 | | Journal (article/letter/editorial) | | typically formed when deposits containing primary copper sulfides are exposed to near-surface weathering...the voluminous literature describing the worldâs copper-bearing ore deposits testifies. Nevertheless, fine...periods when some chance discovery in an active mine makes them briefly available to collectors. Chalcocite...is commonly massive and foliated. Covellite is copper sulfide (CuS) with small amounts of iron often...reported. It forms from the alteration of a variety of copper minerals and as pseudomorphs after chalcopyrite |  | | Report (issue) | | in sulfide copper deposits. Rarely of primary hydrothermal origin. Widespread in most copper deposits;...material. In Italy, from Vesuvius, Campania [TL] and as large crystals from the Calabona mine, Alghero, Sardinia...Kedabek, Caucasus Mountains, Russia. In the Bou-Skour mine, Bou Azzer district, Morocco. In the USA, from Butte...in most porphyry copper mines in Arizona. In the Sierra de Famatina, La Rioja Province, Argentina. Name:... Mineral Museum, University of Naples, Naples, Italy, 12338. References: (1) Palache, C., H. Berman |  | | Report (issue) | | Piedmont, Italyâand some are from unique but fairly familiar findsâboleite from the Amelia mine, Baja California...====ï„ Sapphirine, 3 cm, from Androy, Toliary Province, Madagascar. The Arkenstone specimen and photo...mining area, HerrerĂa-ValdĂĄliga-Rionansa, Santander Province (region of 4 ï„===============================...classicâwitness (below) the galena from the Dörnberg mine, Ramsbeck district, Nordrhein-Westfalen, Germany...recent finds on the dumps of the old La Vidale lead mine, BrĂ©ziĂšs, AspriĂšres, Aveyron, France, there is this |  | | Report (issue) | | widespread mineral, may be an important ore of copper, but not commonly well-crystallized. Only a few...La Rioja Province. In the Philippine Islands, at Mancayan, Luzon. From the Chinkuashi mine, Keelung,...Kaize-mura, Nagano Prefecture, and in the Teine mine, Hokkaido, Japan. In the USA, in splendent crystals...Tirol. From Bor, Serbia. In Italy, on Sardinia, at Alghero and Calabona. At Tsumeb, Namibia. Name: From |  | | Journal (article/letter/editorial) | | Hydrothermal Evolution in the Calabona Porphyry CopperSystem (Sardinia, Italy): The Pathto an Uneconomic... Montreal, Quebec, CanadaH3A2A7 Abstract The Calabona porphyry coppersystem is developed in a small...dacitic intrusion located in northwestern Sardinia (Italy).Earlyhydrothermal alteration produced a potassic...alteration. The earliest fluidthatcirculated in the Calabona porphyry complex hadhighsalinity (40-60 wt % NaC1...fluids, whichcaused phyllic alteration andintense copper leaching. Lateboiling in theapical partsof thephyllicalteration |  | | Journal (article/letter/editorial) | | Lattanzi Epithermal precious metal deposits of Italy±an overview Received: 13 October 1998 / Accepted:...view of Italy. It was only in the late 1980s that two districts were recognized, in Sardinia and southern...UniversitaĂ di Cagliari, via Trentino 51, Cagliari, Italy alent). The onset of (presumably meteoric) hydrothermal...records and/or exploration potential are in Spain, Italy, Yugoslavia, Hungary, Bulgaria, Slovakia, Ukraina...in Italy was neglected until the late 1980s, when two main districts were recognized in Sardinia and |  | | Report (issue) | | and in hydrothermal veins, typically related to copper deposits. In sedimentary rocks, including chalk...Republic. In the Calabona mine, Alghero, and the Rosas mine, Sulsis, Sardinia, Italy. At Laurium, Greece...Wheal Hamblyn, Devon, England. At the Chessy copper mine, near Lyons, Rh^one, France. In the USA, from...from Bisbee, and the Maid of Sunshine mine, Gleeson, Cochise Co., Arizona; from Kelly, Socorro Co., New |  | | Journal (article/letter/editorial) | | CALABONAINTRUSIVE COMPLEX (SARDINIA,ITALY): EVIDENCE FOR A PORPHYRY COPPER SYSTEM MMUA LUCE FREZZOTYI...Scienze dellaTerra,via delleCerchia3, 53100Siena,Italy Introduction Europeanplate,whichstartedin the Late...Calabonasubvolcanic complex.Theseinvestiga- In western Sardinia,sparseore mineral occurwith thesemid-Tertiarymagtionshaveled...copperdepositwhichshowsseveralpeculiarcharaciron, and copper oxides, which are found both in teristicsdueto...distributedstockworkveins crosscuttingthe northwesternSardinia(Italy), approximately3 km volcanicformations(Cocozzaet |  | | Journal (issue) | | Like the alloy brass, it is made up of the metals copper and zinc. Aurichalcite crystals are never very...(a mass of small cavities), from Cagliari, Sardinia, Italy. Right: Needle-shaped crystals of aurichalcite...exclusively in zones where deposits of zinc and copper have been transformed by waters that are rich in...Zaire, and in various parts of F ranee, Greece, Italy and Russia. FACT Above: An example of aurichalcite...member of the carbonate group. It contains zinc and copper. In its crystal form it is always coloured sky |  | Orgeval, J. J., Caron, C., Lancelot, J., Omenetto, P., Gandin, A., LibertĂ , A., Courjault RadĂ©, P., Tollon, F., Laurent, Ph., Maluski, H., BĂ©ziat, P., Salpeteur, Y., Sini, G., Elter, F.M., Baratto, M. (2000) Genesis of polymetallic and precious-metal ores in the Western Mediterranean province (CĂ©vennes, FranceâSardinia, Italy) Applied Earth Science, 109 (2) 77-94 doi:10.1179/aes.2000.109.2.77 | Journal (article/letter/editorial) | | in the Western Mediterranean province (CĂ©vennes, Franceâ Sardinia, Italy) Downloaded by [Laurentian University]...Lower Palaeozoic Iglesiente domain of southwest Sardinia and the southern CĂ©vennesâMontagne Noire Variscan...gold province of Sardinia is genetically quite distinct from the Palaeozoic leadâzinc province of Iglesiente...(southern CĂ©vennes, Montagne Noire) and southwestern Sardinia (IglesienteâSulcis). Essentially Cambro-Ordovician...attractive example54 and the Tertiary gold of western Sardinia is a new, economically interesting discovery.77a |  | | Journal (article/letter/editorial) | | Summary Arsenian goldfieldite from the Marian Gold Mine, Philippines, which is hosted by the Cordon Syenite...vein systems at Butte are associated with porphyry copper mineralization. Zusammenfassung Zusammensetzung...die vererzten G~inge von Butte sind an "porphyry copper"Vererzungen gebunden. 146 U. Knittel Introduction...(1907), who investigated ores from the M o h a w k Mine, Goldfield, Nevada. An analysis by Palmer, published... / I b-'\\,7/ ,j _/ t't l/ \ / M ar ia, Gold Mine / t S c. [ { ~ / //"'~- ,J/ ~// , /"// |  | | Journal (article/letter/editorial) | | goldfieldite-tetrahedrite minerals from the Iriki mine, Japan MASAAKI SHIMIZU University Museum, University...goldfieldite-tetrahedrite series minerals from the Iriki mine in Japan are reported for the frst time. The compositional...goldfieldite-tetrahedrite series, coupled substitutions, Iriki mine, Japan. Introduction THE tetrahedrite structural...Kawazu, Japan in Kato and Sakurai, 1970; from Sardinia in Frenzel et al., 1975; from U.S.S.R. in Tsepin...goldfieldite-tetrahedrite series minerals from the Iriki mine, Kagoshima Prefecture, Japan, and discusses the |  | | Journal (article/letter/editorial) | | February 2011 Article Chemical state of arsenic and copper in enargite: evidences from EPR and X-ray absorption...interpreted assigning the monovalent (+1) state to copper, pentavalent (+5) to arsenic, and divalent (â2)...spectra at the Cu K-edge for enargite and other copper sulphides show the expected affinities between...enargite is consistent with the presence of monovalent copper, in spite of some small differences with respect...economic and environmental interest. It can be a copper ore, but more often it is regarded as a threat |  | Lustrino, Michele, Fedele, Lorenzo, Agostini, Samuele, Di Vincenzo, Gianfranco, Morra, Vincenzo (2017) Eocene-Miocene igneous activity in Provence (SE France): 40Ar/39Ar data, geochemical-petrological constraints and geodynamic implications. Lithos, 288. 72-90 doi:10.1016/j.lithos.2017.07.008 | Journal (article/letter/editorial) | | UniversitĂ di Roma - P.le A. Moro 5, NU 00185, Roma (Italy) 2 = Istituto di Geologia Ambientale e Geoingegneria...UniversitĂ di Roma - P.le A. Moro 5, 00185, Roma (Italy) 3 = Dipartimento di Scienze della Terra, dellâAmbiente...Federico II - Via Cupa Nuova Cinthia 21, 80126 Napoli (Italy) TE 4 = CNR - Istituto di Geoscienze e Georisorse...Georisorse, CNR, Via Giuseppe Moruzzi 1, 56124, Pisa (Italy) CE P * = corresponding author: michele.lustrino@uniroma1...Ma) late Eocene-middle Miocene T magmatism of Sardinia. The genesis of dacitic rocks cannot be accounted |  | | Journal (article/letter/editorial) | | Life Sciences, University of Genoa, 16132 Genoa, Italy; gaggero@dipteris.unige.it (L.G.); foxy25@hotmail...complex of S. Francesco of Castelletto (Genoa, Italy) preserve traces of varicolored paint layers. Microscopic...continental (Hungary and France) and maritime (Sardinia, Cyprus, or Veneto) routes between the 13th and...complex of S. Francesco of Castelletto (Genoa, Italy), were catalogued: the typological and stylistic...Life Sciences (DISTAV) of the University of Genoa, Italy. Microphotographs were acquired with an optimized |  | | Journal (article/letter/editorial) | | effect of [NaOH] on obliquity, 455 Alice Louise mine, Plaine des Pirogues, New Caledonia, chrome-picotite...analogue, 78 Ankerite, Scotland, 119 Anna Madeleine mine, Plaine des Lacs, New Caledonia, olivine, chrome-picotite...crystallizing from melted lavas at high pressures, 768; Italy, anal., hourglass zoning in, 32i; Spitzbergen, anal...fluorite containing Mn impurities, 705 Bambollita mine, Moctezuma, Sonora, Mexico, cesbronite, 744; quetzalcoatlite...effect on crystallization of, 64I Bauzot uranium mine, Issy l'l~v6que, Sa6ne-etLoire, France, fluorite |  | Di Benedetto, Francesco, Borgheresi, Miria, Caneschi, Andrea, Chastanet, Guillaume, Cipriani, Curzio, Gatteschi, Dante, Pratesi, Giovanni, Romanelli, Maurizio, Sessoli, Roberta (2006) First evidence of natural superconductivity: covellite. European Journal of Mineralogy, 18 (3) 283-287 doi:10.1127/0935-1221/2006/0018-0283 | Journal (article/letter/editorial) | | UniversitaÌ di Firenze, Via G. La Pira, 4, 50121 Firenze, Italy *Corresponding author, e-mail: dibenefr@geo.unifi...Via della Lastruccia, 3, 50019 Sesto Fiorentino, Italy Abstract: The singular conductive properties of...natural hexagonal covellite lamellae coming from Calabona (Italy) and Butte (USA), respectively, were investigated...Earliest systematic studies revealed that synthetic copper sulphide, CuS, undergoes a transition to a superconducting...technological applications and the research on copper sulphide was progressively abandoned, even if actually |  | | Book (volume) | | to try to list all of the mining geologists and mine managers who made these visits possible and who...Netherlands-Extreme Western Germany, Switzerland, and Italy. Volume V (or Volume III, Part III) will take up...current electoral and administrative departments. In Italy the deposits are listed alphabetically, except for...CI ion can be removed from its association with copper, this reaction also_demonstrates that 1 the electrons...another mineral that contains both valences of copper; this is iron-free tetrahedrite: (3) 12Cu+2 + |  | | Journal (article/letter/editorial) | | chlorite, muscovite, 429 Groverake mine, Rookhope, Weardale, Durham, copper, copiapite, 244 Meldon, Devon...lepidolite, 289 Derbyshire Cobbler mine, Bonsall, fluorite, 4oi Jughole mine, Masson Hill, Matlock, fluorite...fluorite, baryte, 81 I Ladywash mine, Eyam, fluorite, 4Ol Mare Tot mine, Castleton, fluorite (Blue John), 363...Masson Hill, Matlock, fluorite, baryte, 81 I Oxclose mine, Masson Hill, Matlock, fluorite, baryte, bravoite...(in railway tunnel), 818 France Bauzot uranium mine, Issy l't~v~que, Sa6ne-etLoire, fluorite, 4oi Mont |  | | Journal (article/letter/editorial) | | degli Studi di Siena, Via Laterina 8, 53100 Siena, Italy Received 29 July 1999; accepted 26 April 2000 Abstract...Ćœmaximum depth 500 m. of Calabona microtonalite porphyry-copper deposit ĆœSardinia, Italy. revealed the presence...phenocryst from a microtonalite porphyry copper, Calabona, Sardinia, Italy. The inclusion is well preserved and...quartz crystal from the Mt. Genis granite, Sardinia, Italy. The inclusion is completely recrystallised...inclusion from granite of the Arburese complex, Sardinia Italy. The inclusion appears almost black and it |  | | Journal (article/letter/editorial) | | Svecofennian volcano-sedimentary rocks. The main copper mineralization, which occurs as disseminations...igneous activity. Fluid inclusions in six samples of copper-mineralized quartz veins record the presence of...composed of almost pure CO2, interacted with the copper-rich system during a post-ore event. The Aitik...Aitik deposit Ă Copperâgold ores Ă Fluid inclusions Ă Northern Norrbotten ore province Ă Sweden Introduction...Aitik is Swedenâs largest copper mine and one of Europeâs most important copper producers. At the end of |  | | Journal (issue) | | JEWELRY COVELLITE Marveling Over Mysterious âIndigo Copperâ + ANCIENT BEADS Evidence of Commonality Among... On The Cover Covellite specimen, Calabona Mine, Sardinia, Italy (ROB LAVINSKY, The Arkenstone/iRocks...(and a few other fortunate campers) to a diferent mine and teach us the techniques of mining there. hey...distant mountains, a lake, and a tiny town. At the mine hauled out various screens of diferent diameters...Leatherman T he distinction of one of the toughest copper minerals to find probably belongs to covellite |  | | Book | | with Orbis Publishing Limited abcdefgh Printed in Italy by IGDA, Novara Adapted from the original Italian...colemanite 54, 54 columbite 36 copiapite 61 copper 4, 5 copper vitriol 59 coquimbite 60 cordierite 95 ...elements (cations)*, such as iron, magnesium, zinc, copper, lead, sodium, and potassium, they have very few...first containing only native elements such as copper, silver, and so on. After this we go on to more...dozen of them and some, such as gold, silver, and copper, have played an important part in the history of |  | Ruggieri, Giovanni, Lattanzi, Pierfranco, Luxoro, Silvana S., Dessi, Roberto, Benvenuti, Marco, Tanelli, Giuseppe (1997) Geology, mineralogy, and fluid inclusion data of the Furtei high-sulfidation gold deposit, Sardinia, Italy. Economic Geology, 92 (1) 1-19 doi:10.2113/gsecongeo.92.1.1 | Journal (article/letter/editorial) | | Dataof the FurteiHigh-Sulfidation GoldDeposit,Sardinia, Italy GIOVANNI lqUGGIERI, InstitutoInternazionale...Ricerche Geotermiche, CNR,PiazzaSolferino 2, 56100Pisa,Italy PIERFRANCO LATTANZI, Dipartimento di Scienze dellaTerra...09127Caglian', Italy SILVANA S. LUXORO, ROBERTODESSi, Progemisa, Via Contivecchi 7, 09122Cagliari,Italy MARCO...50121Firenze,Italy Abstract Theepithermal high-sulfidation golddeposit at Furtei(Sardinia, Italy)contains...tionoccurs (Tanelliet al.,1991);in Sardinia, epithermal gold The Corsica-Sardinia microplateis a formersegmentof |  | | Journal (article/letter/editorial) | | Washington, DC 20013 pohwatp@si.edu ENARGITE Longfellow Mine, Red Mountain District, San Juan County, Colorado...tennantite from the north orebody of the Longfellow mine, Red Mountain district, San Juan County, Colorado...orthorhombic.) Enargite and luzonite are ores of copper, with enargite being the more common of the two...enargite (Palache, Berman, and Frondel 1944). The copper arsenates of the Tintic district, Utah, and of...theme of Copper Minerals, the featured specimen is from the north orebody of the Longfellow mine, Red Mountain |
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