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  • Artikel  (3)
  • Artikel (Open Access)  (3)
  • 04. Solid Earth::04.07. Tectonophysics::04.07.06. Subduction related processes  (1)
  • 04. Solid Earth::04.08. Volcanology::04.08.03. Magmas  (1)
  • 05. General::05.01. Computational geophysics::05.01.01. Data processing  (1)
  • 04. Solid Earth::04.06. Seismology::04.06.99. General or miscellaneous
  • Istituto Nazionale di Geofisica e Vulcanologia  (1)
  • Nature Publishing Group  (1)
  • Springer Verlag Germany  (1)
  • American Chemical Society
  • BioMed Central
  • 2020-2023
  • 2010-2014  (3)
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  • 1945-1949
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  • Artikel  (3)
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  • Artikel (Open Access)  (3)
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  • 2020-2023
  • 2010-2014  (3)
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  • 1945-1949
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  • 1
    facet.materialart.
    Unbekannt
    Experimental simulation of magma–carbonate interaction beneath Mt. Vesuvius, Italy (2013)
    Springer Verlag Germany
    Details
    Publikationsdatum: 2021-06-25
    Beschreibung: We simulated the process of magma–carbonate interaction beneath Mt. Vesuvius in short duration piston-cylinder experiments under controlled magmatic conditions (from 0 to 300 s at 0.5 GPa and 1,200 C), using a Vesuvius shoshonite composition and upper crustal limestone and dolostone as starting materials. Backscattered electron images and chemical analysis (major and trace elements and Sr isotopes) of sequential experimental products allow us to identify the textural and chemical evolution of carbonated products during the assimilation process. We demonstrate that melt–carbonate interaction can be extremely fast (minutes), and results in dynamic contamination of the host melt with respect to Ca, Mg and87Sr/86Sr, coupled with intense CO2 vesiculation at the melt–carbonate interface. Binary mixing between carbon- ate and uncontaminated melt cannot explain the geochemical variations of the experimental charges in full and convection and diffusion likely also operated in the charges. Physical mixing and mingling driven by exsolving volatiles seems to be a key process to promote melt homogenisation. Our results reinforce hypotheses that magma–carbonate interaction is a relevant and ongoing process at Mt. Vesuvius and one that may operate not only on a geological, but on a human timescale.
    Beschreibung: Swedish Science Foundation (VR), the Centre for Natural Disaster Science (CNDS), Uppsala University (UU), the Royal Swedish Academy of Science (KVA), the Irish Research Council for Science (IRCSET), and the Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Beschreibung: Published
    Beschreibung: 1335-1353
    Beschreibung: 2.3. TTC - Laboratori di chimica e fisica delle rocce
    Beschreibung: JCR Journal
    Beschreibung: restricted
    Schlagwort(e): Mt. Vesuvius ; Magma–carbonate interaction ; CO2 liberation ; tExperimental petrology ; 04. Solid Earth::04.08. Volcanology::04.08.03. Magmas
    Repository-Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Materialart: article
    Standort Signatur Erwartet Verfügbarkeit
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    ARTIKEL (OA)
  • 2
    facet.materialart.
    Unbekannt
    Clues from joint inversion of tsunami and geodetic data of the 2011 Tohoku-oki earthquake (2013)
    Nature Publishing Group
    Details
    Publikationsdatum: 2017-04-04
    Beschreibung: The 2011 Tohoku-oki (Mw 9.1) earthquake is so far the best-observed megathrust rupture, which allowed the collection of unprecedented offshore data. The joint inversion of tsunami waveforms (DART buoys, bottom pressure sensors, coastal wave gauges, and GPS-buoys) and static geodetic data (onshore GPS, seafloor displacements obtained by a GPS/acoustic combination technique), allows us to retrieve the slip distribution on a non-planar fault. We show that the inclusion of near-source data is necessary to image the details of slip pattern (maximum slip ,48 m, up to ,35 m close to the Japan trench), which generated the large and shallow seafloor coseismic deformations and the devastating inundation of the Japanese coast. We investigate the relation between the spatial distribution of previously inferred interseismic coupling and coseismic slip and we highlight the importance of seafloor geodetic measurements to constrain the interseismic coupling, which is one of the key-elements for long-term earthquake and tsunami hazard assessment.
    Beschreibung: Published
    Beschreibung: 385
    Beschreibung: 3.1. Fisica dei terremoti
    Beschreibung: N/A or not JCR
    Beschreibung: restricted
    Schlagwort(e): Tohoku ; Subduction ; Tsunami ; Inverse problem ; 04. Solid Earth::04.06. Seismology::04.06.03. Earthquake source and dynamics ; 04. Solid Earth::04.07. Tectonophysics::04.07.06. Subduction related processes
    Repository-Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Materialart: article
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
    ARTIKEL (OA)
  • 3
    facet.materialart.
    Unbekannt
    Magnetic anomalies of steel drums: a review of the literature and research results of the INGV (2013)
    Istituto Nazionale di Geofisica e Vulcanologia
    Details
    Publikationsdatum: 2017-04-04
    Beschreibung: The detection and evaluation of the status of disposal sites that contain hazardous waste materials is becoming an increasingly important element in environmental investigations. Close cooperation between the Istituto Nazionale di Geofisica e Vulcanologia (INGV; National Institute of Volcanology and Geophysics) in Rome and the Italian environmental police has resulted in numerous underground investigations of different buried materials. Among the geophysical investigation tools, magnetometry is the most effective, rapid and precise of all of the geophysical methods for localizing buried steel drums. Analysis of magnetic map anomalies can provide a variety of information about buried materials, including extension, distribution and depth, with processing of the acquired magnetic data. This information is also very useful in case of excavations that are aimed at the recovery of hazardous waste. This study determines the most relevant analyses reported in the literature, with modeling of magnetometric methods for environmental applications both theoretically and experimentally. Some studies and research results achieved by the INGV in relation to magnetic anomalies produced by buried steel drums are also reported, as found in field operations and as achieved from test sites.
    Beschreibung: Published
    Beschreibung: R0108
    Beschreibung: 1.6. Osservazioni di geomagnetismo
    Beschreibung: 3.4. Geomagnetismo
    Beschreibung: 5.4. Banche dati di geomagnetismo, aeronomia, clima e ambiente
    Beschreibung: JCR Journal
    Beschreibung: partially_open
    Schlagwort(e): Toxic waste ; Steel-drum detection ; Magnetic anomalies ; 04. Solid Earth::04.05. Geomagnetism::04.05.99. General or miscellaneous ; 04. Solid Earth::04.05. Geomagnetism::04.05.04. Magnetic anomalies ; 04. Solid Earth::04.05. Geomagnetism::04.05.08. Instruments and techniques ; 05. General::05.01. Computational geophysics::05.01.99. General or miscellaneous ; 05. General::05.01. Computational geophysics::05.01.01. Data processing ; 05. General::05.01. Computational geophysics::05.01.03. Inverse methods
    Repository-Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Materialart: article
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
    ARTIKEL (OA)
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