Search Results - "Kogarko, L.N."

Fractionation of zirconium and hafnium during evolution of a highly alkaline magmatic system, Lovozero massif, Kola Peninsula by Kogarko, L. N.

“…Zirconium and hafnium, very valuable metals for industry, are elements analogs owing to their similar crystal chemical properties (ion radii, charges). Over…”
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Evolution of the microelement composition of the Elet-Ozero magmatic system by Ryabchikov, I. D., Kogarko, L. N.

“…A new method of estimation of the bulk coefficients of minor component distribution was worked out on the basis of analysis of covariations of minor element…”
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Magnetite compositions and oxygen fugacities of the Khibina magmatic system by Ryabchikov, Igor D., Kogarko, L.N.

“…Most titanomagnetite in the Khibina alkaline igneous complex, sampled through 500 m of a vertical cross-section, is represented by Ti-rich varieties. The…”
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Erratum to: “New Data on the Age and Nature of the Khan–Bogd Alkaline Granites, Mongolia” by Gerdes, A., Kogarko, L. N., Vladykin, N. V.

“…The list of authors and their affiliations should read as follows: A. Gerdes a , Academician L. N. Kogarko b ,* , and N. V. Vladykin c a Institute of Earth…”
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Oxygen potential of the Elet’ozero magmatic system as a criterion of the ore potential for titanomagnetite–ilmenite raw material by Ryabchikov, I. D., Kogarko, L. N.

“…The demand for titanium has increased steadily over recent decades and is expected to remain strong in the future. This has stimulated increased interest in…”
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Hafnium–Neodymium Isotope Systematics of Carbonatites from the Guli Massif (Maimecha–Kotui Province, Russia) by Malitch, K. N., Kogarko, L. N., Badanina, I. Yu, Belousova, E. A.

“…This work presents new data on the Hf-isotope systematics of baddeleyite and the Nd-isotope compositions of calcite carbonatites of the Guli massif, located…”
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A Pb isotope investigation of the Lovozero Agpaitic Nepheline Syenite, Kola Peninsula, Russia by Zartman, R. E., Kogarko, L. N.

“…For the first time Pb isotope composition was established in Lovozero rocks and raremetal ores, which is important for identifying their sources. The world’s…”
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The fluid phase evolution during the formation of carbonatite of the Guli massif: Evidence from the isotope (C, N, Ar) data by Buikin, A. I., Verchovsky, A. B., Kogarko, L. N., Grinenko, V. A., Kuznetsova, O. V.

“…The first data on variations of the isotope composition and element ratios of carbon, nitrogen, and argon in carbonatites of different generations and…”
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Alkaline and Carbonatitic Magmatism by Kogarko, L.N

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Chemical composition of platinum-group minerals from the Bor-Uryakh massif (Maimecha-Kotui Province, Russia) by Malitch, K. N., Kogarko, L. N.

“…This contribution firstly presents particularities of mineral chemistry of platinum-group elements (PGE) mineralization from placer deposits linked to the…”
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The first find of native gold in parent rocks of the Gulinskii Massif (Polar Siberia) by Kogarko, L. N., Senin, V. G.

“…The Gulinskii massif is presented by several intrusive phases: dunites and kosvites, melelitolites, melt eygites and malinites, nephelinites, yakupirangites…”
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New data on the composition and hafnium isotopes of zircons from carbonatites of the Khibiny Massif by Ghobadi, M., Gerdes, A., Kogarko, L. N., Brey, G.

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Compositions of magmas and carbonate–silicate liquid immiscibility in the Vulture alkaline igneous complex, Italy by Solovova, I.P., Girnis, A.V., Kogarko, L.N., Kononkova, N.N., Stoppa, F., Rosatelli, G.

“…This paper presents a study of melt and fluid inclusions in minerals of an olivine-leucite phonolitic nephelinite bomb from the Monticchio Lake Formation,…”
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Features of the distribution of precious metals in sulfide parageneses of the Fedorova Tundra deposit (Kola Peninsula) by Mitrofanov, A. F., Kogarko, L. N., Anosova, M. O., Kostitsyn, Yu. A.

“…Geological, tectonic, and mineralogical peculiarities of the deposit. The FedorovoPanskii massif is located in the central part of the Kola Peninsula and from…”
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A new version of the spinel-olivine-pyroxene oxybarometer and extreme redox differentiation in magmatic systems of mantle sources by Ryabchikov, I. D., Kogarko, L. N.

“…A new version of an oxybarometer for olivine + clinopyroxene + spinel phase association based on consideration of the equilibrium (2) has been developed…”
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A Hawaiian beginning for the Iceland plume: Modelling of reconnaissance data for olivine-hosted melt inclusions in Palaeogene picrite lavas from East Greenland by Nielsen, T.F.D., Turkov, V.A., Solovova, I.P., Kogarko, L.N., Ryabchikov, I.D.

“…Compositions of parental and primary melts are modelled for olivine-hosted melt inclusions in three, Palaeogene, proto-Iceland plume picrite samples from East…”
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New data on mineralogy and geochemistry of rare-metal mineralization of the Gremiakha-Vyrmes Massif by Sorokhtina, N. V., Kogarko, L. N., Shpachenko, A. K.

“…The Gremiakha Vyrmes Massif with an area of 120 km2 is the largest Early Proterozoic alkaline-ultrabasic complex in the northwestern part of the Kola…”
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Spheroidal structures in arfvedsonite lujavrite, Ilı́maussaq alkaline complex, South Greenland—an example of macro-scale liquid immiscibility by Sørensen, H., Bailey, J.C., Kogarko, L.N., Rose-Hansen, J., Karup-Møller, S.

“…Lujavrites are meso- to melanocratic agpaitic nepheline syenites and are the most highly evolved rocks of the Ilı́maussaq complex, South Greenland. Spheroidal…”
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Geochemical evidence for meimechite magma generation in the subcontinental lithosphere of Polar Siberia by Kogarko, L.N, Ryabchikov, I.D

“…New data have been obtained on the distribution of the petrogenetic and rare-earth elements in the meimechite-series of rocks in Polar Siberia. It is shown…”
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A new occurrence of alkaline magmatism on the Kola Peninsula: An agpaitic dyke in the Kandalaksha region by Akimenko, M. I., Kogarko, L. N., Sorokhtina, N. V., Kononkova, N. N., Mamontov, V. P.

“…Alkaline magmatism has been widely abundant on the territory of the Kola Peninsula with the maximal activity in the Paleozoic, when most of the alkaline…”
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