Search Results - "Bizimis, M"

Origin of depleted basalts during subduction initiation and early development of the Izu-Bonin-Mariana island arc: Evidence from IODP expedition 351 site U1438, Amami-Sankaku basin by Hickey-Vargas, R., Yogodzinski, G.M., Ishizuka, O., McCarthy, A., Bizimis, M., Kusano, Y., Savov, I.P., Arculus, R.

“…The Izu-Bonin-Mariana (IBM) island arc formed following initiation of subduction of the Pacific plate beneath the Philippine Sea plate at about 52 Ma. Site…”
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Mg isotope systematics during magmatic processes: Inter-mineral fractionation in mafic to ultramafic Hawaiian xenoliths by Stracke, A., Tipper, E.T., Klemme, S., Bizimis, M.

“…Observed differences in Mg isotope ratios between bulk magmatic rocks are small, often on a sub per mill level. Inter–mineral differences in the 26Mg/24Mg…”
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Carbonatite Versus Silicate Melt Metasomatism Impacts Grain Scale 87Sr/86Sr and 143Nd/144Nd Heterogeneity in Polynesian Mantle Peridotite Xenoliths by Benjamin L. Byerly, M. G. Jackson, M. Bizimis

“…Abstract The Earth's upper mantle is isotopically heterogeneous over large lengthscales, but the lower limit of these heterogeneities is not well quantified…”
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Deep Mantle Component and Continental Crust Remobilization in the Source of Vesteris Seamount, East Greenland Margin by Beloša, L., Callegaro, S., Meyzen, C. M., Gaina, C., Polteau, S., Bizimis, M., Mazzini, A.

“…Vesteris Seamount is a large Quaternary intraplate submarine volcano in the SW Greenland Sea, about 1,000 km NE of Iceland and 300 km NW of the Mohn's…”
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Onset of the Indian Ocean isotopic signature in the Philippine Sea Plate: Hf and Pb isotope evidence from Early Cretaceous terranes by Hickey-Vargas, R., Bizimis, M., Deschamps, A.

“…Basalts from Paleocene–recent back arc basins within the Philippine Sea Plate have the Pb and Hf–Nd isotopic characteristics of Indian Ocean mid-ocean ridge…”
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Geochemical and Os–Hf–Nd–Sr Isotopic Characterization of North Patagonian Mantle Xenoliths: Implications for Extensive Melt Extraction and Percolation Processes by Mundl, A, Ntaflos, T, Ackerman, L, Bizimis, M, Bjerg, E A, Wegner, W, Hauzenberger, C A

“…Alkali basalt hosted mantle xenoliths were sampled at four locations within the North Patagonian Massif, Argentina. The subcontinental lithospheric mantle…”
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The Conrad Rise Revisited: Eocene to Miocene Volcanism and Its Implications for Magma Sources and Tectonic Development by Sato, H., Machida, S., Meyzen, C. M., Ishizuka, O., Senda, R., Bizimis, M., Ashida, K., Mikuni, K., Sato, T., Fujii, M., Nogi, Y., Kato, Y.

“…The Conrad Rise (CR), located midway between Antarctica and the Southwest Indian Ridge (SWIR), remains one of the least explored submarine large igneous…”
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The brevity of carbonatite sources in the mantle: evidence from Hf isotopes by Bizimis, Michael, Salters, Vincent J. M., Dawson, J. Barry

“…Hf, Zr and Ti in carbonatites primarily reside in their non-carbonate fraction while the carbonate fraction dominates the Nd and Sr elemental budget of the…”
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Deepwater Expansion and Enhanced Remineralization in the Eastern Equatorial Pacific During the Last Glacial Maximum by Umling, N. E., Thunell, R. C., Bizimis, M.

“…Published estimates of the radiocarbon content of middepth waters suggest a decrease in ventilation in multiple locations during the last glacial maximum (LGM;…”
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Lu?Hf and geochemical systematics of recycled ancient oceanic crust: evidence from Roberts Victor eclogites by Jacob, D. E., Bizimis, M., Salters, V. J. M.

“…Eclogites from the Roberts Victor mine, Kaapvaal craton are classic examples of subducted Achaean oceanic crust brought up as xenoliths by kimberlite. New in…”
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Ancient helium and tungsten isotopic signatures preserved in mantle domains least modified by crustal recycling by Jackson, Matthew G., Blichert-Toft, Janne, Halldórsson, Saemundur A., Mundl-Petermeier, Andrea, Bizimis, Michael, Kurz, Mark D., Price, Allison A., Harðardóttir, Sunna, Willhite, Lori N., Breddam, Kresten, Becker, Thorsten W., Fischer, Rebecca A.

“…Rare high-³He/⁴He signatures in ocean island basalts (OIB) erupted at volcanic hotspots derive from deep-seated domains preserved in Earth’s interior. Only…”
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An aeolian sediment reconstruction of regional wind intensity and links to larger scale climate variability since the last deglaciation from the east coast of southern Africa by Humphries, M.S., Benitez-Nelson, C.R., Bizimis, M., Finch, J.M.

“…Few long-term environmental records are available for southern Africa where shifts in atmospheric circulation and changes in sea surface temperatures interact…”
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Hf–Nd isotope decoupling in the oceanic lithosphere: constraints from spinel peridotites from Oahu, Hawaii by Bizimis, Michael, Sen, Gautam, Salters, Vincent J.M.

“…We present a detailed geochemical investigation on the Hf, Nd and Sr isotope compositions and trace and major element contents of clinopyroxene mineral…”
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Trace and REE content of clinopyroxenes from supra-subduction zone peridotites. Implications for melting and enrichment processes in island arcs by Bizimis, Michael, Salters, Vincent J.M, Bonatti, Enrico

“…We measured trace element and Rare Earth Element (REE) contents of clinopyroxenes (cpx) in peridotites from ophiolite complexes from the Hellenic Peninsula:…”
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Hf-Nd-Sr isotope systematics of garnet pyroxenites from Salt Lake Crater, Oahu, Hawaii: Evidence for a depleted component in Hawaiian volcanism by Bizimis, Michael, Sen, Gautam, Salters, Vincent J.M., Keshav, Shantanu

“…We present the first comprehensive major, trace element and Hf, Nd and Sr isotope investigation of clinopyroxene and garnet mineral separates from a set of…”
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Isotope and trace element evidence for depleted lithosphere in the source of enriched Ko’olau basalts by Salters, Vincent J. M., Blichert-Toft, Janne, Fekiacova, Zuzana, Sachi-Kocher, Afi, Bizimis, Michael

“…We have measured the Hf and Nd isotopic compositions of 38 basalts from the Ko'olau drill hole, Hawai'i. The basalts show limited variations in both…”
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Kimberlite petrogenesis: Insights from clinopyroxene-melt partitioning experiments at 6 GPa in the CaO-MgO-Al sub(2)O sub(3)-SiO sub(2)-CO sub(2) system by Keshav, S, Corgne, A, Gudfinnsson, G H, Bizimis, M, McDonough, W F, Fei, Y

“…In this experimental study, we examine the mineral-melt partitioning of major and trace elements between clinopyroxene and CO sub(2)-rich kimberlitic melts at…”
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Response to the comment by M. Lustrino on “High-pressure melting experiments on garnet clinopyroxenite and the alkalic–tholeiitic transition in ocean-island basalts” by Keshav et al. [Earth Planet. Sci. Lett. 223, 365–379 (2004)] by Keshav, Shantanu, Bizimis, Michael, Gudfinnsson, Gudmundur H., Sen, Gautam, Fei, Yingwei

“…We welcome the comments made by Lustrino [M. Lustrino, Pyroxenites everywhere, Earth Planet. Sci. Lett., this issue.] on the high-pressure experimental melting…”
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