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  • Wiley  (16)
  • Kiel : GEOMAR, Forschungszentrum für Marine Geowissenschaften an der Christian-Albrechts-Universität zu Kiel  (3)
  • IFM-GEOMAR, Kiel  (2)
  • IFM-Geomar, Kiel  (2)
Document type
Keywords
Publisher
Language
Years
  • 1
    Online Resource
    Online Resource
    Panama basin and Galápagos Plume, New INvestigations of Intraplate magmatism ; SO 144 ; Abschlußbericht 2002 ; Berichtszeitraum: 1. Juli 1999 bis 31. Dezember 2001 ; PAGANINI (2002)
    Kiel : GEOMAR, Forschungszentrum für Marine Geowissenschaften an der Christian-Albrechts-Universität zu Kiel
    Details Availability
    Keywords: Forschungsbericht
    Type of Medium: Online Resource
    Pages: Online-Ressource ([14] p. = 61,0 KB)
    Edition: [Elektronische Ressource]
    URL: https://edocs.tib.eu/files/e01fb02/358018102.pdf
    URL: https://edocs.tib.eu/files/e01fb02/358018102l.pdf
    Language: German , English
    Note: Contract BMBF 03G144 A. - Differences between the printed and electronic version of the document are possible. - nBibliography p. [8] - [10] , Also available as printed version , Systemvoraussetzungen: Acrobat Reader.
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  • 2
    Online Resource
    Online Resource
    HULA-II : Interdisziplinäre Untersuchungen zur zeitlichen Einordung des Hawaii-Emperor Knicks und dem Ursprung von Lithosphären Anomalien an der Musicians Seamount Kette ; SO 142 ; Abschlußbericht 2002 ; Berichtszeitraum: 1. Mai 1999 bis 31. Dezember 2001 (2002)
    Kiel : GEOMAR, Forschungszentrum für Marine Geowissenschaften an der Christian-Albrechts-Universität zu Kiel
    Details Availability
    Keywords: Forschungsbericht
    Description / Table of Contents: Hot spot volcanism, Musicians Seamounts, Italian Ridge, Bach Ridge, Crustal Structure, Ocean bottom hydrophones
    Type of Medium: Online Resource
    Pages: Online-Ressource ([10] p. = 57,6 KB)
    Edition: [Elektronische Ressource]
    URL: https://edocs.tib.eu/files/e01fb02/358017491.pdf
    URL: https://edocs.tib.eu/files/e01fb02/358017491l.pdf
    Language: German , English
    Note: Contract BMBF 03G142A. - Differences between the printed and electronic version of the document are possible. - Engl. abstract under title: SO 142-HULA II: Interdisciplinary investigations on the timing of the Hawaii-emperor bend and the origin of lithospheric anomalies along the musician seamount chain. - nBibliography p. [5] - [6]. - nIndex p. 7 , Also available as printed version , Systemvoraussetzungen: Acrobat Reader.
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  • 3
    Book
    Book
    Panama Basin and Galapagos Plume - new Investigations of Intraplate Magmatism : SO144 ; Abschlußbericht 2002 ; Berichtszeitraum: 1. Juli 1999 bis 31. Dezember 2001 ; PAGANINI (2002)
    Kiel : GEOMAR, Forschungszentrum für Marine Geowissenschaften an der Christian-Albrechts-Universität zu Kiel
    Details Availability
    Keywords: Forschungsbericht
    Description / Table of Contents: Galápagos Islands, East Pacific, hotspot, plume-ridge interaction, geochemistry, volcanology, magnetic anomalies, morphology
    Type of Medium: Book
    Pages: Getr. Zählung, [296] S. , Ill., graph. Darst., Kt.
    Language: English , German
    Note: Förderkennzeichen BMBF 03 G 144 A , Text teils dt., überw. in engl. Sprache , Unterschiede zwischen dem gedruckten Dokument und der elektronischen Ressource können nicht ausgeschlossen werden , Teilweise auch als elektronische Ressource vorh
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  • 4
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    FS Sonne Fahrtbericht/Cruise Report SO 190 (2010)
    IFM-Geomar, Kiel
    Details
    Publication Date: 2021-03-29
    Description: report
    Keywords: 551.4 ; 551.22 ; 550
    Language: English
    Type: article , publishedVersion
    Format: 193 S.
    Format: application/pdf
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  • 5
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    RRS James Cook Fahrtbericht (2010)
    IFM-GEOMAR, Kiel
    Details
    Publication Date: 2021-03-29
    Description: report
    Keywords: 551.4 ; 550 ; TSZ 300 ; Pazifischer Ozean {Geophysik}
    Language: English
    Type: article , publishedVersion
    Format: 229 S.
    Format: application/pdf
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    CITATION GEO-LEO
  • 6
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    FS Sonne Fahrtbericht/Cruise Report SO 186 Leg 3 (2010)
    IFM-Geomar, Kiel
    Details
    Publication Date: 2021-03-29
    Description: report
    Keywords: 551.4 ; 551.22 ; 550 ; UKD 100 ; TSZ 200 ; TSJ 200 ; TOH 300 ; TOH 100 ; TOH 200 ; TQC 600 ; Expeditionsberichte {Regionale Ozeanologie, Indischer Ozean} ; Indischer Ozean {Geophysik} ; Südostasien {Geophysik} ; Seismische Wellen {Geophysik} ; Seismometrie {Geophysik} ; Seismische Vorhersagen {Geophysik} ; Tiefseeseismik {Geophysik}
    Language: English
    Type: article , publishedVersion
    Format: 212 S.
    Format: application/pdf
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  • 7
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    FS Sonne Fahrtbericht/Cruise Report SO 186 B, C & D (2010)
    IFM-GEOMAR, Kiel
    Details
    Publication Date: 2021-03-29
    Description: report
    Keywords: 551.4 ; 551.22 ; 550 ; UKD 100 ; UHD 540 ; TOH 200 ; Expeditionsberichte {Regionale Ozeanologie, Indischer Ozean} ; Lange Wellen außer Gezeitenwellen {Dynamische Ozeanologie} ; Seismische Vorhersagen {Geophysik}
    Language: English
    Type: article , publishedVersion
    Format: 174 S.
    Format: application/pdf
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  • 8
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    Crustal structure of the central Sunda margin at the onset of oblique subduction (2001)
    Wiley
    In:  Geophysical Journal International, 147 (2). pp. 449-474.
    Details
    Publication Date: 2018-07-16
    Description: The convergent margin of the central Sunda Arc in Indonesia was the target of a reflection and refraction seismic survey conducted in 1998 and 1999. Along two seismic lines across the subduction complex off southern Sumatra and off Sunda Strait, coincident multichannel and wide-angle data were collected, complemented by two refraction strike-lines in the forearc basin off Sumatra. The combined analysis of the acquired data allows us to present a detailed model of the subduction zone where initiation of strain partitioning occurs due to the onset of oblique subduction. The dip of the subducted plate is well defined along both dip-lines and a lateral increase from 5° to 7° from beneath the outer high off Sumatra to Sunda Strait is supported by complementary gravity modelling. The downgoing slab is traced to a depth of more than 30km. On both reflection dip-lines, a clearly developed backstop structure underlying a trench slope break defines the landward termination of the active accretionary prism and separates it from the outer high. Active subduction accretion is supported by laterally increasing velocities between the deformation front and the active backstop structure. Seismic velocities of the outer high are moderate along both lines (〈5.8kms−1 at 20km depth), suggesting a sedimentary composition. Reduced reflectivity beneath a rugged top basement traced along the outer high of both dip-lines supports a high degree of deformation and material compaction. Several kilometres of sediment has accumulated in the forearc domain, although a distinct morphological basin is only recognized off southern Sumatra and is not developed off Sunda Strait. The bathymetric elevation of the Java shelf that is encountered in the southern Sunda Strait corresponds to increased velocities of a basement high there and is connected to extensional structures of the Sunda Strait transtensional basin. Differences observed in the morphology of the forearc domain are also reflected in the lower crustal structure. Off southern Sumatra, the velocity–depth model clearly indicates a continental-type crust underlying the forearc basin, whereas lower velocities are found beneath the Sunda Strait forearc domain. Off Sumatra, some 3-D constraint on the upper plate structure is gained from the refraction strike-lines, which in addition is supported by synthetic data modelling.
    Type: Article , PeerReviewed
    Format: text
    DOI: 10.1046/j.0956-540x.2001.01547.x
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    OceanRep: Article in a Scientific Journal - peer-reviewed
  • 9
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    Lower slope morphology of the Sumatra trench system (2008)
    Wiley
    In:  Basin Research, 20 (4). pp. 519-529.
    Details
    Publication Date: 2019-01-21
    Description: At convergent margins, the structure of the subducting oceanic plate is one of the key factors controlling the morphology of the upper plate. We use high-resolution seafloor mapping and multichannel seismic reflection data along the accretionary Sumatra trench system to investigate the morphotectonic response of the upper plate to the subduction of lower plate fabric. Upper plate segmentation is reflected in varying modes of mass transfer. The deformation front in the southern Enggano segment is characterized by neotectonic formation of a broad and shallow fold-and-thrust belt consistent with the resumption of frontal sediment accretion in the wake of oceanic relief subduction. Conversely, surface erosion increasingly shapes the morphology of the lower slope and accretionary prism towards the north where significant oceanic relief is subducted. Subduction of the Investigator Fracture Zone and the fossil Wharton spreading centre in the Siberut segment exemplifies this. Such features also correlate with an irregularly trending deformation front suggesting active frontal erosion of the upper plate. Lower plate fabric extensively modulates upper plate morphology and the large-scale morphotectonic segmentation of the Sumatra trench system is linked to the subduction of reactivated fracture zones and aseismic ridges of the Wharton Basin. In general, increasing intensity of mass-wasting processes, from south to north, correlates with the extent of oversteepening of the lower slope (lower slope angle of 3.8 degrees in the south compared with 7.6 degrees in the north), probably in response to alternating phases of frontal accretion and sediment underthrusting. Accretionary mechanics thus pose a second-order factor in shaping upper plate morphology near the trench.
    Type: Article , PeerReviewed
    Format: text
    DOI: 10.1111/j.1365-2117.2008.00381.x
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    OceanRep: Article in a Scientific Journal - peer-reviewed
  • 10
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    Crustal underplating and its implications for subsidence and state of isostasy along the Ninetyeast Ridge hotspot trail (2000)
    Wiley
    In:  Geophysical Journal International, 142 (2). pp. 643-649.
    Details
    Publication Date: 2018-01-31
    Description: Recent seismic field work has revealed high lower-crustal velocities under Ninetyeast Ridge, Indian Ocean, indicating the presence of crustal underplating (Grevemeyer et al. 2000). We used results from Ocean Drilling Program (ODP) drill cores and cross-spectral analysis of gravity and bathymetric data to study the impact of the underplating body on the subsidence history and the mode of isostatic compensation along Ninetyeast Ridge. Compared with the adjacent Indian basin, the subsidence of Ninetyeast Ridge is profoundly anomalous. Within the first few millions of years after crustal emplacement the ridge subsided rapidly. Thereafter, however, subsidence slowed down significantly. The most reliable model of isostasy suggests loading of a thin elastic plate on and beneath the seafloor. Isostatic compensation of subsurface loading occurs at a depth of about 25km, which is in reasonably good agreement with seismic constraints. Subsurface loading is inherently associated with buoyant forces acting on the lithosphere. The low subsidence may therefore be the superposition of cooling of the lithosphere and uplift due to buoyant material added at the base of the crust. A model including prolonged crustal growth in the form of subcrustal plutonism may account for all observations.
    Type: Article , PeerReviewed
    Format: text
    DOI: 10.1046/j.1365-246x.2000.00154.x
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    OceanRep: Article in a Scientific Journal - peer-reviewed
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