., Hetzel, R., Schulte, B. A., Kramm, U., Ronkin, Yu. L., Maslov, A. V., Lepikhina, O. P.

“…The Taratash Complex (TC) in the northernmost Bashkirian Anticlinorium (Middle Urals) is unique among the pre-Uralian polymetamorphic complexes along the…”
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Specific features of the distribution of trace and rare earth elements in recent bottom sediments in the lower course of the Severnaya Dvina River and White Sea by Maslov, A. V., Shevchenko, V. P., Podkovyrov, V. N., Ronkin, Yu. L., Lepikhina, O. P., Novigatsky, A. N., Filippov, A. S., Shevchenko, N. V.

“…The paper discusses results of the lithogeochemical examination of recent bottom sediments in the lower course of the Severnaya Dvina River and White Sea. It…”
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Fine-Grained Aluminosiliciclastic Rocks of the Middle Riphean Stratotype Section in the Southern Urals: Formation Conditions, Composition and Provenance Evolution by Maslov, A. V., Krupenin, M. T., Ronkin, Yu. L., Gareev, E. Z., Lepikhina, O. P., Popova, O. Yu

“…General trends of the formation of Middle Riphean fine-grained aluminosiliciclastic rocks in the Bashkir Meganticlinorium are considered. It is shown that…”
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Peculiarities of the rare-earth element distribution in the modern bottom sediments of the White Sea and the lower reaches of the Severnaya Dvina River by Maslov, A. V., Shevchenko, V. P., Ronkin, Yu. L., Lepikhina, O. P., Novigatsky, A. N., Filippov, A. S., Shevchenko, N. V.

“…The study of the rare-earth element (REE) systematics in the modern bottom sediments of the White Sea and the lower reaches of the Severnaya Dvina River showed…”
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Systematics of Th, Cr, Hf, Co, and rare-earth elements in modern bottom sediments of the white sea and lower reaches of the Severnaya Dvina River by Maslov, A. V., Shevchenko, V. P., Ronkin, Yu. L., Lepikhina, O. P., Novigatskii, A. N., Filippov, A. S., Shevchenko, N. V.

“…The peculiarities of the formation of modern bottom sediments of the White Sea and rivers flowing in it have recently attracted a great deal of attention from…”
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Vendian and Silurian ophiolite-formation stages on the eastern slope of the Middle Urals by Petrov, G. A., Ronkin, Yu. L., Maslov, A. V., Lepikhina, O. P.

“…The study of ophiolitic associations offers the opportunity to understand interrelations between the crust and mantle, trace evolution of past oceanic and…”
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The Lower-Middle Riphean boundary in the southern Urals: New isotopic U-Pb (SHRIMP II) constraints by Ronkin, Yu. L., Maslov, A. V., Kazak, A. P., Matukov, D. I., Lepikhina, O. P.

“…New isotopic U-Pb (SHRIMP II) constraints concerning the Lower-Middle Riphean boundary in the southern Urals were investigated. Data indicate that the…”
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Composition of sediment provenances and patterns in geological history of the Late Vendian Mezen Basin by Maslov, A. V., Grazhdankin, D. V., Podkovyrov, V. N., Ronkin, Yu. L., Lepikhina, O. P.

“…Formation conditions of sedimentary successions in the Mezen Basin are considered on the basis of Cr, Th, Sc, Ni, Hf, and REE distribution and model Nd age of…”
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Granitoid magmatism and hydrous metamorphism in the history of the Uralian platinum belt: Sm-Nd (ID-TIMS) isotope constraints by Efimov, A. A., Ronkin, Yu. L., Lepikhina, O. P.

“…In the early period of studies, the Platinum Belt of the Urals was regarded as a submeridional chain of differentiated gabbro intrusions. Recently grounds have…”
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New data on the composition and age of basement rocks of the Tagil paleo-island arc system by Petrov, G. A., Ronkin, Yu. L., Maegov, V. I., Tristan, N. I., Maslov, A. V., Pushkarev, E. V., Lepikhina, O. P.

“…The Tagil paleo-island arc terrane is composed of Late Ordovician-Devonian intrusive, volcanic, and volcano-sedimentary complexes. The western margin of the…”
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Provenance composition and features of geological evolution of the Late Vendian foreland basin of the Timan orogen by Maslov, A. V., Grazhdankin, D. V., Podkovyrov, V. N., Isherskaya, M. V., Krupenin, M. T., Petrov, G. A., Ronkin, Yu. L., Gareev, E. Z., Lepikhina, O. P.

“…The provenance composition and geological evolution of different segments in the distal zone of the Late Vendian foreland basin of the Timan orogen were…”
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Sm-Nd and Rb-Sr ages of gabbroids, granitoids, and titanomagnetite ores from layered intrusions of the Kusa-Kopan Complex (South Urals) by Kholodnov, V. V., Fershtater, G. B., Ronkin, Yu. L., Borodina, N. S., Pribavkin, S. V., Lepikhina, O. P.

“…A band of layered gabbro intrusions belonging to the Kusa-Kopan Complex is confined to the zone of the Zyuratkul riftogenic fault in the eastern part of the…”
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Timing of the onset of collision in the Central and Northern Urals by Petrov, G. A., Ronkin, Yu. L., Maslov, A. V., Svyazhina, I. A., Rybalka, A. V., Lepikhina, O. P.

“…A study investigated the hierarchy of collision events and related rock associations in orogenic systems in the Central and Northern Urals. Data indicate that…”
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Granitoids of the Ufalei block (South Urals): Sr-Nd isotope systematics, geodynamic position and genetic reconstructions by Ronkin, Yu. L., Shardakova, G. Yu, Maslov, A. V., Shagalov, E. S., Lepikhina, O. P.

“…Petrogeochemical and isotopic-geochronological signatures in granitoids developed in structures with complex geological history represent an important feature…”
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Oldest (3.5 Ga) zircons of the Urals: U-Pb (SHRIMP-II) and T DM constraints by Ronkin, Yu. L., Sindern, S., Maslov, A. V., Matukov, D. I., Kramm, U., Lepikhina, O. P.

“…The formation of the Uralian foldbelt based on mineralogical and geochemical evidence was investigated. Based on the new UPb and Sm Nd data, the age of…”
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The nature and age of the Suroyam clinopyroxenite massif (Middle Urals) by Puchkov, V. N., Zhilin, I. V., Ronkin, Yu. L., Volchenko, Yu. A., Lepikhina, O. P.

“…The Suroyam alkaline ultrabasite syenite (mainly pyroxenite) massif, including the Suroyam apatite titanomagnetite deposit, is a part of the Nyazepetrovsk…”
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Riphean fine-grained aluminosilicate clastic rocks in the Southern Urals, Uchur-Maya area, and the Yenisei Kryazh: Principal litho-geochemical characteristics by Maslov, A. V., Nozhkin, A. D., Podkovyrov, V. N., Letnikova, E. F., Turkina, O. M., Ronkin, Yu. L., Dmitrieva, N. V., Gareev, E. Z., Lepikhina, O. P., Popova, O. Yu

“…Analysis of the litho-geochemistry of fine-grained terrigenous rocks (metapelites, shales, and mudstones) of sedimentary megasequences in the Southern Urals,…”
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U-Pb (SHRIMP II) age of zircons from ash beds of the chernokamen formation, Vendian Sylvitsa group (Central Urals) by Ronkin, Yu. L., Grazhdankin, D. V., Maslov, A. V., Mizens, G. A., Matukov, D. I., Krupenin, M. T., Petrov, G. A., Lepikhina, O. P., Kornilova, A. Yu

“…The Serebryanka and Sylvitsa groups on the western slope of the Urals characterize the Vendian section of the eastern folded framework of the East European…”
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New data on the Precambrian age of Marunkeu eclogites (Polar Urals) by Andreichev, V. L., Ronkin, Yu. L., Serov, P. A., Lepikhina, O. P., Litvinenko, A. F.

“…New data on the Precambrian age of Marunkeu eclogites (Polar Urals) are presented. All the geochronological data derived from different isotopic systems…”
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REE systematics and Nd model age of Upper Vendian argillites of the Shkapovo-Shikhan Depression by Maslov, A. V., Ronkin, Yu. L., Isherskaya, M. V., Lepikhina, O. P.

“…The Shakapovo Shikhan Depression one of the largest in the eastern part of the East European Platformis lled with Upper Vendian sedimentary rocks of the…”
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