Search Results - "Kepezhinskas, P."

Silver Mineralization in Deep Magmatogenic Systems of Ancient Island Arcs: The Ildeus Ultrabasic Massif, Stanovoy Mobile Belt (Russian Far East) by Kepezhinskas, P. K., Berdnikov, N. V., Krutikova, V. O., Kepezhinskas, N. P., Astapov, I. A., Kirichenko, E. A.

“…The Triassic (232–233 Ma) Ildeus mafic-ultrabasic massif is a fragment of a large mineralized magmatogenic system formed within the Stanovoy Mobile Belt at the…”
Get full text

The Taragai Peridotite Massif as an Explosive Pipe in the Western Bureya Terrane (Southern Far East of Russia) by Berdnikov, N. V., Nevstruev, V. G., Kepezhinskas, P. K., Didenko, A. N.

“…The Taragai peridotite massif is interpreted as an explosive ultramafic pipe that has broken through the Late Proterozoic skarnified carbonate rocks and the…”
Get full text

Native Metals and Alloys in Trachytes and Shoshonite from the Continental United States and High-K Dacite from the Bolivian Andes: Magmatic Origins of Ore Metals in Convergent and Within-Plate Tectonic Settings by Kepezhinskas, P., Berdnikov, N., Konovalova, N., Kepezhinskas, N., Krutikova, V., Kirichenko, E.

“…Nb-rich trachytes from Virginia, shoshonite from Colorado and high-K dacite from the Bolivian Andes contain diverse suites of native metals and alloys…”
Get full text

Metal and Mineral Microinclusions in Rocks: Research Finding Interpretation and Application to the Study of Magmatic Systems of Kamchatka and Stanovoi Fold Belt by Krutikova, V. O., Berdnikov, N. V, Kepezhinskas, P. K.

“…This paper discusses the problems of interpreting the study results obtained for metal and mineral microinclusions by the scanning electron microscopy with…”
Get full text

Silicate, Fe-Oxide, and Au–Cu–Ag Microspherules in Ores and Pyroclastic Rocks of the Kostenga Iron Deposit, in the Far East of Russia by Berdnikov, N. V., Nevstruev, V. G., Kepezhinskas, P. K., Krutikova, V. O., Konovalova, N. S., Astapov, I. A.

“…Numerous silicate, Fe-oxide, and Cu–Au–Ag microspherules are found in Fe ores and pyroclastic rocks of the Kostenga deposit, Lesser Khingan (Far East of…”
Get full text

PGE Mineralogy in Explosive Breccias of the Poperechnoe Deposit (the Lesser Khingan Range, Russia) by Mochalov, A. G., Berdnikov, N. V., Galankina, O. L., Kepezhinskas, P. K., Jinlong, Liu, Krutikova, V. O.

“…The results of detailed study of the platinum-group minerals (PGM) from explosive breccias of the Poperechnoe Fe–Mn deposit (the Lesser Khingan Range, Russian…”
Get full text

The geology, petrology, and petrogenesis of Saba island, Lesser Antilles by DEFANT, M. J, SHERMAN, S, MAURY, R. C, BELLON, H, DE BOER, J, DAVIDSON, J, KEPEZHINSKAS, P

“…Saba is the northernmost volcano along the Lesser Antilles island-arc chain. The Lesser Antilles arc results from the west-northwest subduction of the Atlantic…”
Get full text

The nature of metasomatism in the sub-arc mantle wedge: evidence from Re–Os isotopes in Kamchatka peridotite xenoliths by Widom, Elisabeth, Kepezhinskas, Pavel, Defant, Mark

“…We have performed Re–Os isotope measurements on a suite of 21 Kamchatka mantle xenoliths including 19 harzburgites and two lherzolites, from the northern arc…”
Get full text

Progressive enrichment of island arc mantle by melt-peridotite interaction inferred from Kamchatka xenoliths by Kepezhinskas, Pavel, Defant, Marc J., Drummond, Mark S.

“…The Pliocene (7 Ma) Nb-enriched arc basalts of the Valovayam Volcanic Field (VVF) in the northern segment of Kamchatka arc (Russia) host abundant xenoliths of…”
Get full text

The metasomatic record in the shallow peridotite mantle beneath Grenada (Lesser Antilles arc) by Vannucci, R., Tiepolo, M., Defant, M.J., Kepezhinskas, P.

“…The composition and geochemical signatures of the mantle wedge beneath the Lesser Antilles arc are documented by the ultramafic xenoliths included in alkali…”
Get full text

Trace element and SrNdPb isotopic constraints on a three-component model of Kamchatka Arc petrogenesis by Kepezhinskas, Pavel, McDermott, Frank, Defant, Marc J., Hochstaedter, Alfred, Drummond, Mark S., Hawkesworth, Chris J., Koloskov, Alexander, Maury, Rene C., Bellon, Herve

“…The Kamchatka arc (Russia) is located in the northwestern Pacific Ocean and is divided into three segments by major sub-latitudinal fault zones (crustal…”
Get full text

On the Tectonic Significance of Arc Volcanism in Northern Kamchatka by Hochstaedter, Alfred G., Kepezhinskas, Pavel K., Defant, Marc J., Drummond, Mark S., Bellon, Hervé

“…The Vyvenka volcanic field records a period of Neogene, subduction-related volcanism in northern Kamchatka. Most models describing the tectonic evolution of…”
Get full text

Abundance and distribution of PGE and Au in the island-arc mantle: implications for sub-arc metasomatism by Kepezhinskas, Pavel, Defant, Marc J, Widom, Elisabeth

“…Ultramafic xenoliths from a veined mantle wedge beneath the Kamchatka arc have non-chondritic, fractionated chondrite-normalized platinum-group element (PGE)…”
Get full text

Zoned Calc-Alkaline Plutons in Northeastern Kamchatka, Russia: Implications for the crustal growth in magmatic arcs by Kepezhinskas, P. K., Reuber, I., Tanaka, H., Miyashita, S.

Get full text

A U-series study of lavas from Kamchatka and the Aleutians: constraints on source composition and melting processes by Turner, Simon, McDermott, Frank, Hawkesworth, Chris, Kepezhinskas, Pavel

“…New data are presented for lavas from the Kamchatka Peninsula and the Aleutian arc. Radiogenic isotopes are strikingly homogeneous in the Kamchatka lavas and…”
Get full text

Zoned calc-alkaline plutons in Northeastern Kamchatka, Russia. implications for the crustal growht in magmatic arcs by KEPEZHINSKAS, P. K, REUBER, I, TANAKA, H, MIYASHITA, S

Get full text