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  • Crustal deformation (cf. Earthquake precursor: deformation or strain)  (4)
  • 04. Solid Earth  (3)
  • E62
  • Wiley  (4)
  • Geological Society  (3)
  • Bonn: Institute for the Study of Labor (IZA)
  • 1
    Publikationsdatum: 2024-03-12
    Beschreibung: The late Miocene Monte Capanne and Porto Azzurro plutons are investigated by means of coupled U-Pb zircon and 40Ar/39Ar white mica dating to test the occurrence of long-lived magmatic systems in the upper crust. Zircon crystallized for 〉 1 Myr in both plutonic systems, with supersolidus conditions overlapping for ~220 kyr indicating previously unrecognized co-existence of the two reservoirs. The development of the Porto Azzurro high T-aureole is post-dated by continuous igneous zircon crystallization until ~ 6.0 Ma. By linking crystallization to post-emplacement cooling of late-stage pulses in both western and eastern Elba we constrain long-lived sizeable reservoirs (possibly the same reservoir) in the Tyrrhenian upper crust between ~8 and 6 Ma.
    Beschreibung: In press
    Beschreibung: OST1 Alla ricerca dei Motori Geodinamici
    Beschreibung: JCR Journal
    Schlagwort(e): 40Ar/39Ar white mica dating ; Elba Island ; long-lived magma reservoirs ; U–Pb zircon dating ; MioceneTyrrhenian crust ; upper crustal granites ; 04. Solid Earth
    Repository-Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Materialart: article
    Standort Signatur Erwartet Verfügbarkeit
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  • 2
    Publikationsdatum: 2021-02-03
    Beschreibung: Gases present in the Earth crust are important in various branches of human activities. Hydrocarbons are a significant energy resource, helium is applied in many high-tech instruments, and studies of crustal gas dynamics provide insight in the geodynamic processes and help monitor seismic and volcanic hazards. Quantitative analysis of methane and CO2 migration is important for climate change studies. Some of them are toxic (H2S, CO2, CO); radon is responsible for the major part of human radiation dose. The development of analytical techniques in gas geochemistry creates opportunities of applying this science in numerous fields. Noble gases, hydrocarbons, CO2, N2, H2, CO, and Hg vapor are measured by advanced methods in various environments and matrices including fluid inclusions. Following the “Geochemical Applications of Noble Gases”(2009), “Frontiers in Gas Geochemistry” (2013), and “Progress in the Application of Gas Geochemistry to Geothermal, Tectonic and Magmatic Studies” (2017) published as special issues of Chemical Geology and “Gas geochemistry: From conventional to unconventional domains” (2018) published as a special issue of Marine and Petroleum Geology, this volume continues the tradition of publishing papers reflecting the diversity in scope and application of gas geochemistry.
    Beschreibung: Published
    Beschreibung: 976190
    Beschreibung: 6A. Geochimica per l'ambiente e geologia medica
    Beschreibung: JCR Journal
    Schlagwort(e): geochemistry ; Atmosphere ; 03. Hydrosphere ; 04. Solid Earth
    Repository-Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Materialart: article
    Standort Signatur Erwartet Verfügbarkeit
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  • 3
    Publikationsdatum: 2021-05-17
    Beschreibung: Here we present the results of the inversion of a new geodetic data set covering the 2012 Emilia seismic sequence and the following 1 year of postseismic deformation. Modeling of the geodetic data together with the use of a catalog of 3-D relocated aftershocks allows us to constrain the rupture geometries and the coseismic and postseismic slip distributions for the two main events (Mw 6.1 and 6.0) of the sequence and to explore how these thrust events have interacted with each other. Dislocation modeling reveals that the first event ruptured a slip patch located in the center of the Middle Ferrara thrust with up to 1 m of reverse slip. The modeling of the second event, located about 15 km to the southwest, indicates a main patch with up to 60 cm of slip initiated in the deeper and flatter portion of the Mirandola thrust and progressively propagated postseismically toward the top section of the rupture plane, where most of the aftershocks and afterslip occurred. Our results also indicate that between the two main events, a third thrust segment was activated releasing a pulse of aseismic slip equivalent to a Mw 5.8 event. Coulomb stress changes suggest that the aseismic event was likely triggered by the preceding main shock and that the aseismic slip event probably brought the second fault closer to failure. Our findings show significant correlations between static stress changes and seismicity and suggest that stress interaction between earthquakes plays a significant role among continental en echelon thrusts.
    Beschreibung: Published
    Beschreibung: 4742–4766
    Beschreibung: 1T. Deformazione crostale attiva
    Beschreibung: 2T. Sorgente Sismica
    Beschreibung: 3T. Storia Sismica
    Beschreibung: JCR Journal
    Schlagwort(e): continental tectonics ; source geometry ; geodetic modeling ; coulomb stress ; 04. Solid Earth
    Repository-Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Materialart: article
    Standort Signatur Erwartet Verfügbarkeit
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  • 4
    facet.materialart.
    Unbekannt
    Geological Society
    In:  Geophysics, London, 416 pp., Geological Society, vol. 200, no. 1, pp. 78-89, pp. L18607, (ISBN 1-86239-117-3)
    Publikationsdatum: 2003
    Schlagwort(e): Textbook of geology ; Crustal deformation (cf. Earthquake precursor: deformation or strain) ; Rheology ; Tectonics ; Review article ; Structural geology ; atomic ; level ; pressure ; solution ; solid-state ; flow ; ductile ; fluids ; texture ; crust ; upper ; earth mantle ; state ; and ; perspectives
    Standort Signatur Erwartet Verfügbarkeit
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  • 5
    facet.materialart.
    Unbekannt
    Geological Society
    In:  Professional Paper, Coastal Tectonics, London, Geological Society, vol. 146, no. 231, pp. 165-178, (ISBN: 3-540-23712-7)
    Publikationsdatum: 1998
    Schlagwort(e): Crustal deformation (cf. Earthquake precursor: deformation or strain) ; Geodesy ; Krafla
    Standort Signatur Erwartet Verfügbarkeit
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  • 6
    facet.materialart.
    Unbekannt
    Geological Society
    In:  Professional Paper, Deformation Mechanisms, Rheology, and Tectonics, London, Geological Society, vol. 54, no. 231, pp. 29-39, (ISBN 1-4020-1729-4)
    Publikationsdatum: 1990
    Schlagwort(e): Rheology ; Tectonics ; Crustal deformation (cf. Earthquake precursor: deformation or strain) ; Fluids ; Rock mechanics
    Standort Signatur Erwartet Verfügbarkeit
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  • 7
    facet.materialart.
    Unbekannt
    Wiley
    In:  New York, 571 pp., Wiley, vol. 5, no. XVI:, pp. 1-14, (ISBN 0-89871-521-0)
    Publikationsdatum: 1976
    Schlagwort(e): Structural geology ; Textbook of geology ; Stress ; Geol. aspects ; Crustal deformation (cf. Earthquake precursor: deformation or strain)
    Standort Signatur Erwartet Verfügbarkeit
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