| | Journal (article/letter/editorial) | Nickel-copper sulfides from the 1959 eruption of Kilauea Volcano, Hawaii: Contrastingcompositionsand phaserelations...phaserelations in eruption pumice and Kilauea Iki lava lake Wrr,r,raryr E. SroNn Department of Geology, McMaster...eruption pumice from the 1959 eruption of Kilauea Volcano, Hawaii, and associatedKilauea Iki lava lake have...solid solution (mss), isocubanite,pentlandite, bornite, and an unidentified metal-excessiron-rich sulfide...relative to Cu. These minerals are also present in Kilauea Iki lava lake, along with chalcopyrite, but the | | Greaney, Allison T., Rudnick, Roberta L., Helz, Rosalind T., Gaschnig, Richard M., Piccoli, Philip M., Ash, Richard D. (2017) The behavior of chalcophile elements during magmatic differentiation as observed in Kilauea Iki lava lake, Hawaii. Geochimica et Cosmochimica Acta, 210. 71-96 doi:10.1016/j.gca.2017.04.033 | Journal (article/letter/editorial) | magmatic differentiation as observed in Kilauea Iki lava lake, Hawaii Allison T. Greaney, Roberta L. Rudnick...magmatic differentiation as observed in Kilauea Iki lava lake, Hawaii, Geochimica et Cosmochimica Acta (2017)...magmatic differentiation as observed in Kilauea Iki lava lake, Hawaii Allison T. Greaneya,b, Roberta L. Rudnicka...College Park, Department of Geology, College Park, MD, USA, 20742 b. Present address: University of California...Santa Barbara, CA, USA 93106 c. United States Geological Survey, MS 926A, Reston, VA, USA 20192 d. Present | | | Journal (article/letter/editorial) | picritic basalts from Kilauea Volcano, Hawaii, kimberlite from Fayette County, Pennsylvania, and megacrysts...groundmass-hosted sulfides from Kilauea Volcano range from 0.5 to 43 at%, and samples from the Kilauea Iki lava lake are...picritic basalt from Hawaii, and olivine megacrysts in kimberlite from Fayette County, Pennsylvania and...and megacrysts: D, Disko basaltic glass;/, Kilauea Volcano; K, kimberlite; M, mid-ocean ridge; S, Mount...(mol%) obs Disko D 39.4 44.2 15.7 0.02 Kilauea Ila,o Ilb,o Ilc,o Ild,o I2,o I3a,o I3b,o I3c,o | | | Journal (article/letter/editorial) | silicate phenocrystsin tholeiitic basalts of Kilauea volcano,Hawaii. Sulfidesconstituteless than 0.05 volume.... Kilauea volcano,Hawaii. Most examplesare from variouslavaseruptedfrom the eastflank of Kilauea during...that was erupted from the southwestrift of Kilauea volcano in prehistorictime and occurs as ropy, top-surfacelava...sulfidephasesand determineif theseare flank eruptionof Kilauea volcano. It is from the relatedto fractionalcrystallizationof...Gerald K. Czamanske;(3) glassygroundmass. The 1955 Kilauea lavas are less fractionated than the Kamakaia lava | | | Journal (article/letter/editorial) | samples by the sealed silica tube method at 800 ËC. Bornite shows solid solutions ranging from (Cu4.70Fe1.30)6...between bornite and pyrrhotite, and that the tie-lines between bornite and iss and between bornite and pyrrhotite...at 800 ËC is reported. Key words: Cu â Fe â S, bornite, iss, pyrrhotite, sulfide liquid. 1. Introduction...Ni-bearing pyrrhotite and Cu â Fe sulfides in the 1959 Kilauea eruption (Stone & Fleet 1991) and Cu â Fe sulfides...shown in Fig. 1. At 700 ËC, three phases, namely bornite, intermediate solid solution (iss) and pyrrhotite | | | Journal (article/letter/editorial) | Tarumai volcano, Hokkaido, Japan ćéąš ć”(Arashi KITAKAZE)î
SulËde blebs composing of bornite solid-solution...Tarumai volcano, Hokkaido, Japan. The lava dome consists of two-pyroxene andesite. Some bornite solid-solutions...exsolved from the Cuîbearing pyrrhotite. Some bornite solid-solutions and mooihoekite are found in a...micro-crystals. The magnetite including mooihoekite and bornite solid-solution, and the orthopyroxene including...Pyrrhotite, Isocubanite, Mooihoekite, Bornite, Tarumai Volcano I. ăŸăăă ć€ȘćčłæŽæ”·ćșçæŠćČ©ăăăŻă€ăźăăăăčăăăćçæŠćČ©äž | | | Journal (article/letter/editorial) | of a single, poorly-developedcleavageare Kilauea volcano,Hawaii, of which two are too ironrich to be considered...as standards, copper-free pyrite,hexagonal from Kilauea, but the latter apparentlylacks the of the phaseunderdiâą...strikingopticalproperties j/irvi, and optically-normal bornite (a = 10.950-+ cussion. 0.001A; assumedcomposition...representthe "Cb-ss ?" nos. 134-13-A and 128-16~A from Kilauea (Desborough, Anderson and Wright, 1968); D, the | | | Journal (article/letter/editorial) | condensates from the Niuatahi-Motutahi submarine volcano, Tonga rear arc: Implications for PGE mineralization...altered dacites from the Niuatahi-Motutahi submarine volcano, Tonga rear arc, in order to determine the compatibility...settings. A series of studies of the Kudryavy volcano, Kurile Arc (Korzhinsky et al., 1994; Tessalina...the composition of volcanic gas from Tolbachik volcano, Kamchatka 238 J.-W. Park et al. / Geochimica...Ir and Os. The Niuatahi-Motutahi is a submarine volcano located in the northern Tonga rear arc in which | | Fowler, Andrew P.G., Zierenberg, Robert A., Reed, Mark H., Palandri, James, Ăskarsson, Finnbogi, Gunnarsson, Ingvi (2019) Rare earth element systematics in boiled fluids from basalt-hosted geothermal systems. Geochimica et Cosmochimica Acta, 244. 129-154 doi:10.1016/j.gca.2018.10.001 | Journal (article/letter/editorial) | 95616, USA bDepartment of Geological Sciences, University of Oregon, Eugene, OR 97403, USA cIceland...University of Minnesota, Minneapolis, California, 55455, USA Highlights: Boiled basalt-hosted geothermal fluids...systems in Iceland, and the Puna geothermal system in Hawaii. For comparison, we also report REE concentrations...southwest Iceland, and the Puna geothermal field in Hawaii, USA. The sampled geothermal fluids boiled at pressures...are located on the flanks of the Hengill central volcano at the easternmost (inland) extent of the Reykjanes | | | Journal (article/letter/editorial) | that are dominated by Cu-rich sulfides (e.g., bornite, digenite, and chalcopyrite, sometimes coexisting...700°C (from Yund and Kullerud 1966). At 800°C, bornite, pyrrhotite, and a sulfide melt are the stable...(Cu1+xFe)S2 composition and a Cu/Fe of âŒ1; bn bornite, iss intermediate solid solution, po pyrrhotite...Fe/Ni/Cu/S system. Major phases tend to include bornite (Cu5FeS4) and digenite (Cu9S5), sometimes coexisting...sulfides found in the Duluth (e.g., Ripley 1986), Hawaii (e.g., Stone and Fleet 1991), and Sudbury (e.g | | | Journal (article/letter/editorial) | stage, consisting of Cu-rich phases (chalcopyrite, bornite, digenite iss), are hosted exclusively by magnetite...2a for the general geodynamic setting). Several volcano(âplutonic) complexes of Mio-Pliocene age occur...in western Anatolia. The investigated Miocene volcanoâplutonic complexes are Konya (b) and the volcanoes...and Beydagi â c) as well as the Quaternary Kula volcano (c). The geological maps have been modified after...shoshonitic affinity. Finally, the Kula Quaternary volcano presents the most alkaline and mafic compositions | | | Journal (article/letter/editorial) | 330 t Present address: U.S. Geological Survey, Hawaii, T.H. 1 201 W. U. AULT and J. L. KULP deposits...apparatus used by NAUGHTON of the University of Hawaii for the collection of volcanic fluids is shown...gabbro to the intruding granophyre at Bayfield County, Wisconsin. He suggested that âa progressively...Pyrite nodule Pyrite Pyrite Chalcopyrite Pyrite Bornite and covellite Baryman shale Middle Hill With hematite...+28*4 $0.9 + 10.4 +8*6 $9.9 0.0 Native sulphur Volcano Over0 22.19 +o*o de la Vega, North Native sulphur | | Lanzirotti, Antonio, Lee, Lopaka, Head, Elisabet, Sutton, Stephen R., Newville, Matthew, McCanta, Molly, Lerner, Allan H., Wallace, Paul J. (2019) Direct measurements of copper speciation in basaltic glasses: understanding the relative roles of sulfur and oxygen in copper complexation in melts. Geochimica et Cosmochimica Acta, 267. 164-178 doi:10.1016/j.gca.2019.09.029 | Journal (article/letter/editorial) | 60637, USA Hawaiian Volcano Observatory, US Geological Survey, Hawaiâi National Park, HI 96718, USA. c ...Northeastern Illinois University, Chicago, IL 60625, USA. d Department of Earth and Planetary Sciences,...TN 37996, USA. e Department of Earth Sciences, University of Oregon, Eugene, OR 97403, USA Corresponding...Sources, The University of Chicago, Chicago, IL 60637, USA. Email: lanzirotti@uchicago.edu. Abstract Micro-analytical...Halemaâumaâu and along the East Rift Zone of KÄ«lauea Volcano, Hawaiâi (Thornber et al., 2015). This suite of | | HalldĂłrsson, SĂŠmundur A., Bali, EnikĆ, Hartley, Margaret E., Neave, David A., Peate, David W., GuĂ°finnsson, GuĂ°mundur H., Bindeman, Ilya, Whitehouse, Martin J., Riishuus, Morten S., Pedersen, Gro B. M., Jakobsson, SigurĂ°ur, Askew, Rob, Gallagher, Catherine R., GuĂ°mundsdĂłttir, Esther R., Gudnason, JĂłnas, Moreland, William M., Ăskarsson, Birgir V., Nikkola, Paavo, Reynolds, Hannah I., Schmith, Johanne, Thordarson, Thorvaldur (2018) Petrology and geochemistry of the 2014â2015 Holuhraun eruption, central Iceland: compositional and mineralogical characteristics, temporal variability and magma storage. Contributions to Mineralogy and Petrology, 173 (8) doi:10.1007/s00410-018-1487-9 | Journal (article/letter/editorial) | magma ascent close to the BĂĄrĂ°arbunga central volcano, followed by dyke propagation to the Holuhraun...therefore been widely referred to in relation to volcano-tectonic episodes, not only 13 Vol.:(0123456789)...ground deformation at the BĂĄrĂ°arbunga central volcano and its surroundings. The 2014â2015 Holuhraun eruption...matched by only a few other global localities (e.g., Kilauea: Garcia et al. 2000; Helz et al. 2014, and Piton...reported in basalts from the nearby GrĂmsvötn volcano (Sigmarsson et al. 2013). The Holuhraun sulfides | | | Journal (article/letter/editorial) | THE LEONA RHYOLITE, ALAMEDA COUNTY, CALIFORNIA* G. D. RosrNSoN, f/. S. GeologicalSurvey, Denver, Colo...Geological Survey. t204 THE LEONA RHYOLITE, ALAMEDA COUNTY, CALIFORNIA 1205 E X PLANATION Geologyby A C...Frc. 1. Distribution of Leona rhyolite, Alameda county, california. The faults which are shown to terminate...at several places. THE LEONA RHYOLITE, ALAMEDA COUNTY,CALIFORNIA I2O7 The rhyolite usually follows...individual short flows. THE LEONA RHYOLITE. ALAMEDA COUNTY, CALIFORNIA I2O9 Conlocl %O Foull U - u p l | | | Journal (article/letter/editorial) | veins and fractures, including primary minerals (bornite, chalcopyrite and an unidentified sulfide - Cu2...in Mawat and other occurrences, in addition to bornite, covellite, chalcocite, malachite, azurite, and...These minerals include three primary sulfides (bornite, chalcopyrite, and an unknown mineral) (Figs. 6a-h)...given below. Primanry (hypogene) copper minerals Bornite, chalcopyrite, and an unknown mineral (Cu2.3FeS3)...are coeval primary copper sulfides (Figs. 6b-h). Bornite and chalcopyrite are commonly associated and/or | | | Journal (article/letter/editorial) | Larocque et al. 1998, Fig. 3A). Minor chalcopyrite, bornite, or Cu-rich zones occur as a rim on pyrrhotite...an immiscible liquid phase in basaltic magma in Hawaii. Ripley et al. (1998) documented evidence for immiscibility...and cooling of eruption pumice and lava at Kilauea Volcano. Saturation of S resulting from quenching of...into a vapor phase during eruption of El ChichĂłn volcano, Mexico, in 1982, accounting for the large volume... G. (1994): Excessive degassing of IzuâOshima volcano: magma convection in a conduit. Bull. Volcanol | | | Book | of light when struck by various hard objects. Bornite, an iron ore, is also known as âpeacock oreâ because...of colorful iridescence. It is often found with bornite, known as pea- cock ore because of its similar...magma bursting like fireworks from the top of a volcano or gushing down the slopes as a red, viscous...ening it is to hear the thunderous rumblings of a volcano and watch its thick cloud of gray ash slowly and...Flowing lava in Hawaii hasâ been clocked at 58 kilometers per hour gushing out of the volcano at 275 cubic | | | Journal (article/letter/editorial) | Hawaiian OIB = Picrites and basalts from Mauna Kea, Hawaii (Ireland et al., 2009), Alexo and Pyke Hill Komatiites...fractional crystallization of bornite. It should be noted that bornite (Cu5FeS4) is a crystalline Cu-rich...suggested that the fractionating sulïŹde phase is a bornite crystal, which Fig. 10. Binary plots of (a) Pd...immiscible sulïŹde liquid rather than a crystalline bornite, which is unlikely to take all PGE into its structure...abundances in OIB parental melts of Hualalai and Kilauea volcanoes (Ireland et al., 2009 and references | | | Journal (issue) | FORDHAM GNEISS. By Tho,nas W. Fluhr ............ KILAUEA CRATER, HAW All .................................after garnet, have come from Garnet Hill, Calaveras County, California. The occurrence has been described...appears to be hased more on the in Westchester County, are undoubtedly voice of authority and tradition...MINERALS KILAUEA CRATER, HAWAII J. a iC 1e IC l. Iâą e 1, 1t e âą. l i I Kilauea Volcano is in...part of the island of Hawaii, the largest of the Hawaiian Islands. The volcano, which is 30 miles southwest | | | Journal (article/letter/editorial) | and fluxes of trace-element gases at Augustine volcano, Alaska: Insights into magma degassing and fumarolic...MI 49931,USA 2Department of Geological Sciences, University of Oregon, Eugene, OR 97403, USA (Received...1986-l 987 from Augustine volcano, Alaska. We study condensates from Augustine volcano because a wide variety...Present address: US Geological Survey, Cascades Volcano Observatory, 5400 MacArthur Blvd., Vancouver, WA...condensate sampling ( TOUTAIN et al., 1990). AUGUSTINE VOLCANO AND THE 1986-1987 FUMAROLES Mount St. Augustine | | | Journal (article/letter/editorial) | roasting of chalcopyrite are for: (1) T below 400 °C: bornite Cu5FeS4, pyrrhotite, and Îł-CuFeS2 (Aneesuddin et...et al. 1983); (2) T between 400 and 600 °C: bornite, digenite (Cu9S5), covellite CuS, chalcocite Cu2S...of coatings on basaltic tephra at the Kilauea Volcano (Hawaii) indicated that jarosite occurs predominantly...from slag from the Hegeler Zinc smelter, Illinois (USA). Applied Geochemistry 25, 302â320. Piatak, N.M....Hopewell Furnace National Historic Site, Pennsylvania, USA. Applied Geochemistry 27, 623â643. Piatak, N.M., | | | Journal (article/letter/editorial) | andLittleCottonwood basalts from the Kilauea volcano in Hawaii contained less westin the OquirrhMountains...byfeldspar fromtheClaytonPeakstock.E Chalcopyrite-bornite inclusion alongedgeof plagioclase fromthe ClaytonPeakstock...6 4 1 6 4 16 2 2 3 1 Abbreviations: Bo= bornite, Cb= cubanite, Ch= chalcopyrite, Mt = magnetite...bothchalcopyrite andbornitc foundin a few chalcopyrite-bornite grains.Bornitcusually formsrimsaroundcomposite...ofprimary sulfides intheClayton Peakstock. Bo--bornite+chalcopyrite, Ch= chalcopyrite alone, Mt = magnetite+ | | | Report (issue) | Sample is from the Buckskin National Mine, Humboldt County, Nevada. Photograph by Peter Vikre, U.S. Geological...[Kinshasa]), and up to 4,617 ppm in sulfides, such as in bornite (Cu5FeS4) in the Glava Mine (in Sweden) and the...may commonly substitute into sulfides, such as bornite, chalcocite (Cu2S), chalcopyrite (CuFeS2), digenite...Pyrite 0.006 ââDo. Dastakert deposit, Armenia Bornite 0.0066 ââDo. ââdo. Chalcopyrite-pyrite 0.003...Magmatic Magmatic Norilâsk, Siberia, Russia Bornite 0.01 to 0.015 ââDo. ââdo. Chalcopyrite 0.005 | | | Journal (article/letter/editorial) | disseminated and fracture-controlled chalcopyrite, bornite, and molybdenite, with minor pyrrhotite mineralization...precipitate hypogene chalcopyrite, pyrite and bornite in equilibrium with primary hematite and anhydrite...of the Paleogene North Fork deposit, Washington, USA (gray hatched ïŹeldsâSmithson, 2004). Vertical shaded... chalcopyrite, pyrrhotite, ±molybdenite, and ±bornite. Hornblende plagioclase porphyry (ADP) dykes These...secondary pyrite, chalcopyrite, ±molybdenite, and ±bornite. Hecate Bay phase The Hecate Bay phase is a fresh |
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