Browsing Статьи, тезисы докладов by Author "Walker R.J."
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Browsing Статьи, тезисы докладов by Author "Walker R.J."
Now showing items 1-6 of 6
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Becker H.; Horan M.F.; Walker R.J.; Gao S.; Lorand J.P.; Rudnick R.L. (2006)Osmium, Ru, Ir, Pt, Pd and Re abundances and 187Os/188Os data on peridotites were determined using improved analytical techniques in order to precisely constrain the highly siderophile element (HSE) composition of fertile ...
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Puchtel I.S.; Touboul M.; Blichert-Toft J.; Walker R.J.; Brandon A.D.; Nicklas R.W.; Kulikov V.S.; Samsonov A.V. (2016)New Os isotope and highly siderophile element (HSE) abundance data, in combination with lithophile trace element and Sm–Nd, Lu–Hf, and Hf–W isotope data, are reported for komatiitic basalts from the Vetreny Belt and tonalites ...
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Brandon A.D.; Walker R.J.; Puchtel I.S. (2006)Separation of a metal-rich core strongly depleted the silicate portion of the Earth in highly siderophile elements (HSE), including Pt, Re, and Os. To address the issues of how early differentiation, partial melting, and ...
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Liu J.; Rudnick R.L.; Walker R.J.; Gao S.; Wu F.; Piccoli P.M. (2010)Xenolithic peridotites having a similar range of major element compositions from two nearby localities in the Trans-North China Orogen, North China Craton, provide a rare opportunity to explore effects resulting from both ...
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Pt–Re–Os and Sm–Nd isotope and HSE and REE systematics of the 2.7 Ga Belingwe and Abitibi komatiites Puchtel I.S.; Walker R.J.; Brandon A.D.; Nisbet E.G. (2009)High-precision Pt–Re–Os and Sm–Nd isotope and highly siderophile element (HSE) and rare earth element (REE) abundance data are reported for two 2.7 b.y. old komatiite lava flows, Tony's flow (TN) from the Belingwe greenstone ...
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Brandon A.D.; Walker R.J. (2005)Some hotspot volcanism is likely the surface manifestation of hot upwelling mantle plumes that rise from the core–mantle boundary (CMB) or from compositional boundaries within the mantle. Plumes that rise from the CMB may ...
Now showing items 1-6 of 6
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