Search Results - "Haase, Karsten M"

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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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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Sources, transport, and deposition of metal(loid)s recorded by sulfide and rock geochemistry: constraints from a vertical profile through the epithermal Profitis Ilias Au prospect, Milos Island, Greece by Grosche, Anna, Klemd, Reiner, Denkel, Katja, Keith, Manuel, Haase, Karsten M., Voudouris, Panagiotis C., Alfieris, Dimitrios, Wiedenbeck, Michael

“…Drill core samples from the Profitis Ilias Pb-Zn-Cu-Ag-Au vein mineralization on Milos Island, Greece provide new insights into (i) the metal sources, (ii) the…”
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Constraints on the source of Cu in a submarine magmatic-hydrothermal system, Brothers volcano, Kermadec island arc by Keith, Manuel, Haase, Karsten M., Klemd, Reiner, Smith, Daniel J., Schwarz-Schampera, Ulrich, Bach, Wolfgang

“…Most magmatic-hydrothermal Cu deposits are genetically linked to arc magmas. However, most continental or oceanic arc magmas are barren, and hence new methods…”
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Evidence for compositionally distinct upper mantle plumelets since the early history of the Tristan-Gough hotspot by Homrighausen, Stephan, Hoernle, Kaj, Hauff, Folkmar, Hoyer, Patrick A., Haase, Karsten M., Geissler, Wolfram H., Geldmacher, Jörg

“…Recent studies indicate that mantle plumes, which transfer material and heat from the earth’s interior to its surface, represent multifaceted upwellings. The…”
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Primitive andesites from the Taupo Volcanic Zone formed by magma mixing by Beier, Christoph, Haase, Karsten M., Brandl, Philipp A., Krumm, Stefan H.

“…Andesites with Mg# >45 erupted at subduction zones form either by partial melting of metasomatized mantle or by mixing and assimilation processes during melt…”
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Spatial Variations in Magmatic Volatile Influx and Fluid Boiling in the Submarine Hydrothermal Systems of Niuatahi Caldera, Tonga Rear‐Arc by Falkenberg, Jan J., Keith, Manuel, Haase, Karsten M., Sporer, Christian, Bach, Wolfgang, Klemd, Reiner, Strauss, Harald, Storch, Bettina, Peters, Christian, Rubin, Kenneth H., Anderson, Melissa O.

“…Submarine caldera volcanoes may host several hydrothermal systems along the caldera wall and related to volcanic cones. Fluid boiling and magmatic volatile…”
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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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Constraints on the magmatic evolution of the oceanic crust from plagiogranite intrusions in the Oman ophiolite by Haase, Karsten M., Freund, Sarah, Beier, Christoph, Koepke, Jürgen, Erdmann, Martin, Hauff, Folkmar

“…We present major and trace element as well as Sr, Nd, and Hf isotope data on a suite of 87 plutonic rock samples from 27 felsic crustal intrusions in seven…”
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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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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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Lithium and boron isotope systematics in lavas from the Azores islands reveal crustal assimilation by Genske, Felix S., Turner, Simon P., Beier, Christoph, Chu, Mei-Fei, Tonarini, Sonia, Pearson, Norman J., Haase, Karsten M.

“…The stable isotope systems of Li and B are useful tools for the understanding of ocean island basalt genesis. We have applied both systems to a comprehensive…”
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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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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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The magmatic evolution of young island arc crust observed in gabbroic to tonalitic xenoliths from Raoul Island, Kermadec Island Arc by Haase, Karsten M., Lima, Selma, Krumm, Stefan, Garbe-Schönberg, Dieter

“…We provide new geochemical and O isotope data for minerals and whole rocks of a suite of gabbroic to tonalitic xenoliths from Raoul Island in the Kermadec…”
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The evolution of the Arabian lower crust and lithospheric mantle — Geochemical constraints from southern Syrian mafic and ultramafic xenoliths by Krienitz, Marc-Sebastian, Haase, Karsten M.

“…Geochemical compositions of lower crustal and lithospheric mantle xenoliths found in alkali basaltic lavas from the Harrat Ash Shamah volcanic field in…”
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Systematic variations of trace element and sulfur isotope compositions in pyrite with stratigraphic depth in the Skouriotissa volcanic-hosted massive sulfide deposit, Troodos ophiolite, Cyprus by Keith, Manuel, Haase, Karsten M., Klemd, Reiner, Krumm, Stefan, Strauss, Harald

“…The Troodos ophiolite represents one of the best-preserved fossil analogs of modern oceanic crust and includes numerous volcanic-hosted massive sulfide…”
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Melts from hydrous depleted back-arc mantle at a young boninitic volcano on the flank of Valu Fa Ridge (Lau basin, SW Pacific) by Myeong, Bora, Regelous, Marcel, Haase, Karsten M., Lim, Hoseong, Park, Jongkyu

“…Volcano S3 is a young seamount located ~ 5 km east of the Valu Fa Ridge (VFR) in the Lau Basin, which has erupted boninitic lavas. We present new data for…”
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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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The high-K calc-alkaline to shoshonitic volcanism of Limnos, Greece: implications for the geodynamic evolution of the northern Aegean by Gläser, Leon, Grosche, Anna, Voudouris, Panagiotis C., Haase, Karsten M.

“…Genetic models for the formation of K-rich magmas in subduction-related settings range from partial melting of subduction-affected mantle sources to melting of…”
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