Search Results - "Stoffers, Peter"
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Constraints on past plate and mantle motion from new ages for the Hawaiian‐Emperor Seamount Chain
Published in Geochemistry, geophysics, geosystems : G3 (01-10-2013)“…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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Deformation-related volcanism in the Pacific Ocean linked to the Hawaiian–Emperor bend
Published in Nature geoscience (01-05-2015)“…The Hawaiian–Emperor volcanic chain has a distinctive bend. Geochemical analyses show that lavas erupted on the ocean floor close to the bend formed during…”
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Migration of widespread long-lived volcanism across the Galápagos Volcanic Province: Evidence for a broad hotspot melting anomaly?
Published in Earth and planetary science letters (30-11-2007)“…The well-studied Galápagos Archipelago is a small part of the much larger Galápagos Volcanic Province (GVP) consisting of the Cocos, Carnegie, Coiba and…”
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Collapse and reconstruction of Monowai submarine volcano, Kermadec arc, 1998–2004
Published in Journal of Geophysical Research - Solid Earth (01-08-2008)“…Monowai submarine volcano is one of the three most historically active volcanoes of the Kermadec arc. Repeat multibeam surveys of Monowai Cone from September…”
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Clay alteration of volcaniclastic material in a submarine geothermal system, Bay of Plenty, New Zealand
Published in Journal of volcanology and geothermal research (01-04-2010)“…The Calypso Hydrothermal Vent Field (CHVF) is located along an offshore extension of the Taupo Volcanic Zone (TVZ), an area of abundant volcanism and…”
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Hydrothermal sediment alteration at a seafloor vent field: Grimsey Graben, Tjörnes Fracture Zone, north of Iceland
Published in Journal of Geophysical Research - Solid Earth (01-11-2008)“…An active seafloor hydrothermal system subjects the background sediments of the Grimsey Graben (Tjörnes Fracture Zone) to alteration that produces dissolution…”
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A geochemical study of off-axis seamount lavas at the Valu Fa Ridge: Constraints on magma genesis and slab contributions in the southern Tonga subduction zone
Published in Lithos (01-09-2009)“…New geochemical data are presented for fresh lavas from off-axis seamounts east and west of the Valu Fa Ridge and from seamounts south of the propagating rift…”
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Magmatism in the Bransfield Basin: Rifting of the South Shetland Arc?
Published in Journal of Geophysical Research - Solid Earth (01-12-2004)“…Bransfield Basin is an actively extending marginal basin separating the inactive South Shetland arc from the northern Antarctic Peninsula. Rift‐related…”
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Formation of island arc dacite magmas by extreme crystal fractionation: An example from Brothers Seamount, Kermadec island arc (SW Pacific)
Published in Journal of volcanology and geothermal research (15-04-2006)“…Dacitic to rhyolitic glasses from Brothers Seamount in the southern Kermadec island arc lie on very tight major element trends and have formed by fractional…”
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Constraints on origin and evolution of Red Sea brines from helium and argon isotopes
Published in Earth and planetary science letters (01-01-2001)“…Brines from three depressions along the axis of the Red Sea, the Atlantis II, the Discovery and the Kebrit Deep, were sampled and analyzed for helium and argon…”
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Discovery and Description of Giant Submarine Smectite Cones on the Seafloor in Eyjafjordur, Northern Iceland, and a Novel Thermal Microbial Habitat
Published in Applied and Environmental Microbiology (01-02-2001)“…Classifications Services AEM Citing Articles Google Scholar PubMed Related Content Social Bookmarking CiteULike Delicious Digg Facebook Google+ Mendeley Reddit…”
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Ridge–hotspot interaction: the Pacific–Antarctic Ridge and the foundation seamounts
Published in Marine geology (01-09-1999)“…The study of different magmatic provinces between the Resolution fracture zone (33°S–131°W) and the Pacific–Antarctic Ridge (PAR) axis (37°S–111°W) suggests…”
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Pulsing of a focused mantle plume: Evidence from the distribution of foundation chain hotspot volcanism
Published in Geophysical research letters (01-05-2002)“…Using the rare case of a hotspot chain crossing a fossil microplate, we reveal fundamental mantle plume characteristics by comparing hotspot volcanism in a…”
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Hydrothermal Fe and Si oxyhydroxide deposits from South Pacific intraplate volcanoes and East Pacific Rise axial and off-axial regions
Published in Economic geology and the bulletin of the Society of Economic Geologists (01-12-1993)“…The geology is reviewed, and analytical techniques are given. A total of 24 photos and microphotos are shown. The mineralogy is tabulated. Trace elements and…”
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Osbourn Trough: Structure, geochemistry and implications of a mid-Cretaceous paleospreading ridge in the South Pacific
Published in Earth and planetary science letters (30-05-2006)“…Osbourn Trough is a key piece in an outstanding problem: do the Ontong Java, Manihiki and Hikurangi large igneous provinces represent a single ~100 million km3…”
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Metal accumulation rates in sediments from the Southwestern Pacific Basin
Published in GEOCHEMICAL JOURNAL (01-01-1999)“…Element accumulation rates for 19 elements in 11 sediment cores from the Southwestern Pacific Basin have been computed. Fe, Mn, V, Co, Ni, Cu, Zn and Pb show…”
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Geology of a submarine volcanic caldera in the Tonga Arc: Dive results
Published in Journal of volcanology and geothermal research (15-10-2008)“…A submersible dive conducted on Volcano #1 located near 21° 09′S–175° 45′W on the Tonga Arc showed that the volcanic edifice with a caldera floor area of 30 km…”
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Organic-rich sediments in brine-filled Shaban- and Kebrit deeps, northern Red Sea
Published in Chemical geology (15-10-2007)“…The element compositions Si, Ca and Al of up to 21.1 ka old sediments in about 10 m long cores from the southern basin of the Shaban and Kebrit deeps in the…”
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Magmatism during extension of the lithosphere: geochemical constraints from lavas of the Shaban Deep, northern Red Sea
Published in Chemical geology (22-05-2000)“…Geochemical and isotopic data of tholeiitic lavas from the northernmost volcanic deep, the Shaban Deep in the Red Sea rift suggest the presence of small-scale…”
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