Speculation on eruption frequency and magmatic processes
Eruption cycles and magmatic processes at a reawakening volcano, Mt Taranaki, New Zealand : a thesis presented in partial fulfilment of the requirements for the degree of Doctor of Philosophy in Earth Science at Massey University, Palmerston North, New Zealand
... resulting eruption and hazard forecasts have remained difficult to ...combined eruption record produces the most complete record for ...true eruption frequency from the ...
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Similarities and differences in the historical records of lava dome-building volcanoes: implications for understanding magmatic processes and eruption forecasting
... Consequently, the historical records of some dome-building volcanoes 593 exhibit patterns of eruptive activity that are characteristic of both regimes: they 594 exhibit persistent be[r] ...
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The historic magmatic-hydrothermal eruption of the Breccia di Commenda, Vulcano, Italy
... The presence of patinae on the fresh juvenile glass shards of Phase 2 deposits suggests the occurrence of syn- or post-depositional alteration processes. These patinae are formed by microcrystalline smectites and ...
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The historic magmatic-hydrothermal eruption of the Breccia di Commenda, Vulcano, Italy
... The presence of patinae on the fresh juvenile glass shards of Phase 2 deposits suggests the occurrence of syn- or post-depositional alteration processes. These patinae are formed by microcrystalline smectites and ...
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Petrology and geochemistry of the recent eruption history at Rabaul Caldera, Papua New Guinea : implications for magmatic processes and recurring volcanic activity
... This research was conducted at the Department of Geology, Australian National University, Canberra, Australia between July 2001 to July 2003.. Financial support was provided [r] ...
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Fluid inclusion evidence of second immiscibility within magmatic fluids (79AD eruption of Mt Vesuvius)
... Processes of magmatic immiscibility (melt fluid, fluid-fluid, fluid-gas) are clearly recorded by fluid inclusion studies (Roedder, 1992). Evidence for direct evolution of a hypersaline fluid phase from a ...
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InSAR Observations of Active Magmatic and Tectonic Processes in the East African Rift
... This chapter has previously been published in Earth and Planetary Science Letters. Chapter 3 builds on this work at Corbetti, providing the first observations of a prolonged magma reservoir growth episode in the East ...
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Understanding magmatic processes and seismo-volcano source localization with multicomponent seismic arrays
... initial values of STA being bigger than the noise energy. The inflection point indicates the first arrival waves. This is around 418 s for NUBI and 417 s for WUBI. The STA curve indicates well-defined arrivals at both ...
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Insights on Hydrothermal-Magmatic Interactions and Eruptive Processes at Poás Volcano (Costa Rica) From High-Frequency Gas Monitoring and Drone Measurements
... assessment. Processes leading to phreatic and phreatomagmatic eruptions remain poorly understood, inhibiting effective eruption ...phreatomagmatic eruption was the largest eruption at Poás ...
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The 1997 phreatic eruption of Akita Yakeyama volcano, northeast Japan: Insight into the hydrothermal processes
... 1997 eruption but had been ejected by previous ...the eruption was rich in ...high-temperature magmatic gases that have been estimated as the source of Cl-SO 4 type thermal ...Such magmatic ...
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Preparatory and precursory processes leading up to the 2014 phreatic eruption of Mount Ontake, Japan
... phreatic eruption of Mount Ontake, Japan, on 27 September ...of magmatic – hydrothermal fluids into the craters. The frequency of VT earthquakes gradually increased from 6 September 2014 and reached ...
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Geochemical and isotopic insights into the assembly, evolution and disruption of a magmatic plumbing system before and after a cataclysmic caldera-collapse eruption at Ischia volcano (Italy).
... differentiation processes at deep and shallow depths, such as replenishment, fractional crystallization, mixing and ...oldest eruption studied (Sant’Angelo) a quasi-homogeneous magma was extruded (M1 magma, ...
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A cascade of magmatic events during the assembly and eruption of a super-sized magma body
... 10 Selected trace element compositional data of crystals from Oruanui juvenile mafic. 1539 [r] ...
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Repeated magmatic intrusions at El Hierro Island following the 2011–2012 submarine eruption
... The high spatial density of InSAR data in both ascending and descending modes and the continuous three-dimensional GPS measurements have allowed us to obtain a comprehensive overview of the ground displacement which ...
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Flegrei (Italy) highlight new eruption processes at calderas
... A2t interlayered with the upper part of U1 The 2 eruptions begin almost simultaneously Additional references Di Vito, M.A., Arienzo, I., Braia, G., Civetta, L., D’Antonio, M., Di Renzo, V., and Orsi, G., 2011, The Averno ...
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Eruption of magmatic foams on the moon:formation in the waning stages of dike emplacement events as an explanation of “irregular mare patches”
... We estimate the thickness by considering the likely duration of the hawaiian and strombolian phases of activity. The volume of the Ina shield can be estimated from the topographic data in Garry et al. (2012) and Qiao et ...
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Thallium elemental behavior and stable isotope fractionation during magmatic processes
... igneous processes alone has not been systematically ...throughout magmatic evolution, mirroring elements such as Rb, Cs, and ...by magmatic processes coupled with its extreme sensitivity for ...
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Thallium elemental behavior and stable isotope fractionation during magmatic processes.
... igneous processes alone has not been systematically ...throughout magmatic evolution, mirroring elements such as Rb, Cs, and ...by magmatic processes coupled with its extreme sensitivity for ...
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Assessment of magmatic versus post-magmatic processes in the Mueilha rare-metal granite, Eastern Desert of Egypt, Arabian-Nubian Shield
... final magmatic stage of the evolution of the Arabian-Nubian ...high-level magmatic cupola into metamorphic country ...transitional magmatic–hydrothermal ...
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Near-vent processes of the 273 ka Poris eruption (Tenerife)
... The proximal Poris succession records an opening Plinian phase, followed by the generation of a pyroclastic density current (PDC) that was partly blocked by near- vent topography. The upper part of the current surmounted ...
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