 | Altaner, Stephen P, Ylagan, Robert F, Savin, Samuel M, Aronson, James L, Belkin, Harvey E, Pozzuoli, Antonio (2003) Geothermometry, geochronology, and mass transfer associated with hydrothermal alteration of a rhyolitic hyaloclastite from Ponza Island, Italy. Geochimica et Cosmochimica Acta, 67 (2) 275-288 doi:10.1016/s0016-7037(02)01077-3 | Journal (article/letter/editorial) | | alteration of a rhyolitic hyaloclastite from Ponza Island, Italy STEPHEN P. ALTANER,1,* ROBERT F. YLAGAN,2...‘Federico II,’ Largo S. Marcellino 10, 80138 Napoli, Italy 3 (Received March 20, 2001; accepted in revised...Abstract—A rhyolitic hyaloclastite from Ponza Island, Italy, was hydrothermally altered, producing four...transfer associated with hydrothermal alteration on Ponza agree with chemical fluxes observed in laboratory...rhyolite and seawater. The anomalous Ca loss at Ponza may be due to hydrothermal formation of anhydrite |  | | Journal (article/letter/editorial) | | from Tre Croci, Vico Volcanic complex (Latium, Italy) G. DELLA VENTURA, F. BELLATRECCIA Dipartimento...near Viterbo, Italy. The host rock is composed of abundant K-feldspar and minor plagioclase, biotite, clinopyroxene...variety of geological environments. In Latium (Italy), it occurs in syenitic holocrystalline ejecta (Della...and pyroclastic deposits of the Roman comagmatic province (Washington, 1906). Giannetti and Luhr (1983)...feldspathoid-bearing xenolith entrained in a trachyte from Ponza Isle (Pontine Islands, south of Rome). Both occurrences |  | | Journal (article/letter/editorial) | | Plio-Pleistocene Volcanics from Ponza Island (Tyrrhenian Sea, Italy) A. M. Conte1 and D. Dol®2 1 2 Centro...2000 Summary Volcanic rocks on Ponza Island (Tyrrhenian Sea, central Italy) consist of Pliocene submarine...and/or CO2 -rich volatile phase. Introduction Ponza Island occurs within the Pontine Archipelago, situated...to both periods outcrop only on Ponza. Volcanism started on this island with submarine and subaerial rhyolite...Conte and D. Dol® Fig. 1. Geological map of Ponza Island (modi®ed after Carmassi et al., 1983) Savelli |  | Cadoux, Anita, Pinti, Daniele L., Aznar, Cyril, Chiesa, Sergio, Gillot, Pierre-Yves (2005) New chronological and geochemical constraints on the genesis and geological evolution of Ponza and Palmarola Volcanic Islands (Tyrrhenian Sea, Italy) Lithos, 81 (1) 121-151 doi:10.1016/j.lithos.2004.09.020 | Journal (article/letter/editorial) | | geological evolution of Ponza and Palmarola Volcanic Islands (Tyrrhenian Sea, Italy) Anita Cadouxa,*, Daniele...Dalmine Via Pasubio 3/5, 24044 Dalmine (Bergamo), Italy Received 12 August 2003; accepted 27 September 2004...geochemical study of the volcanic rocks of the Ponza and Palmarola Islands, Pontine Archipelago, has...volcanism related to the opening of the Tyrrhenian Sea. Ponza is the oldest felsic magmatic manifestation in the...Tyrrhenian area. Previous studies suggested that Ponza volcanic activity began before 5 Ma. Twenty-five |  | Conte, Aida Maria, Di Bella, Letizia, Ingrassia, Michela, Perinelli, Cristina, Martorelli, Eleonora (2020) Alteration and Mineralization Products of the Zannone Giant Pockmark (Zannone Hydrothermal Field, Central Tyrrhenian Sea) Minerals, 10 (7) 581 doi:10.3390/min10070581 | Journal (article/letter/editorial) | | Università di Roma, P.le A. Moro, 5, 00185 Roma, Italy; aidamaria.conte@cnr.it (A.M.C.); michela.ingrassia@igag...Università di Roma, P.le A. Moro, 5, 00185 Roma, Italy; letizia.dibella@uniroma1.it Correspondence: cristina...the shelf off Zannone Island (Pontine Archipelago, central Tyrrhenian Sea, Italy), hosting active hydrothermal...to that feeding the Pleistocene products of Ponza Island. Keywords: hydrothermal alteration geochemistry;...Zannone Island. The Zannone hydrothermal system recently in the submarine sector of Zannone Island. hydrothermal |  | | Journal (article/letter/editorial) | | computer modeling of trachyte petrogenesis at Ponza, Italy L. Fedele a,*, R.J. Bodnar a, B. DeVivo b, R...Università di Napoli Federico II, 80134 Naples, Italy Received 17 January 2002; received in revised form...Punta della Guardia trachytic unit on the island of Ponza, Italy is thought to represent the latest stage...to constrain the crystallization history of the Ponza trachyte. The trachyte is a weakly porphyritic lava...lava that contains phenocrysts of plagioclase, K-feldspar, clinopyroxene and biotite. Melt inclusions |  | | Report (chapter) | | (INGV), Via dell’Arcivescovado, 8-67100 L’Aquila, Italy 2 Departamento de Geociências, Centro de Vulcanologia...Roma Tre, L.go S. Leonardo Murialdo, 1-00146 Roma, Italy 4 Institut de Ciències de la Terra Jaume Almera...dykes of the submarine rhyolitic dome of Ponza (Italy). In the Ponza dykes, AMS results indicate generally...assemblage and texture, consisting of euhedral plagioclase, clinopyroxene, orthopyroxene and iron oxide...embedded in a partly devitrified groundmass with plagioclase microlites and pyroxene, and iron oxide crystals |  | | Journal (article/letter/editorial) | | clinopyroxene phenocrysts from Roccamon®na lavas (Italy) A. Lima Dipartimento di Geo®sica e Vulcanologia...UniversitaÁ di Napoli ``Federico II'', Napoli, Italy With 9 Figures Received May 11, 1999; revised version...generally fall in the diopside-salite ®eld. Plagioclase varies from An89 to An43 in latitic lavas and...central and southern Italy. This volcanism forms the Roman Comagmatic Province (Washington, 1906) which...which is located along the Tyrrhenian margin of Italy from the Vulsini to the Vulture volcanic complexes |  | | Journal (article/letter/editorial) | | Munno (1983; Campi Flegrei, Italy), Parodi (Vivo volcanic complex, Italy; reference in Williams and GiereÂ...contact between the Bergell calc-alkaline intrusives (Italy) and the enclosing spinel±calcite marble (GiereÂ...Adamello batholite (Italy). Belkin et al. (1996) reported zirkelite from Ponza Island (Italy) in a xenolith...volcano Lewotolo volcano is located at Lomblen island (8°27¢S, 123°59¢E) in the East Sunda Arc (ESA)...commonly vesicular and all carry phenocrysts of plagioclase, clinopyroxene and titaniferous magnetite. The |  | | Journal (article/letter/editorial) | | Mordenite-bearing tuffs from Prassa quarry, Kimolos island, Greece ATHANASIOS GODELITSAS1,*, PLATON GAMALETSOS1...region on the northeastern part of the Kimolos island, Greece. Particular emphasis was given to a MOR-type...hydrothermal alteration. 1. Introduction neighbouring island of Polyegos. These materials have been studied...and The Pliocene volcanic rocks of the Kimolos island (Cyclades, Aegean, Greece) are related to significant...covering an area of 130,000 m2 in the NE part of the island (PT formation, Fig. 1). The production reaches |  | | Journal (article/letter/editorial) | | degli Studi di Napoli ``Federico II'', Napoli, Italy 2 With 6 Figures Received March 27, 2000; revised...setting which produced the Neapolitan volcanic province which includes A metallogenic survey of alkalic...Tertiary epithermal Au deposits (e.g. Ladolam, Lihir island, New Guinea; Emperor, Viti Levu, Fiji; Porgera...associated with high-K igneous rocks, also in an island arc setting, in the Colorado mineral belt (e.g...deposits (MuÈller and Groves, 1995). The Roman Province: a selected locality of potassic igneous rocks |  | | Journal (article/letter/editorial) | | TERTIARY CALC-ALKALINE PYROCLASTITES FROM SARDINIA (ITALY) MARIA R, GHIARA,1 CARMELA PETTI, 1 ENRICO FRANCO...80134 Napoli, Italy 2 PROGEMISA Societa Sarda Valorizzazione Georisorse, Cagliari, Italy Abstract-Clinoptilolite...and Galli, 1985; Ogihara and Iijima, 1990). In Italy, diagenetic clinoptilolite and mordenite were described...Vicenza (Alietti and Ferrarese, 1967) and at Ponza island (Passaglia et ai" 1995), respectively. Clinoptilolite...this time and affecting the western area of the island. The last calcalkaline volcanism dates back to |  | Cas, R., Giordano, G., Balsamo, F., Esposito, A., Mastro, S. L. (2011) Hydrothermal Breccia Textures and Processes: Lisca Bianca Islet, Panarea Volcano, Aeolian Islands, Italy. Economic Geology, 106 (3) 437-450 doi:10.2113/econgeo.106.3.437 | Journal (article/letter/editorial) | | Bianca Islet, Panarea Volcano, Aeolian Islands, Italy R. CAS,1 G. GIORDANO,2,† F. BALSAMO,2 A. ESPOSITO...Rome, Italy 3 Instituto Nazionale di Geofisica e Vulcanologia, Via di Vigna Murata 503, Rome, Italy Abstract...in the Aeolian Islands volcanic arc of southern Italy. The emergent top of the volcano forms a small archipelago...Davies et al., 2008). The island of Panarea in the Aeolian Islands of Italy has an active offshore submarine...exposures of volcanic rocks on the nearby Lisca Bianca island preserve products of a paleohydrothermal system |  | | Journal (article/letter/editorial) | | fillings, but not as veins (Figure 4). Primary plagioclase (oligoclase to andesine) was rarely replaced...illite-smectite during alteration of felsic rocks pl: plagioclase, cpt: clinoptilolite, qz: quartz, ill: illite...for the smectitization of volcanic glass in Milos Island based on mass-balance calculations. The value should...from Shinzan, Japan (Inoue and Utada, 1983) and Ponza, Italy Clays and Clay Minerals (Ylagan et al., 2000)...studies, the reacting solutions in the Shinzan and Ponza systems both were significantly concerned with seawater |  | | Journal (article/letter/editorial) | | events at the Cleo gold deposit, Eastern Goldfields Province, Western Australia—S.M. Brown, C.A. Johnson, R...Indonesia-Japan Geothermal Exploration Project in Flores Island 579 856 INTERESTING PAPERS IN OTHER JOURNALS...computer modeling of trachyte petrogenesis at Ponza, Italy—L. Fedele, R.J. Bodnar, B. DeVivo, and R. Tracy...Larderello-Travale geothermal field, Tuscany (central Italy) —P. Möller, P. Dulski and G. Morteani 171 Iron...alteration of a rhyolitic hyaloclastite from Ponza Island, Italy—Stephen P. Altaner, Robert F. Ylagan, Samuel |  | Ashwal, Lewis, Torsvik, Trond, Horváth, Péter, Harris, Chris, Webb, Susan, Werner, Stephanie, Corfu, Fernando (2016) A Mantle-derived Origin for Mauritian Trachytes. Journal of Petrology, 57 (9) 1645-1676 doi:10.1093/petrology/egw052 | Journal (article/letter/editorial) | | quartz–fayalite–magnetite buffer) fail, because when plagioclase joins olivine in the crystallizing assemblage...INTRODUCTION GEOLOGY OF MAURITIUS The volcanic island of Mauritius (2040 km2), in the Indian Ocean, is...Ridge and into the 655 Ma Deccan Large Igneous Province, which represents the oldest part of the track...005% of the total volume of volcanic rocks on the island (Moore et al., 2011). Older Series lavas are geochemically...MAU-6 and MAU-13 that are atypically enriched in plagioclase components relative to feldspars in other trachytes |  | Bellatreccia, Fabio, Della Ventura, Giancarlo, Williams, C. Terry, Lumpkin, Gregory R., Smith, Katherine L., Colella, Michael (2002) Non-metamict zirconolite polytypes from the feldspathoid-bearing alkali-syenitic ejecta of the Vico volcanic complex (Latium, Italy) European Journal of Mineralogy, 14 (4) 809-820 doi:10.1127/0935-1221/2002/0014-0809 | Journal (article/letter/editorial) | | alkalisyenitic ejecta of the Vico volcanic complex (Latium, Italy) FABIO BELLATRECCIA1, GIANCARLO DELLA VENTURA2,...Roma La Sapienza, P. Aldo Moro 5, I-00185 Roma, Italy Dipartimento di Scienze della Terra, Università...della Calabria, I-87036 Arcavacata di Rende (CS), Italy Corresponding author, e-mail: dellaven@unical.it...volcanic complex, near Tre Croci Community, Latium (Italy). The host rock is a foid-bearing alkali-syenite...alkali-syenite and consists of potassium-feldspar and plagioclase, with minor biotite, titanite, clinopyroxene and |  | | Journal (article/letter/editorial) | | IN SOILS ON PYROCLASTIC DEPOSITS IN THE ISLAND OF LIPARI (ITALY) A. M IRABELLA 1, *, M. E GLI 2 , S. R...del Suolo ÿ Piazza D'Azeglio 30, 50121 Firenze, Italy 2Department of Geography ÿ Winterthurerstrasse 190...le delle Scienze, 90128 Palermo, Italy ÐThe island of Lipari (Italy) is characterized by calc-alkaline...investigated soil profiles on the volcanic island of Lipari (Italy), where the volcanic products are characterized...000 y. et al INVESTIGATION AREA The volcanic island of Lipari is the widest part of the Aeolian archipelago |  | | Report (issue) | | from Vesuvius, Italy (X500); (D) Crystallized melt inclusion in quartz from Ponza, Italy (X400); (E) Crystallized...Crystallized melt inclusion in trachyte from Ponza, Italy (X800); (F) Altered melt inclusion from a porphyry...MI, including “stone-cavities” from the island of Ponza (Italy) (Fig. 1-1D, E). Fedele et al. (2003) studied...studied similar samples from Ponza and heated the MI to produce a homogeneous glass that was then analyzed...develop a model for igneous petrogenesis in the Ponza trachyte. Sorby was among the first to recognize |  | Conticelli, Sandro, Guarnieri, Luisa, Farinelli, Alice, Mattei, Massimo, Avanzinelli, Riccardo, Bianchini, Gianluca, Boari, Elena, Tommasini, Simone, Tiepolo, Massimo, Prelević, Dejan, Venturelli, Giampiero (2009) Trace elements and Sr–Nd–Pb isotopes of K-rich, shoshonitic, and calc-alkaline magmatism of the Western Mediterranean Region: Genesis of ultrapotassic to calc-alkaline magmatic associations in a post-collisional geodynamic setting. Lithos, 107 (1) 68-92 doi:10.1016/j.lithos.2008.07.016 | Journal (article/letter/editorial) | | Firenze, Via Giorgio La Pira, 4, I-50121, Firenze, Italy Istituto di Geoscienze e Georisorse, U.O. Firenze...N.R., Via Giorgio La Pira, 4, I-50121, Firenze, Italy c Dipartimento di Scienze Geologiche, Università...Tre, Largo S. Gesualdo Murialdo, 1, 00146, Roma, Italy d Dipartimento di Scienze della Terra, Università...Universitario, Via Giuseppe Saragat, 1, Ferrara, Italy e C.N.R. — Istituto di Geoscienze e Georisorse —...— U.O. di Pavia, via Ferrata 1, Pavia, Italy f Geowißenshaften Institut, Johannes Gütemberg Universität |  | | Journal (article/letter/editorial) | | rotation of elongated tabular phenocrysts (e.g., plagioclase and biotite), which collide and become stacked...Aubourg et al. [38], who analyzed rhyolite dikes in Italy and found ferromagnetic susceptibilities (1034 ^1032...219 (2004) 155^169 165 Fig. 8. Example of plagioclase petrofabric analysis taken from sample B-15C...is S 14‡). (B) Classi¢ed thin section, with plagioclase in gray and all other minerals and matrix in...directions for plagioclase boundary orientations, indicating 89.2‡ as the average plagioclase grain orientation |  | | Journal (article/letter/editorial) | | Federico II, Via Mezzocannone 8, 80134 Napoli, Italy a r t i c l e i n f o Article history: Received...melt and fluid(s) and limited crystallization of plagioclase and iron–titanium oxides. The Cl concentration...glasses. Some glasses also contain Ca-enriched plagioclase and small crystals of iron-titanium oxides as...composition resulting from crystallization of plagioclase and iron–titanium oxides in some runs; and (3)...fluids and melt and limited crystallization of plagioclase and iron–titanium oxides at 200 MPa. Plot (A) |  | | Journal (article/letter/editorial) | | suites from the Cretaceous Damaraland igneous province (Namibia), one with and one without associated...and contain a cumulate component (nepheline, plagioclase). The Kalkfeld nefoidites (ijolites) and ne-syenites...complexes in the Early Cretaceous Damaraland igneous province in Namibia, one of which is associated with carbonatite...complexes that make up the Damaraland Igneous Province in northwestern central Namibia, and occur within...and Etaneno complexes in the Damaraland igneous province, Namibia. Modified after Harris (1995). cover |  | Taneja, Rajat, Rushmer, Tracy, Blichert-Toft, Janne, Turner, Simon, O'Neill, Craig (2016) Mantle heterogeneities beneath the Northeast Indian Ocean as sampled by intra-plate volcanism at Christmas Island. Lithos, 262. 561-575 doi:10.1016/j.lithos.2016.07.027 | Journal (article/letter/editorial) | | as sampled by intra-plate volcanism at Christmas Island Rajat Taneja, Tracy Rushmer, Janne Blichert-Toft...as sampled by intra-plate volcanism at Christmas Island, LITHOS (2016), doi: 10.1016/j.lithos.2016.07.027...sampled by PT intra-plate volcanism at Christmas Island SC RI Rajat Taneja1*, Tracy Rushmer1, Janne...volcanic island groups. While the Cocos (Keeling) Archipelago is a coral atoll, TE Christmas Island is the...the only sub-aerially exposed volcanic island and contains Late Cretaceous, Eocene and Pliocene lavas |  | | Journal (article/letter/editorial) | | and mineral waters from Monte Vulture volcano, Italy—Maurizio Barbieri and Marco Morotti 117 Uranium-series...Geodynamic modelling of the Century deposit, Mt Isa Province, Queensland—A. Ord, B.E. Hobbs, Y. Zhang, G.C...needles of Pinus pinea L. from the city of Palermo (Italy)—G. Dongarrá, D. Varrica, and G. Sabatino 109 Vol...Banting Group, Yellowknife greenstone belt, Slave Province, Canada: simultaneous melting of the upper mantle...Serra Pelada Au-Pd-Pt deposit, Carajás mineral province, northern Brazil— Alexandre Raphael Cabral, Bernd |
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