 | 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...(plagioclase, two pyroxenes, Fe–Ti oxides, magnesio-hornblende) was reproduced at 860–880 °C and 120–200...at andesitic arc volcanoes. Keywords Augustine volcano · Magma storage · Phase equilibria · Andesite ·...Angelis editor@tornilloscientific.com 1 Alaska Volcano Observatory, Geophysical Institute, University |  | Hartung, Eva, Caricchi, Luca, Floess, David, Wallis, Simon, Harayama, Satoru, Kouzmanov, Kalin, Chiaradia, Massimo (2017) Evidence for Residual Melt Extraction in the Takidani Pluton, Central Japan. Journal of Petrology, 58 (4) 763-788 doi:10.1093/petrology/egx033 | Journal (article/letter/editorial) | | Melt Extraction in the Takidani Pluton, Central Japan Eva Hartung1*, Luca Caricchi1, David Floess1, Simon...464-8601, Japan; and 3Department of Geology, Shinshu University, Matsumoto 390-8621, Japan *Corresponding...melt reservoirs in the upper crust. Located in the Japan Alps, the Takidani pluton shows a clear vertical...biotite (bt)-granite (fGT) and medium-grained hornblende (hbl)–bt-granite (GRT) in the lower section of...Hida Mountain Range along the main axis of the Japan Alps where it crops out in a north– south elongated |  | | Journal (article/letter/editorial) | | amphibole (Fig. 2c, e). Amphibole is mainly magnesio-hornblende (Fig. 3a). Accessories are predominately...host (Fig. 3a, c). Amphibole in enclaves is Mg-hornblende to actinolite (Fig. 3a). Clinopyroxene occurs...melt (as suggested by the common occurrence of hornblende and biotite in the host granodiorite) then hybridization...supported by the decreasing ratio of clinopyroxene to hornblende in the porphyritic enclaves compared with the...consumption of clinopyroxene and production of hornblende would also produce a higher Ca/Na melt which |  | | Journal (article/letter/editorial) | | 5 Manitouwadge tremolite/ actinolite Nora hornblende tschermakite St. Paul's Rocks 0 0 0.5 1...Tremolite/actinolite (no substitution) Magnesio-hornblende (one Tschermak substitution) Tschermakite...endmember composition KCa2Fe2+3Fe3+2Si5Al3O22Cl2. Hornblende, by itself, is a long used field term for dark-colored...specific amphibole species. It is given the prefix magnesio- if it has Mg > Fe2+ on the M sites, and ferro-...of igneous calcium amphiboles (e.g., “basaltic hornblende”) in mafic and intermediate rocks (Deer et al |  | | Journal (article/letter/editorial) | | phenocrysts occurring in dacite from the Unzen volcano, Japan, could not be fully accounted for by just...compositions corresponding to ferro-pargasite and to the magnesio-hastingsite– hastingsite [NaCa 2 (Mg 4 Fe 3þ)(Al...component (Al,Fe)2O3 this join also corresponds to magnesio-hastingsite–hastingsite (Mg-Hst–Hst). The open...(Fe-Prg), which, in this projection, are identical to magnesio-hastingsite (Mg-Hst) and hastingsite (Hst), respectively...compositions of amphiboles (mostly magnesio-hornblende and magnesio-ferri-hornblende) that were treated in 4 wt |  | | Journal (article/letter/editorial) | | hydrous rhyodacitic starting glasses from Mt. Usu, Japan. Aqueous solutions were added to experimental charges...crystallisation of a natural rhyodacite melt from Mt. Usu, Japan, as a function of temperature, pressure, oxygen...rhyodacite sample (NMNH sample 108980-14) from Mt. Usu, Japan (see Tomiya & Takahashi, 2005) (Table 1). The natural...were used – albite (Si, Na), orthoclase (Al), hornblende (Ti), basaltic glass (Fe), diopside (Ca), olivine...were determined by repeat analyses of Kakanui hornblende (USNM 143965), Lake County labradorite (NMNH |  | Rooyakkers, Shane M., Wilson, Colin J. N., Schipper, C. Ian, Barker, Simon J., Allan, Aidan S. R. (2018) Textural and micro-analytical insights into mafic–felsic interactions during the Oruanui eruption, Taupo. Contributions to Mineralogy and Petrology, 173 (5) doi:10.1007/s00410-018-1461-6 | Journal (article/letter/editorial) | | crystallization · Mafic–felsic interaction · Taupo volcano · Textural analysis Introduction Communicated...inclusions from the rhyolitic Oruanui eruption (Taupo volcano). Our data provide new insights into the nature...(Vandergoes et al. 2013) Oruanui eruption of Taupo volcano (central North Island, New Zealand) evacuated ~...Data available in Electronic Appendix 1 magnesio-hornblende and pargasite (Fig. 6a: nomenclature of Hawthorne...30 La (ppm) Sc (ppm) P560 P919 P987 Magnesio-Hornblende Tremolite 0 13 Key to clasts 40.0 42 |  | | Journal (article/letter/editorial) | | deposits Magnetite Skarn Rhyodacite Hornblende-biotite porphyry Hornblende porphyry Gabbrodiorite complex...normally zoned plagioclase (An90–30), poikilitic hornblende, Fe–Ti oxides (magnetite and ilmenite, both with...orthopyroxene is often found in the core of poikilitic hornblende. Accessory minerals consist of apatite, zircon...the gabbrodiorite “cumulate” has more abundant hornblende and pyroxene, and less plagioclase (more calcic...emplacement (as stocks and dikes) of the hornblende and hornblende–biotite porphyries, both of dacitic composition |  | | Report (chapter) | | ANGELIS6, MELISSA PLAIL4 & AMY DONOVAN7 1 Montserrat Volcano Observatory, Flemmings, Montserrat, West Indies...andesite lava erupted at the Soufrière Hills Volcano (SHV) is crystal-rich with 33–63% phenocrysts of...the syn-eruptive enclaves. The Soufrière Hills Volcano (SHV) is an andesitic dome complex located on the... (eds) 2014. The Eruption of Soufrière Hills Volcano, Montserrat from 2000 to 2010. Geological Society...Long-lived eruptions (such as the eruption at Arenal Volcano: Reagan et al. 1987) can produce products with |  | | Journal (article/letter/editorial) | | aggregates of fine-grained plagioclase+quartz+biotite± hornblende which trapped abundant acicular grains of apatite...intrusion (Fig. 2A–B), and hybrid biotite/phlogopite±hornblende tonalites and quartz-diorites. In addition, there...there are rare less contaminated phlogopite–hornblende diorites. The hybrid tonalites and quartz-diorites...(∅: b1 mm) of plagioclase, quartz and biotite±hornblende and by the presence of euhedral microphenocrysts...calcic spikes and abundant quartz and biotite±hornblende inclusions in the grain cores (Figs. 3C, 4A) |  | Lehmann, St., Barcikowski, J., von Quadt, A., Gallhofer, D., Peytcheva, I., Heinrich, C.A., Serafimovski, T. (2013) Geochronology, geochemistry and isotope tracing of the Oligocene magmatism of the Buchim–Damjan–Borov Dol ore district: Implications for timing, duration and source of the magmatism. Lithos, 180. 216-233 doi:10.1016/j.lithos.2013.09.002 | Journal (article/letter/editorial) | | 41°42‘ Chlorite, quartz, serizite schist Chlorit hornblende schist Amphibolite schist Gneiss Precambrium...occasionally have rims (~10 μm) of edenite, magnesio-hornblende or pargasite (Fig. 5B). Some amphibole phenocrysts...point to a continental arc setting. Amphibole Hornblende Amphibole Biotite Plagioclase Fig. 5. Thin...phenocrysts (approximately 3 mm) enclosing smaller hornblende (approx. 0.25 mm) phenocrysts, large amphibole...ratios of plagioclase phenocrysts from Unzen volcano, SW Japan. Journal of Volcanology and Geothermal |  | | Book | | Jörg Dietrich Evangelos Lagios Editors Nisyros Volcano The Kos - Yali - Nisyros Volcanic Field Active...Dietrich Evangelos Lagios • Editors Nisyros Volcano The Kos - Yali - Nisyros Volcanic Field 123 Editors...11, 6330 Cham, Switzerland Foreword Nisyros Volcano, which is located in the southeastern part of the...behind. Today, the post-volcanic activity of the volcano continues with gaseous emanation from fumaroles...initiate a proper study and monitoring of the Nisyros Volcano, including the volcanic area between Kos and Tilos | | | Book | | Jörg Dietrich Evangelos Lagios Editors Nisyros Volcano The Kos - Yali - Nisyros Volcanic Field Active...Dietrich Evangelos Lagios • Editors Nisyros Volcano The Kos - Yali - Nisyros Volcanic Field 123 Editors...11, 6330 Cham, Switzerland Foreword Nisyros Volcano, which is located in the southeastern part of the...behind. Today, the post-volcanic activity of the volcano continues with gaseous emanation from fumaroles...initiate a proper study and monitoring of the Nisyros Volcano, including the volcanic area between Kos and Tilos |  | | Report (volume) | | amphibole group from Kasuga-mura, Gifu Prefecture, central Japan. Eur J Mineral 16:177-183 Bocchio R, Ungaretti...High alumina calcic amphiboles (alumino pargasite-magnesio sadanagaite) from metabasites and metacarbonates...metamorphosed rocks in the NogoHakusan area, central Japan. Mineral Mag 53:99-106 Schindler M, Sokolova E,...Sadanagaite and magnesio-sadanagaite, new silica-poor members of calcic amphibole from Japan. Am Mineral...Sillanpää R, Marshall B, Papunen H (1996) Magnesian hornblende from a metamorphosed ultramaic body in Southwestern |  | | Book | | Argentina AB FG, MG Mesozoic Proterozoic Calbuco Volcano, Chile AND MG ,1,000 yr Paleozoic Hickey-Vargas...MP MGG AB AB MG MG, MGG, IG, FG Ichinomegata, Japan AND AM Deccan Traps, India K MG Tibetan plateau...of potassic phases (e.g., potassium feldspar, hornblende, biotite) in otherwise mafic granulites. These...Petrology of mafic inclusion from Itinomegata, Japan. Contrib. Mineral. Petrol. 30, 314–331. Arculus...xenoliths from the Mt. Carmel area (Karem Maharal Volcano), Israel. Lithos 19, 43–49. Esperança S., Carlson |  | | Book | | USA and M. K. Weisberg Kingsborough College of the City University of New York, Brooklyn, NY, USA 1.05.1...Meteorites. National Institute of Polar Research Tokyo, Japan. Zipfel J., Palme H., Kennedy A. K., and Hutcheon... PhD Dissertation, University of Tokyo, Tokyo, Japan, 209p. Miura Y. N., Nagao K., Sugiura N., Fujitani...Antarctic Meteorites. Natl. Inst. Polar Res., Tokyo, Japan, pp. 188 –191. Nishiizumi K., Arnold J. R., Fink...Antarctic Meteorites. Natl. Inst. Polar Res., Tokyo, Japan, pp. 129 –132. Nishiizumi K., Arnold J. R., Caffee |
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