 | | Journal (article/letter/editorial) | | geochemistry: an example from the Sulcis (SW Sardinia, Italy) G U I L L E M G I S B E RT ā ā & D O M I N...units (sensu lato) in the Sulcis region (SW Sardinia, Italy). A protocol has been developed for unit recognition...geochemistry, ignimbrites, correlation, binary diagrams, Sardinia. 1. Introduction Ignimbrites are deposits emplaced...deposits and their correlation throughout a study area may be problematic due to: (1) irregular areal distribution... Location of Sardinia in central western Mediterranean. In Oligo-Miocene times Sardinia detached, drifted |  | | Journal (article/letter/editorial) | | Washington, DC 20013 pohwatp@si.edu Conichalcite Tsumeb Mine, Tsumeb Otjikoto Region, Namibia A n article appeared...Conichalcite on malachite, 10.5 cm across, from the Tsumeb mine, Tsumeb, Otjikoto region, Namibia. Fine spherules...green crusts of fibrous spheres at the Cap Garonne mine, Le Pradet, Var, Provence-Alpes-CĆ“te dāAzur, France...has been found as green spheres associated with quartz, goethite, monazite-(Ce), and agardite-(Y). Conichalcite...chrysocolla and cuprite has come from the Clara mine, Oberwolfach, Baden-WĆ¼rttemberg, Germany. Conichalcite |  | | Journal (article/letter/editorial) | | mineralogical evidences from Tertiary deposits of Sardinia (Italy) R. Sinisi a, P. Mameli a,ā, G. Mongelli b...UniversitĆ degli Studi di Sassari, 07100 Sassari, Italy Dipartimento di Chimica, UniversitĆ degli Studi...Basilicata, Campus di Macchia Romana, 85100 Potenza, Italy a r t i c l e i n f o Article history: Received...Geochemistry Ores Hydrothermal Marine sediments Sardinia a b s t r a c t This contribution examines two...deposits, which were exploited in the past in Sardinia. Both types are Tertiary in age, but not strictly |  | | Report (chapter) | | floods of 6ā 11 December 2004 in central-east Sardinia A. COSSU1, J. DE WAELE2 & F. DI GREGORIO3 1 Servizio...Sardegna, Viale Porto Torres 119-07100 Sassari, Italy 2 Dipartimento di Scienze della Terra e Geologico-Ambientali...UniversitaĢ di Bologna, Via Zamboni 67, 40126, Bologna, Italy (e-mail: dewaele@geomin.unibo.it) 3 Dipartimento...UniversitaĢ di Cagliari, Via Trentino 51, 09127 Cagliari, Italy Abstract: Extreme rainfall causing floods and great...damage occurred in many areas of central-east Sardinia in the period 6ā 11 December 2004. A total of |  | | Journal (article/letter/editorial) | | evolved granites in the Dahutang tungsten deposit, south ChinaāRong Yin, Li Han, Xiao-Long Huang, Jie Li...granitepegmatite-greisen system recorded by trace elements in quartz: Krupka district, eastern KruÅ”nĆ© hory/ErzgebirgeāTereza...element mineralisation in the North Atlantic Igneous Provinceā Jordan J. Lindsay, Hannah S.R. Hughes, Dermot...mineralization in the High Arctic large igneous province, Nunavut, CanadaāDerek H.C. Wilton, Benoit M....coexisting wolframite and quartz from a giant vein-type tungsten deposit, south China: Insights from detailed |  | | Book (volume) | | the Mineralogical Society and the Institution of Mining and Metallurgy publication on the ferrous, non-ferrous...Spain by F. Vazquez Guzman Portugal by D. Thadeu Italy by P. Zuffardi European part of the U.S.S.R. by...clear descriptions of the classical and producing mining districts and the larger deposits are required...interested in prospecting, by organizations requiring mining and mineral statistics, by compilers of atlases...non-specialists, who may include, for example, mining company executives, investment consultants and |  | | Journal (article/letter/editorial) | | Fission-track dating of glass inclusions in volcanic quartz Denis Vincent 1, Roberto Clocchiatti 2 and Yves...techniques to volcanic pyroclastic rocks, using quartz-bearing uranium-rich glass inclusions. We use both...both the glass itself and the surrounding quartz as track detectors, the latter having a much higher...as well as that of the most recent deposition of quartz on the walls of the inclusions. This method has...weathering processes (zircon [2], sphene, quartz), quartz has outstanding qualities: very abundant in |  | | Book (edition) | | view, a quartz crystal meter (3 1 feet) long will have the same angular measurements as a quartz millimeter...hexagonal dipyramid dihexagonal prism hexagonal prism quartz left) basal pinacoid trapezohedron HEXAGONAL...ditrigonal TRIGONAL TRAPEZOHEDRAL trapezohedron quartz cinnabar rhombohedron trigonal dipyramid ditrigonal...Schematic representation of the two structures of quartz projected down the C- or Z-axis which shows how...example, in lava it is common to find trigonal a quartz, which is stable at room temperature in its prismatic-dipyramidal |  | | Journal (article/letter/editorial) | | water determination and OHāH2O diļ¬erentiation on the area of the SiāO broad band at 468 cmā1 and the asymmetric...infrared spectroscopy requires a 20-lm diameter area and an adequate sample preparation (glass inclusion...Nancy, France). Three volcanic glasses trapped in quartz crystals of pumice falls were selected according...temperature without any shrinkage bubble. San Pietro (Sardinia, Italy, 14 million years) has a peralkaline...+ K2O>8 wt%) (Larhidi 1981). Melt inclusions in quartz from Guadeloupe (Lesser Antilles, 250,000 years) |  | Bosi, Ferdinando, Naitza, Stefano, Skogby, Henrik, Secchi, Francesco, Conte, Aida M., Cuccuru, Stefano, HĆ„lenius, Ulf, De La Rosa, Nathaly, Kristiansson, Per, Charlotta Nilsson, E.J., Ros, Linus, Andreozzi, Giovanni B. (2018) Late magmatic controls on the origin of schorlitic and foititic tourmalines from late-Variscan peraluminous granites of the Arbus pluton (SW Sardinia, Italy): Crystal-chemical study and petrological constraints. Lithos, 308. 395-411 doi:10.1016/j.lithos.2018.02.013 | Journal (article/letter/editorial) | | peraluminous granites of the Arbus pluton (SW Sardinia, Italy): Crystal-chemical study and petrological constraints...peraluminous granites of the Arbus pluton (SW Sardinia, Italy): Crystal-chemical study and petrological constraints...peraluminous granites of the Arbus pluton (SW Sardinia, Italy): PT crystal-chemical study and petrological...di Roma, Piazzale Aldo Moro, 5, I-00185 Rome, Italy. Dipartimento di Scienze Chimiche e Geologiche...- UniversitĆ degli Studi di Cagliari, Cagliari, Italy. c CNR-Istituto di Geologia Ambientale e Geoingegneria |  | | Journal (article/letter/editorial) | | titaniferous iron ore after rutile. Colourless massive quartz with conchoidal fracture is the most frequent of...which are surrounded by the graphite. Granular quartz is of rarer occurrence. I n two specimens, the...the Sjo Mine, Sweden. BY L. J. IGELSTR~JI (Jahrb. f.Min., 1887, ii, Mem., 8--ll).-The Sjo mine, in the...parish of Grythyttan, Oerebro, Sweden, is a small mine only a few fathoms in depth. Exploratory morkings...ore deposit exteuds for a considerable length. The mine is a very ancient one, and, after having been abandoned |  | Lustrino, Michele, Fedele, Lorenzo, Melluso, Leone, Morra, Vincenzo, Ronga, Fiorenzo, Geldmacher, Jƶrg, Duggen, Svend, Agostini, Samuele, Cucciniello, Ciro, Franciosi, Luigi, Meisel, Thomas (2013) Origin and evolution of Cenozoic magmatism of Sardinia (Italy) A combined isotopic (SrāNdāPbāOāHfāOs) and petrological view. Lithos, 180. 138-158 doi:10.1016/j.lithos.2013.08.022 | Journal (article/letter/editorial) | | Origin and evolution of Cenozoic magmatism of Sardinia (Italy). A combined isotopic (SrāNdāPbāOāHfāOs) and...Roma La Sapienza, P.le A. Moro, 5, 00185 Roma, Italy CNR, Istituto di Geologia Ambientale e Geoingegneria...Roma La Sapienza, P.le A. Moro, 5, 00185 Roma, Italy Dipartimento di Scienze della Terra, dell'Ambiente...Federico II, Via Mezzocannone, 8, 80134, Napoli, Italy d GEOMAR - Helmholtz Centre for Ocean Research Kiel...Georisorse, Via Giuseppe Moruzzi, 1, 56124 Pisa, Italy g MontanuniversitƤt Leoben, General and Analytical |  | | | | Translation Ā© Orbis Publishing Limited 1972 Printed in Italy by |GDA, Novara SBN O 85613 0001 For many years...34 oligist 27 olivenite 65, 65 olivine 75, 75 quartz, smoky 31 realgar 18, 19 rhaetizite 79 rhodizite...variscite 69, 70 quartz 28, 31, 95 quartz, amethyst 29, 31 quartz, quartz, quartz, quartz, aventurine 31...deposits have been found in the Precambrian Shield area of central Canada and the northern United States...(Yugoslavia), some mines on Mount Amiata, Tuscany (Italy), and AlmadĆ©n (Spain). In the United States it is |  | | Book | | with Orbis Publishing Limited abcdefgh Printed in Italy by IGDA, Novara Adapted from the original Italian... /2 quartz 28, 31, 95 nepheline /09, 111 quartz, amethyst 29, 31 quartz, aventurine 31 quartz, citrine...nesosilicates 75 quartz, rutilated 31 nemalite 37 neptunite 89, 90 quartz, morion 31 quartz, smoky 31 realgar...deposits have been found in the Precambrian Shield area of central Canada and the northern United States...(Yugoslavia), some mines on Mount Amiata, Tuscany (Italy), and AlmadĆ©n (Spain). In the United States it | | | Book | | Translation Ā© Orbis Publishing Limited 1972 Printed in Italy by IGDA, Novara SBN O 85613 0001 For many years...12, 12 quartz 28, 31, 95 quartz, amethyst 29, 31 quartz, aventurine 31 quartz, citrine 3J quartz, morion...morion 31 quartz, rutilated 31 quartz, smoky 31 realgar 18, l 9 rhaetizite 79 rhodizite 55 rhodocrosite...59 zippeite 62 zircon 77, 78, 78 zoisite 88 THE MINE LKINGDOM All physical bodies in Nature can be...or slightly rotated Vitreous. Like glass 3 THE MINE Class I: native Ā·elements Chemical elernents found |  | | Report (chapter) | | buildings in the historical centre of Turin (NW Italy): architectonical survey and petrographic characterization...Torino, Italy 2 Museo Regionale di Scienze Naturali di Torino, Via Giolitti, 36-I-10123 Torino, Italy 3...Georisorse, Via Valperga Caluso, 35-I-10125 Torino, Italy *Corresponding author (e-mail: alessandro.borghi@unito...Abstract: One of the peculiarities of Turin (NW Italy) lies on the presence of monumental arcades which...Mediterranean area (Fiora et al. 2002). In particular, in the Piemonte region (NW Italy), the stone has |  | | Journal (article/letter/editorial) | | gain some importance in the rhyolites of SuMs (Sardinia) and above all in the associated volcanic-sedimentary...liparites compactes, rosfitres, ~ ponces noires, ~ San-Pietro C: commendites holocfistallines ~t vitroclastiques...Brocq (BRousst~ et VAR~T 1966). A Cala Lunga de San Antioco, la mindralisation se pr~sente encore en...manganese dans les liparites ~4. Punta Nera. San Pietro. Ć 0,6 Le gisement de Capo Becco-Capo RossoBruncu...Analyste: Mine A. Rosier, Laboratoire des Sciences de la Terre, Reims. San Pietro. SA: San Antioco, saul |  | | Journal (article/letter/editorial) | | Scienze della Terra, Via Laterina 8, 53100 Siena, Italy UMR 514, 13, rue du long foin, Sainte GeneviĆØve...archaeocyath settings by geologists working in USA, Sardinia, Russia, and Australia. Archaeocyatha and associated...been recently applied to La Sentinella reef in Sardinia (Fig. 3): the different sedimentological and fossil...Toyonian (Tianheban Formation) China Yangtze Province Debrenne et al. (1991) Botoman (XiannĆ¼dong Formation)...Formation) Atdabanian (Issendalenian) China Shaanxi Province Morocco N. Anti-Atlas Yuan et al. (2001) Botoman |  | | Journal (article/letter/editorial) | | ramp calcarenites and mixed deposits (Salento, SE Italy) A. DāAlessandro a,*, F. Massari b, Eric Davaud...Campus Universitario, via Orabona 4, 70125, Bari, Italy b Dipartimento di Geologia, Paleontologia e Geofisica...UniversitaĢ di Padova, via Giotto 1, 35100 Padua, Italy c DeĢpartement de GeĢologie et PaleĢontologie, UniversiteĢ...Torino, Via Accademia delle Scienze 5, 10123 Turin, Italy Received 4 October 2002; received in revised form...small Novoli graben (Salento peninsula, Puglia, S-Italy). They consist of carbonate and mixed carbonate-siliciclastic |  | | Journal (issue) | | lepidolite and quartz, 4.5 cm, a historic specimen from the Grotta d'Oggi, Elba, Italy. Federico Pezzotta...Allison Megaw(2021) SPONSORING ORGANIZATIONS Houston Area Mineral Society(HAMS)(2009-2022) Mineral Association...he was born on May 5, 1933. Limousin is a rural area with many quarries and mines rich in minerals, such...as Chanteloube (beryls) and Compreignac (smoky quartz). His interest blossomed after visĀ iting the Gallery...missions, as well as others in Brazil, Greece and South Africa, the Sorbonne collection acquired numerous |  | | Journal (article/letter/editorial) | | namely, of quartz and felspar, beryl and felspar, quartz and muscovite, quartz and tourmaline, quartz and calcite...bright crystals, associated with quartz and pyrites, from the Independence mine a t Cripple Creek. The colour... L J. S. Nickeliferous Opal from Tamworth, New South Wales. By DONALD A . PORTEE (PTOC. Roy. SOC. N.S... L. J. S. M i n e r a l s of the Island San Pietro, Sardinia. By SOLINANN BERTOLIO (Zed. lilryst. Min...felspar (anorthoclase, oligoclase, labradorite), quartz, opal, tridymite, amphibole (arfvedsonite), barytes |  | | Journal (article/letter/editorial) | | pantellerites from Pantelleria and two comendites from Sardinia show high concentrations of B, Be, Ga, La, Mo...Lab. No. D101320) from Capo Sandalo, Isola San Pietro, Sardinia (Chayes & Zies, 1964). Joseph Haffty, analyst...Lab. No. D1O1321) from La Fontane, Isola San Pietro, Sardinia (Chayes, et al. 1962). Joseph Haffty, analyst...separation of crystalline phases, mainly feldspar and quartz, that are relatively impoverished in these elements...hyalopantellerites from Pantelleria* Specimen No. 1 Quartz Alkali feldspar Clinopyroxene Cossyrite Opaque |  | | Journal (article/letter/editorial) | | Pavia, Italy Centro Grandi Strumenti, UniversitĆ di Pavia, via Bassi 21, I-27100 Pavia, Italy Department...Micromineralogica Italiana, via San Pietro 55, I-10073 Devesi-CiriĆ©, Italy [Received 16 October 2017; Accepted...epidote and amphibole. Landward of LĆ¼deritz, the quartz content increases at the expense of volcanic detritus;...passive margin during Early Cretaceous rifting of the South Atlantic, and extends for nearly 600 km along the...highlands of Lesotho and flows into the ocean 300 km south of LĆ¼deritz, to which sands are dragged by vigorous |  | | Report (chapter) | | University of Bologna, Via Zamboni 67, 40127 Bologna, Italy *Corresponding author (e-mail: rossella.capozzi@unibo...performed at the ENI-Agip Division laboratory at San Donato Milanese. The depth interpretation of the... Salsomaggiore Local geological setting In the area of Salsomaggiore, located between Parma and Piacenza...ions that is unique among the known cold vents of Italy. The reservoir is a lower Miocene foredeep succession...sections: A: Salsomaggiore; B: Regnano; C: Castel San Pietro; D: Castrocaro; E: Porretta. Downloaded from |  | | Report (issue) | | discussion of chemical analyses of peralkaline, quartz-normative obsidians, the nature of chemical variation...sum of normative femics plotted against normative quartz for all analyses of comenditic and pantelleritic...varieties closely similar to those from the type area, Pantelleria. Though data are still very scarce...especially those with less than 20 percent normative quartz. We have attempted to collect suitable specimens...of peralkaline rocks those containing normative quartz. 1 Department of Environmental Sciences, University |
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