 | 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....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...were taken from 2008 samples from Soufrière Hills Volcano, Montserrat. The naturally occurring magnesio-hornblendes |  | | 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...clinopyroxene, orthopyroxene and (more rarely) pigeonite. Amphibole (as a phenocryst phase) has yet to...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 |  | 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 |  | 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) | | primary magmatic minerals are clinopyroxene (pigeonite, augite and diopside), and rarely plagioclase...mainly Mg-rich augite, together with diopside ± pigeonite in some samples (Fig. 7a). Samples with the highest...highest Mg# (i.e., Mg# > 60; see section 5) contain pigeonite and augite, while augite or diopside occur in...rims. The geothermometry based on the couple pigeonite – augite indicate a crystallization temperature...133-166. Altermann, W., Lenhardt, N. 2012. The volcano-sedimentary succession of the Archean Sodium Group |  | | Journal (article/letter/editorial) | | crystals and as mantles (up to 0.3 mm) on olivine. Pigeonite is limited to extreme margins of augite and small...from 2.4:1 in augite to ~2:1 in augite rims and pigeonite crystals, and the absolute abundance of Al2O3...√[SmCN·GdCN], “CN” = CI Chondrite Normalized) (Fig. 8). Pigeonite and augite crystals are LREE depleted and have...user on 03 September 2019 A12 Ilm, Ol, and Pigeonite suites Olivine Ilmenite A14 high-Al and Ol. vitrophyre...19 Augite average 2s 13 Phase Analysis n= Pigeonite average 2s 5 Average compositions of pyroxene |  | | 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 |  | 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) | | SEM-EDS analyses reveal compositions ranging from pigeonite to augite. Glass compositions show large variations...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 |  | | Journal (article/letter/editorial) | | measurements in lavas and tuff from Mt Taranaki (Egmont volcano), New Zealand. Bulletin of Volcanology 58, 194–204...of plagioclase and amphibole from Soufrière Hills Volcano, Montserrat: evidence for dynamic crystallization–textural...constitutional supercooling from orthopyroxene – pigeonite – plagioclase relations in the Borgmassivet suite...Magma solidification processes beneath Kilauea volcano, Hawaii: a quantitative textural and geochemical |  | | Journal (article/letter/editorial) | | from the Kameni Islands of Santorini and Rábida Volcano in the Galápagos. Crystals in samples of deep-sourced...augite is bright blue. Low-Ca pyroxene (inverted pigeonite) is a mottled grey. The cores of the plagioclase...deeper levels in the intrusion. Although all pigeonite in the cumulate stratigraphy of the Skaergaard...intrusion is fully inverted to orthopyroxene, those pigeonite primocrysts in the gabbroic xenoliths entrained...dacitic lavas erupted in the centre of the Santorini Volcano caldera, which formed during the Minoan eruption |  | | Book | | Mineralogical Society of America (Fig. 6.6), Montserrat Volcano Observatory (Fig. 7.4a and the front cover...to Eric Tomme and Jonathan Stone for providing Montserrat photographs. Other images are from my own collection...previously erupted products the hazard presented by a volcano to surrounding communities; • investigating magma...chamber that originally lay 5 km below an active volcano (but whose contents – or erupted products – are...LCP, low-Ca pyroxene, including enstatite and pigeonite (see Box 2.1); plag, plagioclase; calcic plag |  | Hallis, L.J., Huss, G.R., Nagashima, K., Taylor, G.J., Stöffler, D., Smith, C.L., Lee, M.R. (2017) Effects of shock and Martian alteration on Tissint hydrogen isotope ratios and water content. Geochimica et Cosmochimica Acta, 200. 280-294 doi:10.1016/j.gca.2016.12.035 | Journal (article/letter/editorial) | | Water-rich amphibole has been reported in Tissint pigeonite-hosted melt inclusions (Williams et al., 2014)...water-rich amphibole within early-crystallised pigeonite, indicating a parental-melt H2O abundance of 2500-5600...2016). Therefore, the presence of amphibole in pigeonite may indicate the addition of crustal groundwater/ice...S. J., Fallick A. E. Degassing at the Soufrière Hills volcano, Monserrat, recorded in matrix glass compositions |  | Melekhova, Elena, Blundy, Jon, Martin, Rita, Arculus, Richard, Pichavant, Michel (2017) Petrological and experimental evidence for differentiation of water-rich magmas beneath St. Kitts, Lesser Antilles. Contributions to Mineralogy and Petrology, 172 (11) doi:10.1007/s00410-017-1416-3 | Journal (article/letter/editorial) | | phenocrysts from lavas (a). A single experimental pigeonite with high Ca is labelled Contrib Mineral Petrol...to augite. In Run2#3, diopside coexists with pigeonite. Clinopyroxene is high in A l2O3 (AlIV from...6–9 wt% H 2O in andesites from Soufrière Hills Volcano, Montserrat, on the basis of H2O dissolved in...21(4):743–799 Baker PE (1968) Petrology of Mt. Misery volcano, St. Kitts, West Indies. Lithos 1(2):124–150 Baker...(1984) Geochemical evolution of St Kitts and Montserrat, Lesser Antilles. J Geol Soc 141(3):401–411 Beard |  | | Journal (article/letter/editorial) | | pyroxene (most are orthopyroxene with a few pigeonite), hornblende, FIGURE 3 Phase diagram (pressure–temperature)...crystallisation experiments on a dacitic melt from Pinatubo volcano, the experimental product of which includes ternary...degassinginduced crystallization at Soufrière Hills volcano, Montserrat. Journal of Petrology, 44, 1477–1502 |  | | Report (issue) | | number 452. COVER Summit eruptive vent of Kīlauea Volcano and the southwest flank of Mauna Loa, as seen from...on the right side of the image is the Hawaiian Volcano Observatory and the Jaggar Museum. USGS photograph... the USGS took over operation of the Hawaiian Volcano Observatory (HVO), renewing its commitment to the...in 1912 at the edge of the caldera of Kīlauea Volcano, HVO was the vision of Thomas A. Jaggar, Jr., a...of life. In fact, Jaggar and the USGS expanded volcano monitoring in the 1920s, establishing an observatory |  | | Report (issue) | | number 452. COVER Summit eruptive vent of Kīlauea Volcano and the southwest flank of Mauna Loa, as seen from...on the right side of the image is the Hawaiian Volcano Observatory and the Jaggar Museum. USGS photograph... the USGS took over operation of the Hawaiian Volcano Observatory (HVO), renewing its commitment to the...in 1912 at the edge of the caldera of Kīlauea Volcano, HVO was the vision of Thomas A. Jaggar, Jr., a...of life. In fact, Jaggar and the USGS expanded volcano monitoring in the 1920s, establishing an observatory |  | | Report (issue) | | number 452. COVER Summit eruptive vent of Kīlauea Volcano and the southwest flank of Mauna Loa, as seen from...on the right side of the image is the Hawaiian Volcano Observatory and the Jaggar Museum. USGS photograph... the USGS took over operation of the Hawaiian Volcano Observatory (HVO), renewing its commitment to the...in 1912 at the edge of the caldera of Kīlauea Volcano, HVO was the vision of Thomas A. Jaggar, Jr., a...of life. In fact, Jaggar and the USGS expanded volcano monitoring in the 1920s, establishing an observatory |  | | Report (issue) | | number 452. COVER Summit eruptive vent of Kīlauea Volcano and the southwest flank of Mauna Loa, as seen from...on the right side of the image is the Hawaiian Volcano Observatory and the Jaggar Museum. USGS photograph... the USGS took over operation of the Hawaiian Volcano Observatory (HVO), renewing its commitment to the...in 1912 at the edge of the caldera of Kīlauea Volcano, HVO was the vision of Thomas A. Jaggar, Jr., a...of life. In fact, Jaggar and the USGS expanded volcano monitoring in the 1920s, establishing an observatory |  | | Report (issue) | | number 452. COVER Summit eruptive vent of Kīlauea Volcano and the southwest flank of Mauna Loa, as seen from...on the right side of the image is the Hawaiian Volcano Observatory and the Jaggar Museum. USGS photograph... the USGS took over operation of the Hawaiian Volcano Observatory (HVO), renewing its commitment to the...in 1912 at the edge of the caldera of Kīlauea Volcano, HVO was the vision of Thomas A. Jaggar, Jr., a...of life. In fact, Jaggar and the USGS expanded volcano monitoring in the 1920s, establishing an observatory |  | | Report (issue) | | number 452. COVER Summit eruptive vent of Kīlauea Volcano and the southwest flank of Mauna Loa, as seen from...on the right side of the image is the Hawaiian Volcano Observatory and the Jaggar Museum. USGS photograph... the USGS took over operation of the Hawaiian Volcano Observatory (HVO), renewing its commitment to the...in 1912 at the edge of the caldera of Kīlauea Volcano, HVO was the vision of Thomas A. Jaggar, Jr., a...of life. In fact, Jaggar and the USGS expanded volcano monitoring in the 1920s, establishing an observatory |  | | Report (issue) | | number 452. COVER Summit eruptive vent of Kīlauea Volcano and the southwest flank of Mauna Loa, as seen from...on the right side of the image is the Hawaiian Volcano Observatory and the Jaggar Museum. USGS photograph... the USGS took over operation of the Hawaiian Volcano Observatory (HVO), renewing its commitment to the...in 1912 at the edge of the caldera of Kīlauea Volcano, HVO was the vision of Thomas A. Jaggar, Jr., a...of life. In fact, Jaggar and the USGS expanded volcano monitoring in the 1920s, establishing an observatory |  | | Report (issue) | | number 452. COVER Summit eruptive vent of Kīlauea Volcano and the southwest flank of Mauna Loa, as seen from...on the right side of the image is the Hawaiian Volcano Observatory and the Jaggar Museum. USGS photograph... the USGS took over operation of the Hawaiian Volcano Observatory (HVO), renewing its commitment to the...in 1912 at the edge of the caldera of Kīlauea Volcano, HVO was the vision of Thomas A. Jaggar, Jr., a...of life. In fact, Jaggar and the USGS expanded volcano monitoring in the 1920s, establishing an observatory |  | | Report (issue) | | number 452. COVER Summit eruptive vent of Kīlauea Volcano and the southwest flank of Mauna Loa, as seen from...on the right side of the image is the Hawaiian Volcano Observatory and the Jaggar Museum. USGS photograph... the USGS took over operation of the Hawaiian Volcano Observatory (HVO), renewing its commitment to the...in 1912 at the edge of the caldera of Kīlauea Volcano, HVO was the vision of Thomas A. Jaggar, Jr., a...of life. In fact, Jaggar and the USGS expanded volcano monitoring in the 1920s, establishing an observatory |  | | Report (issue) | | number 452. COVER Summit eruptive vent of Kīlauea Volcano and the southwest flank of Mauna Loa, as seen from...on the right side of the image is the Hawaiian Volcano Observatory and the Jaggar Museum. USGS photograph... the USGS took over operation of the Hawaiian Volcano Observatory (HVO), renewing its commitment to the...in 1912 at the edge of the caldera of Kīlauea Volcano, HVO was the vision of Thomas A. Jaggar, Jr., a...of life. In fact, Jaggar and the USGS expanded volcano monitoring in the 1920s, establishing an observatory |  | | Report (issue) | | number 452. COVER Summit eruptive vent of Kīlauea Volcano and the southwest flank of Mauna Loa, as seen from...on the right side of the image is the Hawaiian Volcano Observatory and the Jaggar Museum. USGS photograph... the USGS took over operation of the Hawaiian Volcano Observatory (HVO), renewing its commitment to the...in 1912 at the edge of the caldera of Kīlauea Volcano, HVO was the vision of Thomas A. Jaggar, Jr., a...of life. In fact, Jaggar and the USGS expanded volcano monitoring in the 1920s, establishing an observatory |  | | Journal (article/letter/editorial) | | people) lives within 100 km of a historically active volcano. Assessment of volcanic hazard and eruption modelling...from samples of several volcanoes (e.g. Unzen, Montserrat, Merapi, St. Helens) show that fragmentation...surface area measurements on samples from Unzen volcano, Japan. The increase in surface area is determined...fragmentation behavior and thus the eruptive style of a volcano. Using a modified setup of a shock-tube based fragmentation...Symposium Abstracts/Lithos 73 (2004) S1–S125 Augite-Pigeonite Exsolution: Kinetics of the Homogenisation 1 |
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