Search Results - "Waight, Tod E."

Mantle depletion and metasomatism recorded in orthopyroxene in highly depleted peridotites by Scott, James M., Liu, Jingao, Pearson, D. Graham, Waight, Tod E.

“…Although trace element concentrations in clinopyroxene serve as a useful tool for assessing the depletion and enrichment history of mantle peridotites, this is…”
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Historic magmatism on the Reykjanes Peninsula, Iceland: a snap-shot of melt generation at a ridge segment by Peate, David W., Baker, Joel A., Jakobsson, Sveinn P., Waight, Tod E., Kent, Adam J. R., Grassineau, Nathalie V., Skovgaard, Anna Cecile

“…We present new compositional data on a suite of historic lava flows from the Reykjanes Peninsula, Iceland. They were erupted over a short time period between…”
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Primitive off-rift basalts from Iceland and Jan Mayen: Os-isotopic evidence for a mantle source containing enriched subcontinental lithosphere by Debaille, Vinciane, Trønnes, Reidar G., Brandon, Alan D., Waight, Tod E., Graham, David W., Lee, Cin-Ty A.

“…New measurements of Os, He, Sr and Nd isotopes, along with major and trace elements, are presented for basalts from the three volcanic flank zones in Iceland…”
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Structural Controls on Shallow Cenozoic Fluid Flow in the Otago Schist, New Zealand by Stirling, Claudine H., Reid, Malcolm R., Waight, Tod E., le Roux, Petrus J., Smith, Steven A. F., Scott, James M., Frank, Madison, Holbek, Simon C., Van Hale, Robert

“…The Otago Schist in the South Island of New Zealand represents an exhumed Mesozoic accretionary prism. Two coastal areas (Akatore Creek and Bruce Rocks) south…”
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Bulk and Mush Melt Evolution in Agpaitic Intrusions: Insights from Compositional Zoning in Eudialyte, Ilímaussaq Complex, South Greenland by Borst, Anouk M, Friis, Henrik, Nielsen, Troels F D, Waight, Tod E

“…Abstract The kakortokites of the Mesoproterozoic Ilímaussaq complex, South Greenland, comprise a rhythmically layered series of agpaitic nepheline syenites…”
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Reconnaissance Basement Geology and Tectonics of South Zealandia by Tulloch, Andy J., Mortimer, Nick, Ireland, Trevor R., Waight, Tod E., Maas, Roland, Palin, J. M., Sahoo, Tusar, Seebeck, Hannu, Sagar, Matt W., Barrier, Andrea, Turnbull, Rose E.

“…We report new U‐Pb zircon ages, geochemical and isotopic data for Mesozoic igneous rocks, and new seismic interpretations of mostly submerged South Zealandia…”
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Genesis of Felsic Plutonic Magmas and Their Igneous Enclaves: The Cobaw Batholith of Southeastern Australia by Clemens, John D., Maas, Roland, Waight, Tod E., Kunneke, Luke K.

“…The Late Devonian postorogenic Cobaw batholith, in southeastern Australia, is an oval, east-west-orientated, terrane-stitching lopolith that intruded low-grade…”
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Millennia of magmatism recorded in crustal xenoliths from alkaline provinces in Southwest Greenland by Smit, Matthijs A., Waight, Tod E., Nielsen, Troels F.D.

“…Mantle-derived CO2-rich magma ascends rapidly through the lithospheric column, supporting upward transport of large mantle-xenoliths and xenocryst (>30 vol%)…”
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A large impact crater beneath Hiawatha Glacier in northwest Greenland by Kjær, Kurt H, Larsen, Nicolaj K, Binder, Tobias, Bjørk, Anders A, Eisen, Olaf, Fahnestock, Mark A, Funder, Svend, Garde, Adam A, Haack, Henning, Helm, Veit, Houmark-Nielsen, Michael, Kjeldsen, Kristian K, Khan, Shfaqat A, Machguth, Horst, McDonald, Iain, Morlighem, Mathieu, Mouginot, Jérémie, Paden, John D, Waight, Tod E, Weikusat, Christian, Willerslev, Eske, MacGregor, Joseph A

“…We report the discovery of a large impact crater beneath Hiawatha Glacier in northwest Greenland. From airborne radar surveys, we identify a 31-kilometer-wide,…”
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Petrogenesis of amphibole megacrysts in lamprophyric intraplate magmatism in southern New Zealand by Serre, Simon H., van der Meer, Quinten H. A., Waight, Tod E., Scott, James M., Münker, Carsten, Thomsen, Tonny B., le Roux, Petrus J.

“…Sr-Nd-Hf-Pb isotopes and major/trace element data are presented for amphibole megacrysts from two separate instances of lamprophyric intraplate magmatism in…”
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The 3.1 Ga Nuggihalli chromite deposits, Western Dharwar craton (India): Geochemical and isotopic constraints on mantle sources, crustal evolution and implications for supercontinent formation and ore mineralization by Mukherjee, Ria, Mondal, Sisir K., Frei, Robert, Rosing, Minik T., Waight, Tod E., Zhong, Hong, Kumar, G.R. Ravindra

“…Nuggihalli greenstone belt is one of the oldest greenstone belts (3.4-3.0 Ga) in the Western Dharwar craton, southern India. It consists of conformable…”
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Depleted Basaltic Lavas from the Proto-Iceland Plume, Central East Greenland by Waight, Tod E., Baker, Joel A.

“…New geochemical and isotopic data are presented for volumetrically minor, depleted low-Ti basalts that occur in the Plateau Basalt succession of central East…”
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Carbonate Assimilation at Merapi Volcano, Java, Indonesia: Insights from Crystal Isotope Stratigraphy by Chadwick, Jane P., Troll, Valentin R., Ginibre, Catherine, Morgan, Daniel, Gertisser, Ralf, Waight, Tod E., Davidson, Jon P.

“…Recent basaltic andesite lavas from Merapi volcano contain abundant, complexly zoned, plagioclase phenocrysts, analysed here for their petrographic textures,…”
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The lithospheric mantle below southern West Greenland: A geothermobarometric approach to diamond potential and mantle stratigraphy by Sand, Karina K., Waight, Tod E., Pearson, D. Graham, Nielsen, Troels F.D., Makovicky, Emil, Hutchison, Mark T.

“…Geothermobarometry of primarily garnet lherzolitic xenoliths from several localities in southern West Greenland is applied to address the diamond potential,…”
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Pb isotopes during crustal melting and magma mingling — A cautionary tale from the Miki Fjord macrodike, central east Greenland by Waight, Tod E., Lesher, Charles E.

“…Pb isotopic data are presented for hybrid rocks formed by mingling between mantle-derived tholeiitic magma of the Eocene Miki Fjord macrodike (East Greenland)…”
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Recognition of mid-Paleozoic volcanism in New Zealand by Turnbull, Rose E., van der Meer, Quinten H. A., Tulloch, Andy J., Ramezani, Jahandar, Whitehouse, Martin J., Andersen, Tom H., Waight, Tod E.

“…Two felsic volcanic clasts from conglomerates in Fiordland and northwest Nelson provide U-Pb zircon ages of 359 and c. 362 Ma respectively; ages that occur…”
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A micro-scale investigation of melt production and extraction in the upper mantle based on silicate melt pockets in ultramafic xenoliths from the Bakony–Balaton Highland Volcanic Field (Western Hungary) by Bali, Enikő, Zanetti, Alberto, Szabó, Csaba, Peate, David W., Waight, Tod E.

“…Mantle xenoliths in Neogene alkali basalts of the Bakony–Balaton Highland Volcanic Field (Western Hungary) frequently have melt pockets that contain silicate…”
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Fingerprinting feldspar phenocrysts using crystal isotopic composition stratigraphy: implications for crystal transfer and magma mingling in S-type granites by Waight, Tod E., Maas, Roland, Nicholls, Ian A.

“…Microsampling of cm-scale feldspar crystals within an S-type granite from the Lachlan Fold Belt of southeastern Australia has revealed complex internal Sr and…”
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Isotopic evidence for multiple contributions to felsic magma chambers: Gouldsboro Granite, Coastal Maine by Waight, Tod E., Wiebe, Robert A., Krogstad, Eirik J.

“…The Gouldsboro Granite forms part of the Coastal Maine Magmatic Province, a region characterized by granitic plutons that are intimately linked temporally and…”
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Isotope Dilution MC-ICP-MS Rare Earth Element Analysis of Geochemical Reference Materials NIST SRM 610, NIST SRM 612, NIST SRM 614, BHVO-2G, BHVO-2, BCR-2G, JB-2, WS-E, W-2, AGV-1 and AGV-2 by Kent, Adam J.R., Jacobsen, Benjamin, Peate, David W., Waight, Tod E., Baker, Joel A.

“…We present data for the concentrations of eleven rare earth elements (La, Ce, Pr, Nd, Sm, Eu, Gd, Dy, Er, Yb, Lu) in eleven international geochemical reference…”
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