Search Results - "Kent, A.J.R."

Split-grain 40Ar/39Ar dating: Integrating temporal and geochemical data from crystal cargoes by Ellis, B.S., Mark, D.F., Troch, J., Bachmann, O., Guillong, M., Kent, A.J.R., von Quadt, A.

“…Large sanidine crystals from the Mesa Falls Tuff (MFT), Yellowstone volcanic field, have been split and individually dated via high-precision 40Ar/39Ar…”
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The determination of maternal run time in juvenile Chinook salmon ( Oncorhynchus tshawytscha) based on Sr/Ca and 87Sr/ 86Sr within otolith cores by Miller, J.A., Kent, A.J.R.

“…Historically, Pacific salmon ( Oncorhynchus spp.) returned to natal streams throughout much of the year and extant populations continue to display extensive…”
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Geology, geochemistry and geochronology of the Cretaceous Lascano East intrusive complex and magmatic evolution of the Laguna Merín basin, Uruguay by Cernuschi, F., Dilles, J.H., Kent, A.J.R., Schroer, G., Raab, A.K., Conti, B., Muzio, R.

“…The Cretaceous Laguna Merín rift basin in southeastern Uruguay formed during the opening of the southern Atlantic Ocean, and is filled with igneous rocks that…”
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Volatile contents of mafic magmas from cinder cones in the Central Oregon High Cascades: Implications for magma formation and mantle conditions in a hot arc by Ruscitto, D.M., Wallace, P.J., Johnson, E.R., Kent, A.J.R., Bindeman, I.N.

“…The Cascades arc is a warm-slab subduction zone characterized by the slow (3.5 cm/a) subduction of young (< 10 Ma) oceanic crust. Elevated slab temperatures…”
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Magmatic processes in the Bishop Tuff rhyolitic magma based on trace elements in melt inclusions and pumice matrix glass by Roberge, J., Wallace, P. J., Kent, A. J. R.

“…To investigate the origin of compositional zonation in the Bishop Tuff magma body, we have analyzed trace elements in the matrix glass of pumice clasts and in…”
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Snow Peak, Oregon: Latest Miocene low-K tholeiite volcanism in the Cascadia forearc by Hatfield, A.K., Nielsen, R.L., Kent, A.J.R., Rowe, M.C., Duncan, R.A.

“…Snow Peak, Oregon, is a moderate size basaltic shield volcano (50–52wt.% SiO2, >7.4km3) located within the forearc of the Cascadia subduction zone, ~50km west…”
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Variable initial Pb isotopic compositions of rocks associated with the UG2 chromitite, eastern Bushveld Complex by Mathez, E.A., Kent, A.J.R.

“…An investigation of the Pb isotopic compositions of plagioclase and sulfide in a stratigraphic interval including the UG2 chromitite of the eastern Bushveld…”
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Using amphibole phenocrysts to track vapor transfer during magma crystallization and transport: An example from Mount St. Helens, Washington by Rowe, M.C., Kent, A.J.R., Thornber, C.R.

“…In order to evaluate and further constrain models for volatile movement and vapor enrichment of magma stored at shallow levels, amphibole phenocrysts from…”
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Chlorine in submarine glasses from the Lau Basin: seawater contamination and constraints on the composition of slab-derived fluids by Kent, Adam J.R., Peate, David W., Newman, Sally, Stolper, Edward M., Pearce, Julian A.

“…Measurements of chlorine concentrations in matrix glasses from 18 primitive (>6 wt% MgO) and eight evolved lavas from active spreading centers in the Lau Basin…”
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Mantle melting in the Izu arc and rear arc: Insights from melt inclusion studies by Kent, A.J.R., Kimura, J., Gill, J.B., Tollstrup, D.

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Widespread assimilation of a seawater-derived component at Loihi Seamount, Hawaii by Kent, Adam J.R, Clague, David A, Honda, Masahiko, Stolper, Edward M, Hutcheon, Ian D, Norman, Marc D

“…Many tholeiitic and transitional pillow-rim and fragmental glasses from Loihi seamount, Hawaii, have high Cl contents and Cl/K 2O ratios (and ratios of Cl to…”
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The temperature of formation of carbonate in martian meteorite ALH84001: constraints from cation diffusion by Kent, A.J.R, Hutcheon, I.D, Ryerson, F.J, Phinney, D.L

“…We have measured the rates of chemical diffusion of Mg in calcite and Ca in magnesite and used these new data to constrain the formation temperature and…”
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Metasomatic alteration associated with regional metamorphism: an example from the Willyama Supergroup, South Australia by Kent, A.J.R, Ashley, P.M, Fanning, C.M

“…The Olary Domain, part of the Curnamona Province, a major Proterozoic terrane located within eastern South Australia and western New South Wales, Australia, is…”
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