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  • 04. Solid Earth::04.08. Volcanology::04.08.99. General or miscellaneous  (2)
  • Punta delle Pietre Nere  (1)
  • AMI  (2)
  • American Institute of Physics
Collection
Keywords
Publisher
Years
  • 1
    facet.materialart.
    Unknown
    I minerali delle vulcaniti di punta delle pietre nere nel gargano (Lésina, Foggia, Puglia) (2008)
    AMI
    Details
    Publication Date: 2017-04-04
    Description: The article informs about the current status of conservation of the vulcanite area at Punta delle Pietre Nere, Lésina, Foggia, Apulia, Italy, the sole important mineralogical locality of this region. It also deeply informs on the relevant geology and tectonic, describing the minerals of the little coastal deposit of igneous rocks, after the observation of the samples found on the field as well as drawing on the bibliography. The mineral species occurring are: aegirine, albite, analcime, anorthoclase, apatite-(CaOH), augite, calcite, diopside, forsterite, hematite, “hornblend”, kaersutite, magnesiohastingsite, magnetite, “mica”, natrolite, nepheline, pyrite, sanidine, sodalite, and titanite.
    Description: Published
    Description: 227-244
    Description: 3.5. Geologia e storia dei sistemi vulcanici
    Description: N/A or not JCR
    Description: open
    Keywords: vulcaniti ; Punta delle Pietre Nere ; 04. Solid Earth::04.04. Geology::04.04.99. General or miscellaneous ; 04. Solid Earth::04.04. Geology::04.04.05. Mineralogy and petrology
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 2
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    Unknown
    Geologia - Inquadramento Geologico e Storia Eruttiva (2012)
    AMI
    Details
    Publication Date: 2017-04-04
    Description: In the framework of the Aeolian Volcanic District evolution, the chapter provides the reconstruction of the Vulcano Island history through the subdivision in eight Eruptive Epochs.
    Description: Published
    Description: 33-47
    Description: 3.5. Geologia e storia dei vulcani ed evoluzione dei magmi
    Description: open
    Keywords: Vulcano history ; volcanic successions ; eruptive epochs ; Aeolian archipelago ; 04. Solid Earth::04.08. Volcanology::04.08.99. General or miscellaneous
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: book chapter
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  • 3
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    Unknown
    An experimental study on the pressure dependence of viscosity in silicate melts (2010)
    American Institute of Physics
    Details
    Publication Date: 2017-04-04
    Description: The effect of pressure on melt viscosity was investigated for five compositions along the join An(CaAl2Si2O8)–Di(CaMgSi2O6) and four alkali silicates containing lithium, sodium, and potassium in constant ratio of ∼ 1:1:1, but alkali-silica ratios are varying. The experiments were performed in an internally heated gas pressure vessel at pressures from 50 to 400 MPa in the viscosity range from 108 to 1011.5 Pa⋅s using parallel plate viscometry. The polymerized An composition shows a negative pressure dependence of viscosity while the other, more depolymerized compositions of the join An–Di have neutral to positive pressure coefficients. The alkali silicates display neutral to slightly positive pressure coefficients for melt viscosity. These findings in the high viscosity range of 108–1011 Pa⋅s, where pressure appears to be more efficient than in low viscous melts at high temperature, are consistent with previous results on the viscosity of polymerized to depolymerized melts in the system NaAlSi3O8–CaMgSi2O6 by Behrens and Schulze [ H. Behrens and F. Schulze, Am. Mineral. 88, 1351 (2003) ]. Thus we confirm that the sign of the pressure coefficient for viscosity is mainly related to the degree of melt polymerization in silicate and aluminosilicate melts.
    Description: DFG Grant n.°BE1720/9
    Description: Published
    Description: 044504-14
    Description: 2.3. TTC - Laboratori di chimica e fisica delle rocce
    Description: JCR Journal
    Description: open
    Keywords: viscosity ; polymerisation ; anorthite ; diopside ; 04. Solid Earth::04.08. Volcanology::04.08.99. General or miscellaneous
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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