Search Results - "Hauff, F."

Across-arc geochemical variations in the Southern Volcanic Zone, Chile (34.5–38.0°S): Constraints on mantle wedge and slab input compositions by Jacques, G., Hoernle, K., Gill, J., Hauff, F., Wehrmann, H., Garbe-Schönberg, D., van den Bogaard, P., Bindeman, I., Lara, L.E.

“…Crustal assimilation (e.g. Hildreth and Moorbath, 1988) and/or subduction erosion (e.g. Stern, 1991; Kay et al., 2005) are believed to control the geochemical…”
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Basalt Geochemistry and Mantle Flow During Early Backarc Basin Evolution: Havre Trough and Kermadec Arc, Southwest Pacific by J. Gill, K. Hoernle, E. Todd, F. Hauff, R. Werner, C. Timm, D. Garbe‐Schönberg, M. Gutjahr

“…Abstract The Havre Trough (HT) backarc basin in the southwest Pacific is in the rifting stage of development. We distinguish five types of basalt there based…”
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Origin of Indian Ocean Seamount Province by shallow recycling of continental lithosphere by Hoernle, K., Hauff, F., Werner, R., van den Bogaard, P., Gibbons, A. D., Conrad, S., Müller, R. D.

“…The origin of the Christmas Island Seamount Province in the northeast Indian Ocean is enigmatic. Radiometric dating and isotopic analysis of volcanic rocks…”
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Petrogenesis of a late-stage calc-alkaline granite in a giant S-type batholith: geochronology and Sr–Nd–Pb isotopes from the Nomatsaus granite (Donkerhoek batholith), Namibia by Aspiotis, S., Jung, S., Hauff, F., Romer, R. L.

“…The late-tectonic 511.4 ± 0.6 Ma-old Nomatsaus intrusion (Donkerhoek batholith, Damara orogen, Namibia) consists of moderately peraluminous, magnesian,…”
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Do the 85°E Ridge and Conrad Rise form a hotspot track crossing the Indian Ocean? by Homrighausen, S., Hoernle, K., Wartho, J.-A., Hauff, F., Werner, R.

“…Age-progressive volcanic chains are generally considered as surface expressions of deep-rooted mantle plumes, whereas non-age progressive volcanic groups or…”
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Petrogenesis of rift-related tephrites, phonolites and trachytes (Central European Volcanic Province, Rhön, FRG): Constraints from Sr, Nd, Pb and O isotopes by Jung, S., Mezger, K., Hauff, F., Pack, A., Hoernes, S.

“…The volcanic rocks of the Rhön area (Central European Volcanic Province, Germany) belong to a moderately alkali basaltic suite that is associated with minor…”
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Cenozoic intraplate volcanism on New Zealand: Upwelling induced by lithospheric removal by Hoernle, K., White, J.D.L., van den Bogaard, P., Hauff, F., Coombs, D.S., Werner, R., Timm, C., Garbe-Schönberg, D., Reay, A., Cooper, A.F.

“…Diffuse intraplate volcanism spanning the Cenozoic on the North, South, Chatham, Auckland, Campbell and Antipodes Islands of New Zealand has produced quartz…”
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Generation of magnesian, high-K alkali-calcic granites and granodiorites from amphibolitic continental crust in the Damara orogen, Namibia by Bergemann, C., Jung, S., Berndt, J., Stracke, A., Hauff, F.

“…The Pan-African Damara orogen of Namibia is characterized by large-scale granitoid intrusions. Two plutons in the Northern Central Zone (NCZ) of the Damara…”
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Seamounts off the West Antarctic margin: A case for non-hotspot driven intraplate volcanism by Kipf, A., Hauff, F., Werner, R., Gohl, K., van den Bogaard, P., Hoernle, K., Maicher, D., Klügel, A.

“…New radiometric age and geochemical data of volcanic rocks from the guyot-type Marie Byrd Seamounts (MBS) and the De Gerlache Seamounts and Peter I Island…”
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Petrogenesis of synorogenic diorite–granodiorite–granite complexes in the Damara Belt, Namibia: Constraints from U–Pb zircon ages and Sr–Nd–Pb isotopes by Jung, S., Kröner, A., Hauff, F., Masberg, P.

“…•Isotope data from the Palmental diorite (Damara orogen, Namibia) imply derivation from the aged lithospheric mantle.•More evolved samples indicate AFC…”
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Geochemical zonation of the Miocene Alborán Basin volcanism (westernmost Mediterranean): geodynamic implications by Duggen, S., Hoernle, K., Klügel, A., Geldmacher, J., Thirlwall, M., Hauff, F., Lowry, D., Oates, N.

“…We present new major and trace element and O–Sr–Nd-isotope data for igneous rocks from the western Mediterranean Alborán Sea, collected during the METEOR 51/1…”
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Paired EMI-HIMU hotspots in the South Atlantic—Starting plume heads trigger compositionally distinct secondary plumes? by Homrighausen, S., Hoernle, K., Zhou, H., Geldmacher, J., Wartho, J-A., Hauff, F., Werner, R., Jung, S., Morgan, J. P.

“…Initiation of Tristan-Gough and Shona EMI plumes triggers secondary HIMU plumes, generating overlapping EMI-HIMU hotspot tracks. Age-progressive volcanism is…”
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Origin of Meso-Proterozoic post-collisional leucogranite suites (Kaokoveld, Namibia): constraints from geochronology and Nd, Sr, Hf, and Pb isotopes by Jung, S., Mezger, K., Nebel, O., Kooijman, E., Berndt, J., Hauff, F., Münker, C.

“…Leucocratic granites of the Proterozoic Kaoko Belt, northern Namibia, now preserved as meta-granites, define a rock suite that is distinct from the surrounding…”
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Hafnium isotopic variations in East Atlantic intraplate volcanism by Geldmacher, Jörg, Hoernle, Kaj, Hanan, Barry B., Blichert-Toft, Janne, Hauff, F., Gill, James B., Schmincke, Hans-Ulrich

“…The broad belt of intraplate volcanism in the East Atlantic between 25° and 37° N is proposed to have formed by two adjacent hotspot tracks (the Madeira and…”
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Major, trace element and Nd–Sr–Pb–O–He–Ar isotope signatures of shield stage lavas from the central and western Canary Islands: Insights into mantle and crustal processes by Gurenko, A.A., Hoernle, K.A., Hauff, F., Schmincke, H.-U., Han, D., Miura, Y.N., Kaneoka, I.

“…The Canary plume is one of the few plumes that can be traced to the core–mantle boundary, making it an excellent location for studying mantle melting dynamics…”
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Magmatic evolution of a dying spreading axis: Evidence for the interaction of tectonics and mantle heterogeneity from the fossil Phoenix Ridge, Drake Passage by Haase, K.M., Beier, C., Fretzdorff, S., Leat, P.T., Livermore, R.A., Barry, T.L., Pearce, J.A., Hauff, F.

“…New 40Ar– 39Ar ages of 5.6 to 1.3 Ma for lavas from the fossil Phoenix Ridge in the Drake Passage show that magmatism continued for at least 2 Ma after the…”
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Continuation of the New England Orogen, Australia, beneath the Queensland Plateau and Lord Howe Rise by Mortimer, N., Hauff, F., Calvert, A. T.

“…Greywacke, argillite, greyschist and hypabyssal igneous rocks have been obtained from an Ocean Drilling Program core on the Queensland Plateau and from…”
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Large volume recycling of oceanic lithosphere over short time scales: geochemical constraints from the Caribbean Large Igneous Province by Hauff, F., Hoernle, K., Tilton, G., Graham, D.W., Kerr, A.C.

“…Oceanic flood basalts are poorly understood, short-term expressions of highly increased heat flux and mass flow within the convecting mantle. The uniqueness of…”
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Hydrothermal activity and magma genesis along a propagating back-arc basin: Valu Fa Ridge (southern Lau Basin) by Fretzdorff, S., Schwarz-Schampera, U., Gibson, H. L., Garbe-Schönberg, C.-D., Hauff, F., Stoffers, P.

“…Valu Fa Ridge is an intraoceanic back‐arc spreading center located at the southern prolongation of the Lau basin. Bathymetric observations as well as detailed…”
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Silicification of peridotites at the stalemate fracture zone (Northwestern Pacific): Reconstruction of the conditions of low-temperature weathering and tectonic interpretation by Silantyev, S. A., Novoselov, A. A., Krasnova, E. A., Portnyagin, M. V., Hauff, F., Werner, R.

“…a During cruise SO201-1b of the joint Russian-German expedition on the R/V Sonne in 2009, mantle peridotites affected by varying secondary alteration were…”
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