Search Results - "Nowell, G. M"

A link between large mantle melting events and continent growth seen in osmium isotopes by Pearson, D. G, Parman, S. W, Nowell, G. M

“…Although Earth's continental crust is thought to have been derived from the mantle, the timing and mode of crust formation have proven to be elusive issues…”
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Re–Os and Lu–Hf Isotope Constraints on the Origin and Age of Pyroxenites from the Beni Bousera Peridotite Massif: Implications for Mixed Peridotite–Pyroxenite Mantle Sources by PEARSON, D. G., NOWELL, G. M.

“…A suite of pyroxenites from the Beni Bousera peridotite massif, northern Morocco, have been analysed for Re–Os and Lu–Hf isotopic compositions. Measured…”
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Hf Isotope Systematics of Kimberlites and their Megacrysts: New Constraints on their Source Regions by NOWELL, G. M., PEARSON, D. G., BELL, D. R., CARLSON, R. W., SMITH, C. B., KEMPTON, P. D., NOBLE, S. R.

“…Kimberlites from Southern Africa, along with their low-Cr megacrysts, have unusual Hf–Nd isotopic characteristics. Group I and Transitional kimberlites define…”
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The continental lithospheric mantle: characteristics and significance as a mantle reservoir by Pearson, D. G., Nowell, G. M.

“…The continental lithospheric mantle (CLM) is a small–volumed (…”
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Volcanism in the Vitim Volcanic Field, Siberia: Geochemical Evidence for a Mantle Plume Beneath the Baikal Rift Zone by JOHNSON, J. S., GIBSON, S. A., THOMPSON, R. N., NOWELL, G. M.

“…The Baikal Rift is a zone of active lithospheric extension adjacent to the Siberian Craton. The 6–16 Myr old Vitim Volcanic Field (VVF) lies approximately 200…”
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Hf-Nd Element and Isotope Perspective on the Nature and Provenance of Mantle and Subduction Components in Western Pacific Arc-Basin Systems by Pearce, J A, Kempton, P D, Nowell, G M, Noble, S R

“…This paper develops methods for using the integrated study of Hf-Nd element and isotope covariations to define the nature and provenance of the mantle and…”
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Isotopic tracing of the impact of mobility on infectious disease: The origin of people with treponematosis buried in hull, England, in the late medieval period by Roberts, C.A., Millard, A.R., Nowell, G.M., Gröcke, D.R., Macpherson, C.G., Pearson, D.G., Evans, D.H.

“…Treponematosis has been one of the most studied and debated infectious diseases in paleopathology, particularly from the standpoint of its origin, evolution,…”
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Origin of CFB Magmatism: Multi-tiered Intracrustal Picrite-Rhyolite Magmatic Plumbing at Spitzkoppe, Western Namibia, during Early Cretaceous Etendeka Magmatism by Thompson, R. N., Riches, A. J. V., Antoshechkina, P. M., Pearson, D. G., Nowell, G. M., Ottley, C. J., Dickin, A. P., Hards, V. L., Nguno, A.-K., Niku-Paavola, V.

“…Early Cretaceous tholeiitic picrite-to-rhyolite dykes around Spitzkoppe, western Namibia, are part of the extensive Henties Bay-Outjo swarm,…”
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Magmatism Associated with Orogenic Collapse of the Betic-Alboran Domain, SE Spain by Turner, S P, Platt, J P, George, R M M, Kelley, S P, Pearson, D G, Nowell, G M

“…Extensional collapse of the Betic-Alboran Domain in the Miocene was accompanied by several discrete episodes of magmatism which provide insights into the…”
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Adaptive dosing and platinum-DNA adduct formation in children receiving high-dose carboplatin for the treatment of solid tumours by VEAL, G. J, ERRINGTON, J, BODDY, A. V, TILBY, M. J, PEARSON, A. D. J, FOOT, A. B. M, MCDOWELL, H, ELLERSHAW, C, PIZER, B, NOWELL, G. M, PEARSON, D. G

“…A pharmacokinetic-pharmacodynamic study was carried out to investigate the feasibility and potential importance of therapeutic monitoring following high-dose…”
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Can Fractional Crystallization, Mixing and Assimilation Processes be Responsible for Jamaican-type Adakites? Implications for Generating Eoarchaean Continental Crust by Hastie, A R, Fitton, J G, Mitchell, S F, Neill, I, Nowell, G M, Millar, I L

“…Understanding how the Earth's first continental land masses were generated is important because the processes responsible directly affected the evolution of…”
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Generation of the Mt Kinabalu Granite by Crustal Contamination of Intraplate Magma Modelled by Equilibrated Major Element Assimilation with Fractional Crystallization (EME-AFC) by Burton-Johnson, A, Macpherson, C G, Ottley, C J, Nowell, G M, Boyce, A J

“…Abstract New geochemical data are presented for the composite units of the Mount Kinabalu granitoid intrusion of Borneo and utilised to explore the…”
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Petrogenesis of strongly alkaline primitive volcanic rocks at the propagating tip of the western branch of the East African Rift by Rosenthal, A., Foley, S.F., Pearson, D.G., Nowell, G.M., Tappe, S.

“…Strongly silica-undersaturated potassic lavas (kamafugites) and carbonatitic tuffs are characteristic of the Toro-Ankole volcanic field in southwestern Uganda,…”
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Nanoscale variations in 187Os isotopic composition and HSE systematics in a Bultfontein peridotite by Wainwright, A.N., Luguet, A., Schreiber, A., Fonseca, R.O.C., Nowell, G.M., Lorand, J.-P., Wirth, R., Janney, P.E.

“…Understanding the mineralogical controls on radiogenic chronometers is a fundamental aspect of all geochronological tools. As with other common dating tools,…”
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Isotopic Compositions of Plagioclase From Plutonic Xenoliths Reveal Crustal Assimilation Below Martinique, Lesser Antilles Arc by Brown, J. R., Cooper, G. F., Nowell, G. M., Macpherson, C. G., Neill, I., Prytulak, J.

“…The chemical and isotopic compositions of volcanic arc lavas often show evidence for involvement of a sedimentary component during magma genesis. Determining…”
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From source to crust: Tracing magmatic evolution in a kimberlite and a melilitite using microsample geochemistry by Malarkey, J., Pearson, D.G., Kjarsgaard, B.A., Davidson, J.P., Nowell, G.M., Ottley, C.J., Stammer, J.

“…We present an integrated microsampling trace element and isotopic study of primary minerals within the Jos kimberlite, Canada, in order to observe how…”
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Trace Element and Sr-Pb-Nd-Hf Isotope Evidence for Ancient, Fluid-Dominated Enrichment of the Source of Aldan Shield Lamproites by Davies, G R, Stolz, A J, MAHOTKIN, I L, Nowell, G M, Pearson, D G

“…A phase of Mesozoic extension associated with the termination of continental collision at the southern margin of the Aldan Shield produced ultrabasic…”
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Sr and Pb Isotope Micro-analysis of Plagioclase Crystals from Skye Lavas: an Insight into Open-system Processes in a Flood Basalt Province by Font, L., Davidson, J. P., Pearson, D. G., Nowell, G. M., Jerram, D. A., Ottley, C. J.

“…Crystals in many magmatic rocks are heterogeneous in terms of their isotope composition. Detailed crystal-isotope stratigraphy (CIS) studies have shown that…”
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Comments on Richards et al., Journal of Archaeological Science 35, 2008 “Strontium isotope evidence of Neanderthal mobility at the site of Lakonis, Greece using laser-ablation PIMMS” by Nowell, G.M., Horstwood, M.S.A.

“…We present an evaluation of the laser ablation Sr isotope data reported by Richards et al. [Richards, M., Harvati, K., Grimes, V., Colin Smith, C., Smith, T.,…”
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Trace Element and Sr–Pb–Nd–Hf Isotope Evidence for Ancient, Fluid-Dominated Enrichment of the Source of Aldan Shield Lamproites by DAVIES, G. R., STOLZ, A. J., MAHOTKIN, I. L., NOWELL, G. M., PEARSON, D. G.

“…A phase of Mesozoic extension associated with the termination of continental collision at the southern margin of the Aldan Shield produced ultrabasic…”
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