 | Edmonds, M., Kohn, S.C., Hauri, E.H., Humphreys, M.C.S., Cassidy, M. (2016) Extensive, water-rich magma reservoir beneath southern Montserrat. Lithos, 252. 216-233 doi:10.1016/j.lithos.2016.02.026 | Journal (article/letter/editorial) | | water-rich magma reservoir beneath southern Montserrat M. Edmonds, S.C. Kohn, E.H. Hauri, M.C.S. Humphreys... water-rich magma reservoir beneath southern Montserrat, LITHOS (2016), doi: 10.1016/j.lithos.2016.02... water-rich magma reservoir beneath southern Montserrat PT M. Edmonds1*, S. C. Kohn2, E. H. Hauri3...ac.uk MA Abstract South Soufriere Hills and Soufriere Hills volcanoes are two km apart at the southern...southern end of the island of Montserrat, West Indies. Their magmas are distinct geochemically, despite |  | Wallace, Paul A., De Angelis, Sarah H., Hornby, Adrian J., Kendrick, Jackie E., Clesham, Stephen, von Aulock, Felix W., Hughes, Amy, Utley, James E.P., Hirose, Takehiro, Dingwell, Donald B., Lavallée, Yan (2019) Frictional melt homogenisation during fault slip: Geochemical, textural and rheological fingerprints. Geochimica et Cosmochimica Acta, 255. 265-288 doi:10.1016/j.gca.2019.04.010 | Journal (article/letter/editorial) | | (1) an amphibole-bearing andesite (Soufrière Hills Volcano, Montserrat); (2) an amphibole-poor dacite (Santiaguito...homogenisation; Faulting; Frictional melt; Viscosity; Volcano 1. Introduction 1.1. Frictional melting Frictional...amphibole-bearing andesite from Soufrière Hills Volcano (SHV), Montserrat; (2) an amphibole-poor dacite...1; Table 1; Table 2). The sample from Soufrière Hills Volcano (SHV) was andesitic (59.6 wt.% SiO2; Fig...were all relatively Sr poor (Fig. 6, A5 and A6). Augite (clinopyroxene) and hypersthene (orthopyroxene) |  | De Angelis, S.H., Larsen, J., Coombs, M., Dunn, A., Hayden, L. (2015) Amphibole reaction rims as a record of pre-eruptive magmatic heating: An experimental approach. Earth and Planetary Science Letters, 426. 235-245 doi:10.1016/j.epsl.2015.06.051 | Journal (article/letter/editorial) | | Yukon Drive, Fairbanks 99775, United States Alaska Volcano Observatory, United States Geological Survey, 4230...exceeds the axes of the figure. Volcano abbreviations: SHV = Soufrière Hills Volcano; MSH = Mount St Helens....amphibole mantled by or replaced by pseudomorphs of augite, formed as a single continuous crystal around the...host melt. In subsequent studies on Soufrière Hills Volcano, Montserrat (e.g., Devine et al., 1998; Humphreys...Supplementary Material. Example composition of Soufrière Hills Volcano amphibole (sample SH08). Glass oxide data |  | | Journal (article/letter/editorial) | | significance of this must be established on a volcano by PT volcano basis, the similarity in behaviour of 230Th...MA concentrations have been determined for one volcano (Tofua). All have low total-alkali whole rock compositions...Vanuatu AC 2007; Melekhova et al., 2015). Yasur Volcano on Tanna Island, with its resurgent caldera and...(Pelletier et al., 1998; Calmant et al., 2003). Yasur Volcano has consistently produced magmas of basaltic trachyandesite...volcanoes, including the Soufrière Hills of Montserrat. As with Merapi, this volcano has been intensively |  | | Journal (article/letter/editorial) | | 00/DOI: http://dx.doi.org/10.2138/am-2016-5314 769 volcano (Alaska) and El Reventador (Ecuador), among others...rhyolitic matrix glass composition from Soufrière Hills volcano, Montserrat (Table 1), for comparison with the...VALIDITY OF PLAGIOCLASE-MELT THERMOMETRY 6 (a) Montserrat Unzen Shiveluch Mount St Helens Mount St Helens...Shiveluch (Blundy et al. 2006); dashes = Soufrière Hills, Montserrat (Humphreys et al. 2009); crosses = Izu...2006); Shiveluch Volcano, Kamchatka (Blundy et al. 2006); Soufrière Hills, Montserrat (Humphreys et al |  | Pallister, John S., Thornber, Carl R., Cashman, Katharine V., Clynne, Michael A., Lowers, Heather, Mandeville, Charles W., Brownfield, Isabelle K., Meeker, Gregory P. (2008) Petrology of the 2004-2006 Mount St. Helens lava dome -- implications for magmatic plumbing and eruption triggering. Professional Paper 1750_30. US Geological Survey doi:10.3133/pp175030 | Report (issue) | | A Volcano Rekindled: The Renewed Eruption of Mount St. Helens, 2004–2006 Edited by David R. Sherrod,...October 2004. During the ensuing two years, the volcano extruded more than 80×106 m3 of gas-poor, crystal-rich...magma reservoir at a depth of about 648 A Volcano Rekindled: The Renewed Eruption of Mount St. Helens...low-rate dacite eruption at a potentially explosive volcano. A fortunate combination of conditions has allowed...helicopter. USGS photo by J.S. Pallister. 650 A Volcano Rekindled: The Renewed Eruption of Mount St. Helens |  | De Angelis, Sarah H., Larsen, Jessica F., Coombs, Michelle L., Utley, James E. P., Dunn, Andrew (2020) Phase equilibrium of a high-SiO2 andesite at $$f_{{0_{2} }}$$f02 = RRO: implications for Augustine Volcano and other high-$$f_{{0_{2} }}$$f02 arc andesites. Contributions to Mineralogy and Petrology, 175 (3) doi:10.1007/s00410-020-1663-6 | Journal (article/letter/editorial) | | andesite at f02 = RRO: implications for Augustine Volcano and other high‑f02 arc andesites Sarah H. De Angelis1...62.5 wt%) from the 2006 eruption of Augustine Volcano, Alaska. Experiments were conducted under H2O...at andesitic arc volcanoes. Keywords Augustine volcano · Magma storage · Phase equilibria · Andesite ·...Angelis editor@tornilloscientific.com 1 Alaska Volcano Observatory, Geophysical Institute, University...Fairbanks, Fairbanks, AK 99775, USA 2 Alaska Volcano Observatory, U.S. Geological Survey (USGS), Anchorage |  | Scott, Jeannie A.J., Humphreys, Madeleine C.S., Mather, Tamsin A., Pyle, David M., Stock, Michael J. (2015) Insights into the behaviour of S, F, and Cl at Santiaguito Volcano, Guatemala, from apatite and glass. Lithos, 232. 375-394 doi:10.1016/j.lithos.2015.07.004 | Journal (article/letter/editorial) | | into the behaviour of S, F, and Cl at Santiaguito Volcano, Guatemala, from apatite and glass Jeannie A.J...andesites and dacites erupted from Santiaguito Volcano, Guatemala, between the 1920s and 2002. X-ray mapping...F and Cl in the magmatic liquid at Santiaguito volcano, Guatemala, commenting on the advantages and limitations...Peru (Dietterich and de Silva, 2010) and Irazú volcano, Costa Rica (Boyce and Hervig, 2009). We use the...concentrations in magmas erupted from Santiaguito volcano, and hence estimate the time-averaged gas emissions |  | | Journal (article/letter/editorial) | | textures a b s t r a c t The rhyodacite of Ruiz Peak Volcano (New Mexico, USA) is an exceptional rock because...is extremely rare, but occurs in the Ruiz Peak Volcano rhyodacite (New Mexico, USA), where one third of...and Kudo (1985). 2. Geological setting Ruiz Peak Volcano is located in the Jemez Mountains (Fig. 2), a region...(Yavuz, 2013), is close to that of diopside and augite (Table 4): (Ca0.84Fe2+0.09Na0.04Mn0.02)(Mg0.87Fe3+0...similar to those proposed for the Soufrière Hills volcano, Montserrat (Couch et al., 2001) and for the |  | Pleše, P., Higgins, M. D., Baker, D. R., Lanzafame, G., Kudrna Prašek, M., Mancini, L., Rooyakkers, S. M. (2019) Production and detachment of oxide crystal shells on bubble walls during experimental vesiculation of andesitic magmas. Contributions to Mineralogy and Petrology, 174 (3) doi:10.1007/s00410-019-1556-8 | Journal (article/letter/editorial) | | and oxides in basalt and andesite from Soufrière Hills volcano and revealed single-point bubble–oxide...plagioclase ( An67; Stewart et al. 1966), clinopyroxene (augite; Baker and Eggler 1987) or amphibole (magnesio-hornblende;...falls within the 40–140 m s−1 ascent rates of Soufrière Hills late 1997 explosive eruptions (Druitt et al...of natural textures in granophyres from Krafla volcano (Iceland) that we infer were formed by a process...granophyre xenoliths, KR-7 and KR-19, from Krafla volcano (Iceland) were examined. The samples are derived |  | | Journal (article/letter/editorial) | | eruptive fissures on the southern flank of the volcano from the base of the SE crater down to the Mts...olivine (Fo70−79 ) and Ti-magnetite as minor phases. Augite and plagioclase are generally euhedral with their...frequently poikilitic and enclose plagioclase, augite and scarcer olivine (Fig. 1c). Crystals optically...fracture systems on the southern flank of the volcano (Clocchiatti et al., 2004; Metrich et al., 2004;...eruptive fracture on the southern flank of the volcano (opened at 2100 m a.s.l.; Bonaccorso et al., 2002; |  | | Journal (article/letter/editorial) | | in olivine-hosted melt inclusions from Kilauea Volcano, Hawaii, it can be demonstrated that lithium behaves...volatile in basaltic melt erupted from Kilauea Volcano, with vapor-melt partition coefficients <0.1. Degassing...decompression, fractionation and degassing. Kilauea Volcano, Hawaii, has oft been cited as a terrestrial analogue...pyroxenes (augite and enstatite) from Merapi (Indonesia), Karymsky (Russia) and South Soufriere Hills (Montserrat...Russia), Merapi (Indonesia) and South Soufriere Hills (Montserrat, West Indies) and have Mg numbers of 72 to |  | Lenhardt, Nils, Eriksson, Patrick G., Catuneanu, Octavian, Bumby, Adam J. (2012) Nature of and controls on volcanism in the ca. 2.32–2.06Ga Pretoria Group, Transvaal Supergroup, Kaapvaal Craton, South Africa. Precambrian Research, 214. 106-123 doi:10.1016/j.precamres.2011.09.012 | Journal (article/letter/editorial) | | quartzose sandstone formations characterize the volcano-sedimentary succession of the Pretoria Group (Schreiber...Quartzite Fm (quartzite) Chuniespoort Group Asbestos Hills Subgroup Masoke Fm (ironstone, ferruginous chert)...and water (other than normal streamflow) from a volcano (cf., Smith and Lowe, 1991). Non-volcaniclastic...intersertal and glomeroporphyritic. Subhedral prismatic augite crystals (up to 0.75 mm long) are typically intergrown...long) and glomerophyritic clusters of stubby Ti–augite phenocrysts (0.5 mm in size) occur as minor constituents |  | Humbert, Fabien, de Kock, Michiel O., Altermann, Wladyslaw, Elburg, Marlina A., Lenhardt, Nils, Smith, Albertus J.B., Masango, Samson (2018) Petrology, physical volcanology and geochemistry of a Paleoproterozoic large igneous province: The Hekpoort Formation in the southern Transvaal sub-basin (Kaapvaal craton) Precambrian Research, 315. 232-256 doi:10.1016/j.precamres.2018.07.022 | Journal (article/letter/editorial) | | magmatic minerals are clinopyroxene (pigeonite, augite and diopside), and rarely plagioclase (labradorite)...clinopyroxenes (Fig. 6c to f), which are mainly Mg-rich augite, together with diopside ± pigeonite in some samples...pigeonite and augite, while augite or diopside occur in the more differentiated samples. Augite, when present...geothermometry based on the couple pigeonite – augite indicate a crystallization temperature ~1200 -1000°C...diagrams at 5kb by Lindsley (1983). Similarly, the augite rims crystalized at a temperature of ~1100 - 800°C |  | Lucci, Federico, Carrasco-Núñez, Gerardo, Rossetti, Federico, Theye, Thomas, White, John Charles, Urbani, Stefano, Azizi, Hossein, Asahara, Yoshihiro, Giordano, Guido (2020) Anatomy of the magmatic plumbing system of Los Humeros Caldera (Mexico): implications for geothermal systems. Solid Earth, 11 (1). 125-159 doi:10.5194/se-11-125-2020 | Journal (article/letter/editorial) | | requires the “unpacking” of the stratigraphy of a volcano by the identification of the various “magma chambers”...03–0.06, and it can be classified as a Ti-rich augite (Wo41−48 En25−42 Fs14−32 ). Cpx2 shows a Mg# of...06, and it can be classified as a diopside-rich augite (Wo11−48 En36−64 Fs9−32 ). Cpx3 shows a Mg# of...07, and it can be classified as a diopside-rich augite (Wo12−49 En14−57 Fs8−62 ). The composition of Cpx3...Q) of 0.01–0.06, corresponding to diopside-rich augite (Wo12−46 En18−60 Fs11−38 ). The composition of |  | | Journal (article/letter/editorial) | | products of the 1914-1915 eruption of Sakurajima Volcano, Kyushu, Japan Keisuke NAKAMURA Graduate School...products of the 1914 − 1915 eruption of Sakurajima Volcano into four types according to vesicularity and the... Index map showing the location of Sakurajima Volcano and the distribution of Taisho Lava flows and vents...The 1914 − 1915 (Taisho) eruption of Sakurajima Volcano, Kyushu, Japan, represents the largest eruption...SETTING AND THE 1914-1915 ERUPTION OF SAKURAJIMA VOLCANO Sakurajima is a volcanic island located on the |  | | Book | | Design: Wiley Cover Image: View into the Caldeira Volcano of the ocean island of Faial, Azores; © Christoph...are known to carry valuable information about volcano plumbing systems and the lithosphere in which they...information about the physical and chemical structure of volcano plumbing systems. If on the one hand they do not...and hydrous melts coexisting with plagioclase, augite, and olivine or low‐Ca pyroxene from 1 atm to 8...primitive high‐alumina basalts from Medicine Lake volcano, northern California. Contributions to Mineralogy |  | Sun, Pu, Niu, Yaoling, Guo, Pengyuan, Cui, Huixia, Ye, Lei, Liu, Jinju (2018) The evolution and ascent paths of mantle xenolith-bearing magma: Observations and insights from Cenozoic basalts in Southeast China. Lithos, 310. 171-181 doi:10.1016/j.lithos.2018.04.015 | Journal (article/letter/editorial) | | Cr-diopside (high SiO2, Cr2O3 and Mg#), but similar to Al-augite crystallized at high pressures (Irving and Frey...En35–53, Fs9–19, which are classified as diopside and augite (Fig. 6a). In addition, the composition for a single...thermobarometer Wo (a) 50 diopside 60 Fs En 70 augite PYXD07I (b) wo40 En47 Fs13 Mg # 78 wo40 En47...recorded by melt inclusions from Mount St Helens volcano. Geology 33, 793–796. Blundy, J.D., Robinson, J...andesitic scoria from the 1995 eruptions of Ruapehu Volcano, New Zealand. Journal of Petrology 43, 2279–2303 |  | | Journal (article/letter/editorial) | | Emeritus, United States Geological Survey, Cascades Volcano Observatory, 1300 Cardinal Court #1, Vancouver...halogen degassing to be formulated for Kīlauea Volcano, Hawai i. Volcanic gases emitted during 2004–2005...particles (Delmelle et al., 2007). At Kīlauea Volcano, F becomes highly enriched in residual melts, and...halogen degassing at Kīlauea Volcano. 2. Geological setting Kīlauea Volcano is the youngest and most active...active subaerial volcano of the Hawaiian Volcanic Chain. Kīlauea makes up the south-eastern portion of |  | Andrade, S. Daniel, Müller, Anais Vásconez, Vasconez, Francisco J., Beate, Bernardo, Aguilar, Jorge, Santamaría, Santiago (2021) Pululahua dome complex, Ecuador: eruptive history, total magma output and potential hazards. Journal of South American Earth Sciences, 106. 103046pp. doi:10.1016/j.jsames.2020.103046 | Journal (article/letter/editorial) | | Pululahua is considered a potentially active volcano since the work of Hall (1977) and its first hazard...to better understand the hazards posed by this volcano and to aid stakeholders with land-use planning...Formation >1.3±0.2 Ma, Ego, 1995) underlie the volcano to the east (Fig. 2). An about 60 m thick volcanic...an indurated volcanic soil covers the Casitahua volcano to the south of Pululahua and blankets most of...meters of Cangahua on top of the extinct Casitahua volcano (6 km south of Pululahua), the Cangahua ash coverage |  | | Journal (article/letter/editorial) | | forsteritic olivine, åkermanite, nepheline, analcime, Ti-augite, spinel, and SC minor amounts of glass, with...calcite. Tephrites and related rocks are rich in Ti-augite, magnetite, plagioclase, alkali feldspar and leucite/analcime...amounts of forsteritic olivine, MA besides Ti-augite, plagioclase and nepheline. Phonolites are dominated...group minerals (sodalite-hauyne(ss); SGM), aegirine-augite, Ti-bearing TE D andradite–schorlomite(ss),...contain variable amounts of alkali feldspar, aegirine augite, AC CE P Ti-bearing andradite–schorlomite(ss) |  | | Journal (article/letter/editorial) | | t h o s Dynamics of magma supply at Mt. Etna volcano (Southern Italy) as revealed by textural and compositional...Mount Etna volcano 2.1. Geology and volcanology Mount Etna is a 3340-m-high complex volcano, extending...from summit craters or parasitic vents on the volcano flanks, often accompanied by strombolian ejections...developed at the intersection of the two main volcano-tectonic structures (the South Rift and NE Rift;...magma coming from these reservoirs occur on the volcano flanks, and are generally acknowledged to be more |  | | Journal (article/letter/editorial) | | phases. However, equilibrium liquid compositions of augite and plagioclase are determined to be consistent...olivine. Pigeonite is limited to extreme margins of augite and small crystals near the margins of partially...The Al/Ti ratio decreases from 2.4:1 in augite to ~2:1 in augite rims and pigeonite crystals, and the absolute...decreases from core to rim in individual crystals. Augite REE profiles are subparallel and convex upward...CI Chondrite Normalized) (Fig. 8). Pigeonite and augite crystals are LREE depleted and have steep profiles |  | Candeias, Carla, Ávila, Paula Freire, Alves, Célia, Gama, Carla, Sequeira, Cristina, da Silva, Eduardo Ferreira, Rocha, Fernando (2021) Dust Characterization and Its Potential Impact during the 2014–2015 Fogo Volcano Eruption (Cape Verde) Minerals, 11 (11) 1275 doi:10.3390/min11111275 | Journal (article/letter/editorial) | | Its Potential Impact during the 2014–2015 Fogo Volcano Eruption (Cape Verde) Carla Candeias 1, * , Paula...Its Potential Impact during the 2014–2015 Fogo Volcano Eruption (Cape Verde). Minerals 2021, 11, 1275...(Fogo Island) is the youngest and most active volcano of Cape Verde. The last eruption occurred in 2014–2015...more populated villages and farthest from the volcano. Academic Editor: Emily Sarver Received: 30 October...2021 Accepted: 16 November 2021 Keywords: Fogo volcano; Sahara dust; outdoor dust; environmental impact; |  | Iezzi, Gianluca, Mollo, Silvio, Torresi, Guglielmo, Ventura, Guido, Cavallo, Andrea, Scarlato, Piergiorgio (2011) Experimental solidification of an andesitic melt by cooling. Chemical Geology, 283 (3) 261-273 doi:10.1016/j.chemgeo.2011.01.024 | Journal (article/letter/editorial) | | analyses reveal compositions ranging from pigeonite to augite. Glass compositions show large variations as a...of plagioclase and amphibole from Soufrière Hills Volcano, Montserrat: evidence for dynamic crystallizationtextural...from recently erupted andesitic volcanic rocks, Montserrat. Journal of Volcanology and Geothermal Research...Shukuno, H., 2003. Andesites and dacites from Daisen Volcano, Japan: partial-to-total remelting of an andesite...molten basalts from the Piton de la Fournaise volcano (La Réunion island). Chemical Geology 256, 241–250 |
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