Search Results - "Marcel Regelous"

Geochemical mapping of a paleo-subduction zone beneath the Troodos Ophiolite by Woelki, Dominic, Regelous, Marcel, Haase, Karsten M., Beier, Christoph

“…Supra-subduction zone ophiolites such as the Cretaceous Troodos Ophiolite of Cyprus are fragments of oceanic crust formed by seafloor spreading close to…”
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Enrichment of H2O and fluid-soluble trace elements in the Troodos Ophiolite: Evidence for a near-trench origin by Woelki, Dominic, Michael, Peter, Regelous, Marcel, Haase, Karsten

“…The Troodos Ophiolite on the island of Cyprus is a Cretaceous supra-subduction zone ophiolite. It formed by seafloor spreading in the vicinity of a subduction…”
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Slab steepening and rapid mantle wedge replacement during back-arc rifting in the New Hebrides by Haase, Karsten M., Regelous, Marcel, Beier, Christoph, Koppers, Anthony A. P.

“…The effects of the composition and angle of the subducting slab and mantle wedge flow on tectonic and magmatic processes in island arcs and associated…”
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Magmatic evolution of the migrating central Urumieh–Dokhtar arc, Iran: implications for magma production by Babazadeh, Shahrouz, Haase, Karsten, Ghalamghash, Jalil, Regelous, Marcel, Poujol, Marc, Raeisi, Davood, Zhao, Miao

“…The Cenozoic Avaj volcano-plutonic rocks in central Urumieh-Dokhtar magmatic arc (UDMA) encompass gabbro, and basalt to rhyolite, chemically akin to those from…”
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Synchronous motion of the Easter mantle plume and the East Pacific Rise by O’Connor, John M., Regelous, Marcel, Haase, Karsten M., Hemond, Christophe, Koppers, Anthony A. P., Miggins, Daniel P., Heaton, Daniel E.

“…The Easter mantle plume has produced one of the longest hotspot tracks in the Pacific Ocean. While previous studies have focused on the eastern side extending…”
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Superplume mantle tracked isotopically the length of Africa from the Indian Ocean to the Red Sea by O’Connor, John M., Jokat, Wilfried, Regelous, Marcel, Kuiper, Klaudia F., Miggins, Daniel P., Koppers, Anthony A. P.

“…Seismological findings show a complex scenario of plume upwellings from a deep thermo-chemical anomaly (superplume) beneath the East African Rift System…”
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Confirmation of mass-independent Ni isotopic variability in iron meteorites by Steele, Robert C.J., Elliott, Tim, Coath, Christopher D., Regelous, Marcel

“…We report high-precision analyses of internally-normalised Ni isotope ratios in 12 bulk iron meteorites. Our measurements of 60Ni/ 61Ni, 62Ni/ 61Ni and 64Ni/…”
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Controls on melting at spreading ridges from correlated abyssal peridotite – mid-ocean ridge basalt compositions by Regelous, Marcel, Weinzierl, Christoph G., Haase, Karsten M.

“…Variations in the volume and major element composition of basalt erupted along the global mid-ocean ridge system have been attributed to differences in mantle…”
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Mantle plume and rift-related volcanism during the evolution of the Rio Grande Rise by Hoyer, Patrick A., Haase, Karsten M., Regelous, Marcel, O’Connor, John M., Homrighausen, Stephan, Geissler, Wolfram H., Jokat, Wilfried

“…Abstract The Rio Grande Rise in the western South Atlantic Ocean has been interpreted as either an oceanic plateau related to the Tristan-Gough mantle plume,…”
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High mantle temperatures following rifting caused by continental insulation by Brandl, Philipp A., Regelous, Marcel, Beier, Christoph, Haase, Karsten M.

“…The continents are thought to insulate and heat the underlying mantle. Geochemical analyses of lava samples formed at a mid-ocean ridge in the Atlantic Ocean…”
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NEUTRON-POOR NICKEL ISOTOPE ANOMALIES IN METEORITES by STEELE, Robert C. J, COATH, Christopher D, REGELOUS, Marcel, RUSSELL, Sara, TIM ELLIOTT, And

“…We present new, mass-independent, Ni isotope data for a range of bulk chondritic meteorites. The data are reported as [epsilon[sup 60]]Ni[sub 58/61],…”
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Thallium isotopes as tracers of recycled materials in subduction zones: Review and new data for lavas from Tonga-Kermadec and Central America by Nielsen, Sune G., Prytulak, Julie, Blusztajn, Jerzy, Shu, Yunchao, Auro, Maureen, Regelous, Marcel, Walker, Jim

“…Sediment is actively being subducted in every convergent margin worldwide. Yet, geochemical data for arc lavas from several subduction zones, such as Northern…”
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Constraints on past plate and mantle motion from new ages for the Hawaiian‐Emperor Seamount Chain by John M. O'Connor, Bernhard Steinberger, Marcel Regelous, Anthony A. P. Koppers, Jan R. Wijbrans, Karsten M. Haase, Peter Stoffers, Wilfried Jokat, Dieter Garbe‐Schönberg

“…Estimates of the relative motion between the Hawaiian and Louisville hot spots have consequences for understanding the role and character of deep…”
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Tellurium in Late Permian‐Early Triassic Sediments as a Proxy for Siberian Flood Basalt Volcanism by Marcel Regelous, Anette Regelous, Stephen E. Grasby, David P. G. Bond, Karsten M. Haase, Stefan Gleißner, Paul B. Wignall

“…Abstract We measured the concentrations of trace elements in Late Permian to Early Triassic sediments from Spitsbergen. High mercury concentrations in…”
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Inverse response of 231Pa/230Th to variations of the Atlantic meridional overturning circulation in the North Atlantic intermediate water by Süfke, Finn, Schulz, Hartmut, Scheen, Jeemijn, Szidat, Sönke, Regelous, Marcel, Blaser, Patrick, Pöppelmeier, Frerk, Goepfert, Tyler J., Stocker, Thomas F., Lippold, Jörg

“…This study aims to provide a more detailed understanding of the behavior of 231 Pa/ 230 Th under varying ocean circulation regimes. The North Atlantic provides…”
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The geodynamics of plume-influenced mid-ocean ridges: insights from the Foundation Segment of the Pacific-Antarctic Ridge by Brandl, Philipp A., Beier, Christoph, Haase, Karsten M., Genske, Felix S., Hauff, Folkmar, Regelous, Marcel, Devey, Colin W., Rüpke, Lars H.

“…The intersection of the Foundation Plume with the Pacific-Antarctic Ridge is a key location in global geodynamics where a mantle plume is approached by and…”
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Magmatic PGE Sulphide Mineralization in Clinopyroxenite from the Platreef, Bushveld Complex, South Africa by Reiner Klemd, Andreas Beinlich, Matti Kern, Malte Junge, Laure Martin, Marcel Regelous, Robert Schouwstra

“…The Platreef, at the base of the northern limb of the Bushveld Complex in South Africa, hosts platinum-group element (PGE) mineralization in association with…”
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Geochemistry of near-EPR seamounts: importance of source vs. process and the origin of enriched mantle component by Niu, Yaoling, Regelous, Marcel, Wendt, Immo J., Batiza, Rodey, O’Hara, Mike J.

“…Niu and Batiza [Earth Planet. Sci. Lett. 148 (1997) 471–483] show that lavas from the seamounts on the flanks of the East Pacific Rise (EPR) between 5° and…”
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Origin of enriched-type mid-ocean ridge basalt at ridges far from mantle plumes: The East Pacific Rise at 11°20′N by Niu, Yaoling, Collerson, Ken D., Batiza, Rodey, Wendt, J. Immo, Regelous, Marcel

“…The East Pacific Rise (EPR) at 11°20′N erupts an unusually high proportion of enriched mid‐ocean ridge basalts (E‐MORB) and thus is ideal for studying the…”
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Contrasting geochemical patterns in the 3.7–3.8 Ga pillow basalt cores and rims, Isua greenstone belt, Southwest Greenland: implications for postmagmatic alteration processes by Polat, Ali, Hofmann, Albrecht W., Münker, Carsten, Regelous, Marcel, Appel, Peter W.U.

“…Pillow basalts from the early Archean (3.7 to 3.8 Ga) Isua greenstone belt, West Greenland, are characterized by well-preserved rims and concentric core…”
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