Search Results - "V. D. Wanless"

Lower crustal crystallization and melt evolution at mid-ocean ridges by Wanless, V. D., Shaw, A. M.

“…Oceanic crust is formed at mid-ocean ridges, but there is little consensus on where crystallization of melt actually occurs within the crust or mantle…”
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Variations in melting dynamics and mantle compositions along the Eastern Volcanic Zone of the Gakkel Ridge: insights from olivine-hosted melt inclusions by Wanless, V. D., Behn, M. D., Shaw, A. M., Plank, T.

“…We present major element, trace element, and volatile concentrations from 66 naturally glassy, olivine-hosted melt inclusions erupted along the Eastern…”
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Monogenetic Near‐Island Seamounts in the Galápagos Archipelago by D. M. Schwartz, V. D. Wanless, S. A. Soule, M. D. Schmitz, M. D. Kurz

“…Abstract Rarely have small seamounts on the flanks of hotspot derived ocean‐island volcanoes been the targets of sampling, due to sparse high‐resolution…”
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Volatile abundances and oxygen isotopes in basaltic to dacitic lavas on mid-ocean ridges: The role of assimilation at spreading centers by Wanless, V.D., Perfit, M.R., Ridley, W.I., Wallace, P.J., Grimes, C.B., Klein, E.M.

“…Most geochemical variability in MOR basalts is consistent with low- to moderate-pressure fractional crystallization of various mantle-derived parental melts…”
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Dacite Petrogenesis on Mid-Ocean Ridges: Evidence for Oceanic Crustal Melting and Assimilation by Wanless, V. D., Perfit, M. R., Ridley, W. I., Klein, E.

“…Whereas the majority of eruptions at oceanic spreading centers produce lavas with relatively homogeneous mid-ocean ridge basalt (MORB) compositions, the…”
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Magnesium isotope behavior in oceanic magmatic systems: Constraints from mid-ocean ridge lavas from the East Pacific Rise by Wang, Sijie, Kang, Jinting, Ding, Xin, Perfit, M.R., Wanless, V.D., Huang, Fang

“…•δ26Mg variation in lavas from the EPR is resolved within 0.03‰ uncertainty (tSE).•Mg isotopes can be significantly fractionated during fractional…”
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Shield-stage alkalic volcanism on Mauna Loa Volcano, Hawaii by Dorsey Wanless, V., Garcia, Michael O., Michael Rhodes, J., Weis, Dominique, Norman, Marc D.

“…Alkalic lavas have been discovered at two young (∼15–20 ka) submarine radial vents on the western flank of Mauna Loa, a volcano that was thought to have…”
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A carbon, nitrogen, and multi-isotope study of basalt glasses near 14°N on the Mid-Atlantic Ridge. Part A: Degassing processes by Bekaert, D.V., Barry, P.H., Curtice, J., Blusztajn, J., Hudak, M., Seltzer, A., Broadley, M.W., Krantz, J.A., Wanless, V.D., Soule, S.A., Mittelstaedt, E., Kurz, M.D.

“…14°N on the Mid-Atlantic ridge (MAR) is one of only a few locations worldwide where volatile-saturated, geochemically enriched mid-ocean ridge basalts…”
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A carbon, nitrogen, and multi-isotope study of basalt glasses near 14°N on the Mid-Atlantic Ridge. Part B: Mantle source heterogeneities by Bekaert, D.V., Barry, P.H., Curtice, J., Blusztajn, J., Hudak, M., Seltzer, A., Broadley, M.W., Krantz, J.A., Wanless, V.D., Soule, S.A., Mittelstaedt, E., Kurz, M.D.

“…Geochemical variations along mid-ocean ridges reveal the heterogeneous nature of the convecting upper mantle and geodynamic evolution of our planet (e.g.,…”
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New constraints on mantle carbon from Mid-Atlantic Ridge popping rocks by Jones, M.P., Wanless, V.D., Soule, S.A., Kurz, M.D., Mittelstaedt, E., Fornari, D.J., Curtice, J., Klein, F., Le Roux, V., Brodsky, H., Péron, S., Schwartz, D.M.

“…Despite the influence of mantle carbon on melt formation and migration, global volatile budgets, and volcanic eruption styles, the carbon concentration in…”
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Significance of widespread low effusion rate eruptions over the past two million years for delivery of magma to the overlapping spreading centers at 9 super(o)N East Pacific Rise by White, S M, Mason, J L, Macdonald, K C, Perfit, M R, Wanless, V D, Klein, E M

“…Ever since the discovery that the mid-ocean ridge axis deepens at most axial discontinuities, there has been vigorous debate about whether ridge axis depth and…”
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Lava Geochemistry as a Probe into Crustal Formation at the East Pacific Rise by PERFIT, MICHAEL R., WANLESS, V. DORSEY, RIDLEY, W. IAN, KLEIN, EMILY M., SMITH, MATTHEW C., GOSS, ADAM R., HINDS, JILLIAN S., KUTZA, SCOTT W., FORNARI, DANIEL J.

“…Basalt lavas comprise the greatest volume of volcanic rocks on Earth, and most of them erupt along the world's mid-ocean ridges (MORs). These MOR basalts…”
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The Cocos and Carnegie Aseismic Ridges: a Trace Element Record of Long-term Plume–Spreading Center Interaction by HARPP, KAREN S., WANLESS, VIRGINIA D., OTTO, ROBERT H., HOERNLE, KAJ, WERNER, REINHARD

“…The aseismic Cocos and Carnegie Ridges, two prominent bathymetric features in the eastern Pacific, record ∼20 Myr of interaction between the Galápagos hotspot…”
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