Search Results - "Cherkashev, G. A."

Massive sulfide ores of the northern equatorial Mid-Atlantic Ridge by Cherkashev, G. A., Ivanov, V. N., Bel’tenev, V. I., Lazareva, L. I., Rozhdestvenskaya, I. I., Samovarov, M. L., Poroshina, I. M., Sergeev, M. B., Stepanova, T. V., Dobretsova, I. G., Kuznetsov, V. Yu

“…The optimal set of prospecting methods, including geophysical (geoelectrical), geological (mineralogical-geochemical), and hydrological observations, was…”
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Ferromanganese Crusts of the Doldrums Fracture Zone, Central Atlantic: New Data on the Chemical Composition by Konstantinova, N. P., Khanchuk, A. I., Mikhailik, P. E., Skolotnev, S. G., Ivanova, E. V., Bich, A. S., Cherkashev, G. A.

“…New data on the morphology, chemical composition, and age of the ferromanganese crusts of the Doldrums Fracture Zone, Central Atlantic, collected during the…”
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Discovery of New Hydrothermal Korallovoe (13°07′ N) and Molodezhnoe Ore Fields (13°09′ N) in the Mid-Atlantic Ridge by Makoviz, A. M., Musatov, A. E., Sergeeva, I. A., Cherkashev, G. A., Narkevsky, E. V., Shipov, R. V., Zhidkov, Z. V., Kryukov, D. A., Dobretsova, I. G., Skakovsky, V. L., Kaminsky, D. V., Stepanova, M. S., Bich, A. S., Savin, A. S.

“…During cruise 41 of the R/V Professor Logachev in 2019, two new ore fields were discovered within the Russian exploration area of the Mid-Atlantic Ridge. The…”
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Gas hydrate accumulation at the Håkon Mosby Mud Volcano by Ginsburg, G. D., Milkov, A. V., Soloviev, V. A., Egorov, A. V., Cherkashev, G. A., Vogt, P. R., Crane, K., Lorenson, T. D., Khutorskoy, M. D.

“…Gas hydrate (GH) accumulation is characterized and modeled for the Hakon Mosby Mud Volcano, ca. 1.5 km across, located on the Norway-Barents-Svalbard margin…”
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New hydrothermal sulfide fields of the Mid-Atlantic Ridge: Yubileinoe (20°09′ N) and Surprise (20°45.4′ N) by Bel’tenev, V. E., Lazareva, L. I., Cherkashev, G. A., Ivanov, V. I., Rozhdestvenskaya, I. I., Kuznetsov, V. A., Laiba, A. A., Narkevskiy, E. V.

“…Two new sulfide fields (Yubileinoe, 20°09′ N, and Surprise, 20°45.4′ N) were discovered between 20°01′ and 20°54′ N within the Russian Application Area of the…”
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230Th/U Chronology and Geochemistry of Irinovskoe Hydrothermal Field (Mid-Atlantic Ridge) by Kuznetsov, V. Yu, Tabuns, E. V., Cherkashev, G. A., Bel’tenev, V. E., Maksimov, F. E., Kuksa, K. A., Lazareva, L. I., Levchenkoa, S. B., Zherebtsov, I. E.

“…The results of 230 Th/U dating and mineralogical–geochemical studies of sulfide ores from the Irinovskoe hydrothermal field and the Severo-Zapadnoe ore…”
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Geochemistry of organic matter in bottom sediments of the Ashadze hydrothermal field by Morgunova, I. P., Ivanov, V. N., Litvinenko, I. V., Petrova, V. I., Stepanova, T. V., Cherkashev, G. A.

“…Comparative studies of the composition and distribution of the dispersed organic matter (DOM) were performed for the bottom sediments from active areas of the…”
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New hydrothermal ore fields in the Mid-Atlantic Ridge: Zenith-Victoria (20°08′ N) and Petersburg (19°52′ N) by Shilov, V. V., Bel’tenev, V. E., Ivanov, V. N., Cherkashev, G. A., Rozhdestvenskaya, I. I., Gablina, I. F., Dobretsova, I. G., Narkevskii, E. V., Gustaitis, A. N., Kuznetsov, V. Yu

“…The Mid Atlantic Ridge (MAR) is an area of active geological works, useful for studying hydrothermal systems associated with mid oceanic ridges. During annual…”
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On genesis of organic matter in bottom sediments of hydrothermal field Ashadze-1, 13° N MAR by Petrova, V. I., Kursheva, A. V., Litvinenko, I. V., Morgunova, I. P., Stepanova, T. V., Cherkashev, G. A.

“…Comparative study of genesis and structure of dispersed organic matter (DOM) from background pelagic bottom sediments and sediments inside an active…”
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Native minerals and intermetallides of noble and nonferrous metals in sediments of the Markov Deep, Mid-Atlantic Ridge by Bortnikov, N S, Mochalov, A G, Cherkashev, G A

“…The first findings of native minerals of noble metals in sediments of the Markov Deep, Mid-Atlantic Ridge are reported. The association of minerals of native…”
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Mineral Assemblages as Indicators of the Maturity of Oceanic Hydrothermal Sulfide Mounds by Mozgova, N. N., Borodaev, Yu. S., Gablina, I. F., Cherkashev, G. A., Stepanova, T. V.

“…The composition of ore minerals in MAR sulfide occurrences related to ultramafic rocks was studied using methods of mineragraphy, electron microscopy,…”
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The 230Th/U dating of sulfide ores in the ocean: Methodical possibilities, measurement results, and perspectives of application by Kuznetsov, V. Yu, Cherkashev, G. A., Bel’tenev, V. E., Lein, A. Yu, Maximov, F. E., Shilov, V. V., Stepanova, T. V.

“…Hydrothermal sulde ores discovered in 1978 (21 N East Pacic Rise, Pacic Ocean) and 1985 (Mid-Atlantic Ridge) have attracted great scientic and applied interest…”
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New hydrothermal ore field at 16°38′ N of the Mid-Atlantic Ridge by Bel’tenev, V. E., Shagin, A. A., Markov, V. F., Rozhdestvenskaya, I. I., Lazareva, L. I., Fedorov, I. P., Cherkashev, G. A., Stepanova, T. V., Poroshina, I. M., Shilov, V. V.

“…A new hydrothermal ore field at 16°38' N of the Mid-Atlantic Ridge was investigated. Data on the chemical composition of ores indicate relatively low contents…”
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Specific Compositional Features of Sediments from the Haakon Mosby Mud Volcano, Southwestern Barents Sea by Krupskaya, V V, Andreeva, I A, Sergeeva, E I, Cherkashev, G A

“…The submarine Haakon Mosby mud volcano was studied in detail during several cruises, resulting in the collection of an abundant and diverse lithological…”
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Noble metals in sulfide assemblages from deep sectors of the active TAG mound (Mid-Atlantic Ridge, 26°08′ N) by Mozgova, N N, Borodaev, Yu S, Stepanova, T V, Cherkashev, G A, Zhirnov, E A

“…Primary sulfides from cores of holes 957M, 957C, and 957H drilled during the ODP Leg 158 on the active hydrothermal TAG mound (Mid-Atlantic Ridge, 26°08′ N)…”
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Th/U Chronology and Geochemistry of Irinovskoe Hydrothermal Field by Kuznetsov, V.Yu, Tabuns, E.V, Cherkashev, G.A, Beltenev, V.E, Maksimov, F.E, Kuksa, K.A, Lazareva, L.I, Levchenko, S.B, Zherebtsov, I.E

“…The results of [sup.230]Th/U dating and mineralogical-geochemical studies of sulfide ores from the Irinovskoe hydrothermal field and the Severo-Zapadnoe ore…”
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Mineralogy of massive sulfides from the Ashadze hydrothermal field, 13°N, Mid-Atlantic Ridge by Mozgova, Nadezhda N, Trubkin, Nikolay V, Borodaev, Yuri S, Cherkashev, Georgy A, Stepanova, Tamara V, Semkova, Tatiana A, Uspenskaya, Tatiana Yu

“…The ultramafic-rock-hosted and active Ashadze submarine hydrothermal field, located at a depth of 4100-4200 m at 13°N along the Mid-Atlantic Ridge, was…”
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Tracing dust input to the Mid-Atlantic Ridge between 14 super(o)45'N and 36 super(o)14'N: Geochemical and Sr isotope study by Chavagnac, V, Lair, M, Milton, JA, Lloyd, A, Croudace, I W, Palmer, M R, Green, DRH, Cherkashev, G A

“…A geochemical and Sr isotope study was carried out on sediment cores collected from the Logatchev hydrothermal vent site (14 super(o)45'N) on the Mid-Atlantic…”
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Cu isotope composition of sulfide mineralization of ultramafic-hosted hydrothermal field (12°45′N, MAR) by Sergeev, S.A., Krymsky, R.S., Belyatsky, B.V., Kapitonov, I.N., Cherkashev, G.A.

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The role of mantle fluid in formation of modern oceanic sulfide ore: Os isotope evidences by Krymsky, R.S., Birck, J.-L., Belyatsky, B.V., Cherkashev, G.A., Stepanova, T.V., Sergeev, S.A.

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