Search Results - "Afanasiev, V P"

Composition and PGE Distribution in Suevite of the Popigai Astrobleme by Agasheva, E. V., Kozmenko, O. A., Malygina, E. V., Afanasiev, V. P., Pokhilenko, N. P.

“…The data on the concentrations of major and trace elements, including platinum group elements (PGE) and Re, in suevite samples collected in different parts of…”
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Morphology of Crystals Growing in Impact Diamonds of the Popigai Astrobleme (Experimental Data) by Chepurov, A. I., Zhimulev, E. I., Sonin, V. M., Chepurov, A. A., Karpovich, Z. A., Goryainov, S. V., Afanasiev, V. P., Pokhilenko, N. P.

“…Experimental results on the growth of cubic diamond on lonsdaleite-bearing diamonds from the Popigai astrobleme at 5.5 GPa and 1450°C in the Fe–Ni–C system are…”
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Kimberlitic Magmatism in the South-Western Flank of the Vilui Basin by Afanasiev, V. P., Pokhilenko, N. P., Grinenko, V. S., Kostin, A. V., Malkovets, V. G., Oleinikov, O. B.

“…We have analyzed 141 grains of pyrope from Neogene sediments in a quarry of construction materials, in the Kenkeme River catchment, along its left-side…”
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Morphological Features of Diamond Crystals Dissolved in Fe0.7S0.3 Melt at 4 GPa and 1400°C by Sonin, V. M., Zhimulev, E. I., Pomazanskiy, B. S., Zemnuhov, A. L., Chepurov, A. A., Afanasiev, V. P., Chepurov, A. I.

“…An experimental study of the dissolution of natural and synthetic diamonds in a sulfur-bearing iron melt (Fe 0.7 S 0.3 ) with high P–T parameters (4 GPa,…”
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Application of the Methods Used to Interpret the Electron Spectroscopy Spectra to Interpret Ion Spectroscopy Signals by Afanasiev, V. P., Lobanova, L. G.

“…An analytical model for describing the energy spectra of light medium-energy ions reflected from the surface of a solid, or medium-energy ion spectra (MEIS),…”
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XENOLITHS OF POLYMICTIC BRECCIAS FROM KIMBERLITES OF THE YAKUTIAN DIAMONDIFEROUS PROVINCE by Pokhilenko, L. N., Pokhilenko, N. P., Afanasiev, V. P.

“…The polymictic breccias, extremely rare mantle conglomerates being the fragments of rocks and large mantle minerals cemented with fine-grained mass have been…”
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Comparison of the I and IV Diamond Types (According to Orlov’s Classification) from the Snap Lake Deposit (Slave Craton, Canada) by Ivanova, O. A., Pokhilenko, N. P., Afanasiev, V. P., Zedgenizov, D. A., Barabash, E. O.

“…Diamonds of I and IV types (according to Yu.L. Orlov’s classification) from Snap Lake kimberlites were studied. Based on study of the morphology,…”
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Perspectives of the Development and Problems of Exploration of a Resource Base of Deficient Strategic Mineral Deposits of Siberia by Pokhilenko, N. P., Afanasiev, V. P., Tolstov, A. V., Kruk, N. N., Pokhilenko, L. N., Ivanova, O. A.

“…The state of art of the mineral-resource base of strategic solid mineral deposits in Russia in general, and in Siberia in particular, is reviewed. Special…”
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Texture and Structure Features of Yakutites from Placers of the Anabar Diamondiferous Region by Ugap’eva, S. S., Molotkov, A. E., Gromilov, S. A., Afanasiev, V. P., Pavlushin, A. D., Eliseev, A. P., Popov, V. I.

“…This paper reports new study data on structural features of polycrystalline diamonds (yakutites) from placers of the Anabar diamondiferous region obtained by…”
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On the Prospects of Diamond Content of the Southern Side of the Vilyui Syneclise by Afanasiev, V. P., Pohilenko, N. P., Kuligin, S. S., Samdanov, D. A.

“…—The paper describes indicator minerals of kimberlites found on the southern side of the Vilyui syneclise in the Markha River basin, a tributary of the Lena…”
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LITHOSPHERIC MANTLE COMPOSITION AND STRUCTURE VARIATIONS UNDER THE SIBERIAN PLATFORM KIMBERLITE FIELDS OF DIFFERENT AGES by Pokhilenko, N. P., Afanasiev, V. P., Agashev, A. M., Pokhilenko, L. N., Tychkov, N. S.

“…We discuss herein the differences both in composition and structure of the lithospheric mantle of the Siberian Platform under kimberlite fields of different…”
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The Most Ancient Diamond Crystals of the Siberian Platform by Afanasiev, V. P., Pokhilenko, N. P., Egorova, E. O., Lindenblot, E. S.

“…Based on a study of diamond grains from placers of the northeastern Siberian Platform, it is shown that certain types of diamonds (rounded dodecahedroids,…”
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Comparative Characteristics of Impact Diamonds of the Popigai Astrobleme and Synthetic Diamonds Produced by Explosion by Afanasiev, V. P., Pruuel, É. R, Kurepin, A. E., Gromilov, S. A., Vityaz, P. A.

“…The paper presents the characteristics of impact diamonds from the Popigai meteorite crater, formed by martensite transformation of graphite-bearing gneisses…”
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POSSIBLE EVIDENCE FOR THE EXISTENCE OF VOLCANOGENIC MAGMATISM IN THE SINYAYA RIVER BASIN AT THE SOUTHERN FLANK OF THE VILYUI SYNECLISE by Baranov, V. V., Grinenko, V. S., Afanasiev, V. P., Ugapieva, S. S., Pokhilenko, N. P., Popov, N. V., Zayakina, N. V., Vasilieva, T.  I.

“…The results of different-extension geological survey, exploration and thematic work methods show that the Vilyui syneclise is relatively amagmatic. However,…”
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Moissanites of the Popigai Astrobleme by Gromilov, S. A., Afanasiev, V. P., Pokhilenko, N. P.

“…Moissanites were found in tagamites of the Popigai meteorite crater along with impact diamonds. We have studied 55 samples including 49 individual polytypes…”
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PT conditions and trace element variations of picroilmenites and pyropes from placers and kimberlites in the Arkhangelsk region, NW Russia by Afanasiev, V.P., Ashchepkov, I.V., Verzhak, V.V., O’Brien, H., Palessky, S.V.

“…[Display omitted] •PT conditions and ЕКУ for ilmenites and garnets from Carboniferous sandstone and Arkhangelskaya pipe are similar.•Divisions of SCLM into six…”
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Metaconglomerate preserves evidence for kimberlite, diamondiferous root and medium grade terrane of a pre-2.7Ga Southern Superior protocraton by Kopylova, M G, Afanasiev, V P, Bruce, L F, Thurston, P C, Ryder, J

“…We studied heavy minerals extracted from a diamondiferous metaconglomerate that formed 2697-2701Ma in a successor basin within the Michipicoten Greenstone Belt…”
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The New Massadou Diamondiferous Kimberlite Field in Guinea by Afanasiev, V. P., Nikolenko, E. I., Glushkova, N. V., Zolnikov, I. D.

“…A new Massadou kimberlite field, was discovered in southeastern Guinea, near the town of Macenta. It consists of 16 poorly diamondiferous kimberlite dikes, ~1…”
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Incipient stages of transformation of round natural diamonds under dissolution in Fe-S melt at high pressure by Sonin, V. M., Zhimulev, E. I., Chepurov, A. A., Pomazanskiy, B. S., Afanasiev, V. P., Chepurov, A. I.

“…Research subject . The article presents the results of a microscopic and photogoniometric study of natural rounded diamonds of tetraghexahedral habit from the…”
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Composition and thermal structure of the lithospheric mantle beneath kimberlite pipes from the Catoca cluster, Angola by Ashchepkov, I.V., Rotman, A.Y., Somov, S.V., Afanasiev, V.P., Downes, H., Logvinova, A.M., Nossyko, S., Shimupi, J., Palessky, S.V., Khmelnikova, O.S., Vladykin, N.V.

“…Garnet, clinopyroxene and ilmenite xenocrysts from three Angolan kimberlite pipes belonging to the Catoca cluster (Angola Caquele, Camitongo I and II, and…”
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