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  • Articles  (2)
  • Open Access-Papers  (2)
  • 04. Solid Earth::04.06. Seismology::04.06.99. General or miscellaneous  (1)
  • 04. Solid Earth::04.08. Volcanology::04.08.03. Magmas  (1)
  • Istituto Nazionale di Geofisica e Vulcanologia  (1)
  • VERSITA  (1)
  • American Chemical Society
  • BioMed Central
  • Nature Publishing Group
  • 2020-2023
  • 2010-2014  (2)
  • 1990-1994
  • 1945-1949
  • 2010  (2)
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  • Articles  (2)
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  • Open Access-Papers  (2)
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  • 2020-2023
  • 2010-2014  (2)
  • 1990-1994
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  • 1
    Publication Date: 2017-04-04
    Description: We experimentally investigate the major and trace elements behavior during the interaction between two partially molten crustal rocks (meta-anorthosite and metapelite) and a basaltic melt at 0.5-0.8 GPa. Results show that a hybrid melt is formed at the basalt-crust contact, where plagioclase crystallizes. This contact layer is enriched in trace elements which are incompatible with plagioclase crystals. Under these conditions, the trace element diffusion coefficients are one order of magnitude larger than those expected. Moreover, the HFSE diffusivity in the hybrid melt is surprisingly higher than the REE one. Such a feature is related to the plagioclase crystallization that changes the trace elements liquid-liquid partitioning (i.e. diffusivity) over a transient equilibrium that will persist as long as the crystal growth proceeds. These experiments suggests that the behaviour of the trace elements is strongly dependent on the crystallization at the magma-crust interface. Diffusive processes like those investigated can be invoked to explain some unusual chemical features of contaminated magmatic suites.
    Description: Published
    Description: 188-198
    Description: 2.3. TTC - Laboratori di chimica e fisica delle rocce
    Description: N/A or not JCR
    Description: reserved
    Keywords: contamination ; trace element diffusion ; basalt-crust interaction ; 04. Solid Earth::04.08. Volcanology::04.08.03. Magmas
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 2
    Publication Date: 2017-04-04
    Description: In this work we give information on the characteristics of the Italian National Seismic Network and on the seismicity and main seismic sequences in Italy during 2008. During that year the Italian National Seismic Network localized 6969 events in Italy and neighboring areas, with an apparent minimum magnitude of completeness ML of 2.1. The entire Italian Seismic Bulletin 2008 was obtained using signals from 279 stations belonging to the INGV Italian National Seismic Network and to other local and regional networks, all with real-time connection to the Centro Nazionale Terremoti in Rome. Some evidences confirm the presence of a certain percentage of events due to anthropic activity (explosions), erroneously interpreted as earthquakes of lowmagnitude.We identify 14 areas with the presence of explosions due to surfacemining activity, generating events with ML not exceeding 2.2.
    Description: Published
    Description: 1-47
    Description: 5.2. TTC - Banche dati di sismologia strumentale
    Description: N/A or not JCR
    Description: open
    Keywords: Italian seismicity ; Quarry blasts ; Seismic sequences ; Italian Seismic Bulletin ; 04. Solid Earth::04.06. Seismology::04.06.99. General or miscellaneous
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
    Location Call Number Expected Availability
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