Results 151 to 160 of about 22,175 (200)

Lithium systematics in the Krafla volcanic system: comparison between surface rhyolites and felsic cuttings from the Iceland deep drilling project -1 (IDDP-1). [PDF]

Contrib Mineral Petrol
Cortes-Calderon EA, Ellis BS, Magna T, Tavazzani L, Ulmer P.   +4 more
europepmc   +1 more source

Lithological discrimination based on Landsat-9 OLI sensor and field observation data: The bana an-orogenic volcano-plutonic ring complex, West Cameroon line. [PDF]

Heliyon
Mohamed R, Tamen J, Ousmanou S, Yangouo FK, Nkouathio D.   +4 more
europepmc   +1 more source

Anatomy of the magmatic-hydrothermal system beneath Uturuncu volcano, Bolivia, by joint seismological and petrophysical analysis. [PDF]

Proc Natl Acad Sci U S A
Liu Y, Kendall JM, Zhang H, Blundy JD, Pritchard ME, Hudson T, MacQueen P.   +6 more
europepmc   +1 more source

Tephra fallout hazard assessment for a hydrovolcanic eruptive scenario in Mayotte. [PDF]

Sci Rep
Michaud-Dubuy A, Komorowski JC, Lacombe T, Gurioli L.   +3 more
europepmc   +1 more source

Bubble ascent and rupture in mud volcanoes. [PDF]

R Soc Open Sci
Rudolph ML, Sahu KC, Savva N, Szilágyi A, Hórvölgyi Z, Márton P, Tajti Á, Szép K, Balog B, Tripathi MK, Manikantan H, Forray FL, Manga M, Hantz P.   +13 more
europepmc   +1 more source

Source dynamics of Ruapehu's 2022 volcanic unrest: insights from drumbeat seismicity, tremor, and crater lake signals. [PDF]

Bull Volcanol
Bramwell LA, Illsley-Kemp F, Hughes EC, Butcher S, Lamb OD, Behr Y.   +5 more
europepmc   +1 more source

The Viscous Behavior of Tarumai dome lava and Oshima lava

The Viscous Behavior of Tarumai dome lava and Oshima lava
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Nonlinear dynamics of lava dome extrusion

Nature, 1999
During the eruption of the Soufriere Hills volcano, Montserrat (1995–99), and several other dome eruptions, shallow seismicity, short-lived explosive eruptions and ground deformation patterns indicating large overpressures (of several megapascals) in the uppermost few hundred metres of the volcanic conduit have been observed.
Melnik, OE, Sparks, RSJ
openaire   +3 more sources

Degassing processes during lava dome growth: Insights from Santiaguito lava dome, Guatemala

Journal of Volcanology and Geothermal Research, 2011
Abstract Eruptions of intermediate magma may be explosive or effusive. The development of open system degassing has been proposed as a pre-requisite for effusion of intermediate magma, however processes leading to open system degassing are poorly understood.
A.S. Peter Holland, I. Matthew Watson, Jeremy C. Phillips, Luca Caricchi, Marika P. Dalton   +4 more
openaire   +1 more source

Phenocryst fragments in rhyolitic lavas and lava domes

Journal of Volcanology and Geothermal Research, 2003
Although rhyolitic lavas and lava domes are characterised by evenly porphyritic textures, not all the phenocrysts are whole euhedra. We undertook image analysis of 46 rhyolitic lava and lava dome samples to determine the abundance and shape of quartz and feldspar phenocryst fragments. Phenocryst fragments were identified in nearly all samples.
S.R. Allen, J. McPhie
openaire   +1 more source