 | | 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...mining. Theverylowconcentration of Cu in the Calabona deposit is surprising, in viewof wall-rock alteration |  | | Report (issue) | | Piedmont, Italy—and some are from unique but fairly familiar finds—boleite from the Amelia mine, Baja California...==== Sapphirine, 3 cm, from Androy, Toliary Province, Madagascar. The Arkenstone specimen and photo...mining area, Herrería-Valdáliga-Rionansa, Santander Province (region of 4 ===============================...classic—witness (below) the galena from the Dörnberg mine, Ramsbeck district, Nordrhein-Westfalen, Germany...recent finds on the dumps of the old La Vidale lead mine, Bréziès, Asprières, Aveyron, France, there is this |  | | Journal (article/letter/editorial) | | pp. 425-436 THE CALABONAINTRUSIVE COMPLEX (SARDINIA,ITALY): EVIDENCE FOR A PORPHYRY COPPER SYSTEM...Scienze dellaTerra,via delleCerchia3, 53100Siena,Italy Introduction Europeanplate,whichstartedin the Late...Calabonasubvolcanic complex.Theseinvestiga- In western Sardinia,sparseore mineral occurwith thesemid-Tertiarymagtionshaveled...distributedstockworkveins crosscuttingthe northwesternSardinia(Italy), approximately3 km volcanicformations(Cocozzaet...ofAlghero(Fig.1). Sincethepre-EtruscanandSpampanoni, The Calabona complex representsa distinct and age,the Cala |  | | Journal (article/letter/editorial) | | effect of [NaOH] on obliquity, 455 Alice Louise mine, Plaine des Pirogues, New Caledonia, chrome-picotite...Plateau, Scotland, anal., petr., relations, 62I Anhydrite, Labrador, metamorphic, 488 Anisotropy of elasticity...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 |  | | Journal (article/letter/editorial) | | gibbsite, biotite, chlorite, muscovite, 429 Groverake mine, Rookhope, Weardale, Durham, copper, copiapite,...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...Žmaximum depth 500 m. of Calabona microtonalite porphyry-copper deposit ŽSardinia, Italy. revealed the presence...from a microtonalite porphyry copper, Calabona, Sardinia, Italy. The inclusion is well preserved and consists...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 |  | | 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...east of Coimbra (N40°12 N, 8 ° 2 5 W ) in the province off Beira f Baixa and some 25 km slightly NofW...crude ore averages about 0.3 per cent of WO3. The mine can produce 2000 to 2500 tons per day of tungsten |  | | Book | | with Orbis Publishing Limited abcdefgh Printed in Italy by IGDA, Novara Adapted from the original Italian...anatase 34, 34 andalusite 78, 79 anglesite 58, 58 anhydrite 55 ankerite 44, 45 annabergite 73 anorthite...(Yugoslavia), some mines on Mount Amiata, Tuscany (Italy), and Almadén (Spain). In the United States it...Filiform silver. Nicola Secci, Sarrabus, Sardinia (Italy) Dendritic copper famous (Michigan) 1822...especially near Kimberley); diamonds from the Kimberley mine are embedded in ultrabasic blue rock called kimberlite |  | | | | Translation © Orbis Publishing Limited 1972 Printed in Italy by |GDA, Novara SBN O 85613 0001 For many years...brucite 36, 37 brugnatellite 53 anglesite 58, 58 anhydrite 55 byssolite 100 cabrerite 70, 73 ankerite 44...(Yugoslavia), some mines on Mount Amiata, Tuscany (Italy), and Almadén (Spain). In the United States it is... Filiform silver: Nicola Secci, Sarrabus, Sardinia (Italy) endritic copper rmation. Houghton fichigan)...covered with calcite. Casteltermini, Agrigento (Italy) look more different. Theirs is the most notable | | | Book | | Translation © Orbis Publishing Limited 1972 Printed in Italy by IGDA, Novara SBN O 85613 0001 For many years...anatase 34, 34 andalusite 78, 79 anglesite 58, 58 anhydrite 55 ankerite44, 45 annabergite 73 anorthite 112...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 ·elements Chemical elernents found...(Yugoslavia), son1e n1ines on Mount Amiata, Tuscany (Italy), and Almaden (Spain). In the United States it is |  | | Book (volume) | | Spain by F. Vazquez Guzman Portugal by D. Thadeu Italy by P. Zuffardi European part of the U.S.S.R. by...asbestos, talc, barite, fluorite, celesrine, gypsum, anhydrite, magnesite, bromine, bentonite, kaolin and other...Southwest Europe embraces France, Spain, Portugal and Italy. Each volume has an introductory chapter of the...Cordillera Pyreneo-Proven!yal chain Corsica and Sardinia . Mineralization in relation to tectonic evolution...Aquitaine Basin (zone E) Iron. Sulphur Gypsum and anhydrite . Phosphate Siderolithique (iron, uranium) Summary |  | | Book | | (Federal Republic of, FRG) Great Britain Ireland Italy Netherlands Norway Portugal Spain Sweden Swi~erland...Saxony, GDR llfeld, Harz, GDR Rio Marina, Elba, Italy Schneeberg, Saxony, GD R Wolfsberg, Harz, GDR Freiberg...particularly interesting collection of miners' lamps and mine surveying instruments. Ancient and mediaeval mining...worn by mine officials of Saxony on ceremonial occasions. A special attraction is a model mine, 20m below...N. from the main railway station, landmark is a mine headframe. Tues.- Fri. 8.30-17.30 hrs.; Sat.- Sun |  | | Book (edition) | | barite celestite C.A 2 .Ai.Ai'.P.P'.P' anglesite anhydrite olivine topaz rhombic prisms + pinacoids hemimorphitt...sample of scheelite, coming from Traversella (Turin, Italy), in light natural (above) and exposed Other...that a collector in the field should visit are mine dumps and quarry rubble heaps, where there will...small deposits are found near Pisa and Florence (Italy). Uses Native copper rarely occurs in large enough... lb) was mined. How- been from the Guanajuato mine (Mexico), about 500 billion kilos (460,000,000 tons) |  | | Journal (article/letter/editorial) | | The extra sulfur could be added in the form of anhydrite phenocrysts present in the rhyodacitic magma....Geological setting The FNVC is located in the Catamarca Province of northwestern Argentina, 200 km east of the...from the trench. It lies in the Sierras Pampeanas province, close to the southwestern margin of the Puna...recently been reached by drilling some 500 m below pre-mine land surface at Alumbrera (S. Brown and Minera Alumbrera...magma, or (3) it may be present in the form of anhydrite as phenocrysts in the felsic melt. Mafic melts |  | Brathwaite, R., Simpson, M., Faure, K., Skinner, D. (2001) Telescoped porphyry Cu-Mo-Au mineralisation, advanced argillic alteration and quartz-sulphide-gold-anhydrite veins in the Thames District, New Zealand. Mineralium Deposita, 36 (7) 623-640 doi:10.1007/s001260100182 | Journal (article/letter/editorial) | | argillic alteration and quartz-sulphide-gold-anhydrite veins in the Thames District, New Zealand Received:...alteration cap and epithermal quartz-sulphidegold-anhydrite veins, are telescoped within a vertical interval...quartz-sphalerite-galena-pyrite-chalcopyrite-gold-anhydritecarbonate veins occur within and around the margins...magmatic waters, whereas the quartz-sulphide-gold-anhydrite veins have lower d18Owater values (±0.6 to 0.5&)...for pyrophyllite and the quartzsulphide-gold-anhydrite veins lie about midway between the magmatic and |  | | Book | | times, and there is evidence of at least one flint mine dating from this period. Finely worked and polished...(in part); halite (rock salt) with gypsum and anhydrite; manganese sinter, iron oolites 11 chemical-organic...Calcite is deposited first, followed by gypsum, anhydrite, halite, and potash salts. Because of changing...octahedron. Elba, Italy. Below center Combined octahedral and pyritohedral faces. Elba, Italy. Below right...largest diamond ever found was the Cullinan (Premier mine, 1905), of 3,106 et., or 621.2 grams; from it were |  | | Journal (issue) | | miners drill holes in the rock at Taxco silver mine in Mexico. Right: North Sea drilling rig 'Claymore-A'...crystals set in an asbestos base from Sondrio in Italy. Actinolite has high mechanical sensitivity - this...(matrix) from Balzano, Italy. Below: Note the blackness of these crystals from Novara, Italy. ~ Actinolite forms...British Columbia (Canada), in the Alpine regions of Italy, in New Zealand, in Siberia (Russia) and in Alaska...particularly in the Ojuela result of some chemical Mine in Durango State. reaction that has occurred Significant |  | | Journal (article/letter/editorial) | | Bicocca, Piazza della Scienza 4, 20126 Milano, Italy 2 Department of Earth Sciences, University of Torino...Torino, Via Valperga Caluso 35, Torino 10125, Italy 1 Abstract This review combines fluid inclusion...mineral phase in these inclusions, although gypsum, anhydrite, and pyrite have been locally reported (Table...subordinate phases. Minor sulfates (mainly gypsum and anhydrite), or sulfides (mainly pyrite), phosphates (mainly...2.6 GPa near peak HP Omp fluid albite calcite anhydrite (Monviso) vein1 550 °C2 inclusions sphene |  | | Book | | mineral pigments. LEFT: Malachite, Bwana M’Kubwa Mine, Ndola, Copperbelt, Zambia * 22 x 26 x 16 cm 22...Namibia * 20 x 18 x 14 cm Bladed stibnite, Ichinokawa Mine, Saijo, Shikoku, Japan * 10 x 1 x 1 om Acicular...Brazil * 5 x 3 x 0.6 cm Platy muscovite, José Pinto Mine, Jaguaracu, Minas Gerais, Brazil * 12 x 19 x 6 cm...Malawi * 10 x 10 x 7 cm Calcite, San Sebastian Mine, Charcas, San Luis Potosi, Mexico * 10 x 8 x 6.5...divided by the weight of an Graphite, Black Donald Mine, Renfrew County, Ontario, Canada * 14 x 11 x 10 |  | Gu, X. X., Tang, J. X., Wang, C. S., Chen, J. P., He, B. B. (2003) Himalayan magmatism and porphyry copper-molybdenum mineralization in the Yulong ore belt, East Tibet. Mineralogy and Petrology, 78 (1) 1-20 doi:10.1007/s00710-002-0203-6 | Journal (article/letter/editorial) | | solid daughter minerals. Halite, sylvite and anhydrite are the common daughter minerals, although chalcopyrite...Ghezzo C, Stefanini B (1992) The Calabona intrusive complex (Sardinia, Italy): evidence for a porphyry copper |  | | Book | | is found Include Almaden (Spain), Monte Amlata (Italy), ldrija (Slovenia), Moschellandsberg (Germany)...(Peru). Almaden Is the oldest and largest mercury mine In the world. Hg Colour: t in-white Lustre; opacity:...Brunswick (Canada), Kern County (California, USA), Sardinia (Italy) and Sarawak (Borneo). Sb Colour: light grey...Russia, South Korea, Mexico, the Czech RepubUc and Italy. C Colour: black Lustre; opacity: dull metallic;...stannite when zinc-rich. Stannite is found at Etna Mine (South Dakota, USA), Seward Peninsula (Alaska, USA) | | | Book | | is found Include Almaden (Spain), Monte Amlata (Italy), ldrija (Slovenia), Moschellandsberg (Germany)...(Peru). Almaden Is the oldest and largest mercury mine In the world. Hg Colour: t in-white Lustre; opacity:...Brunswick (Canada), Kern County (California, USA), Sardinia (Italy) and Sarawak (Borneo). Sb Colour: light grey...Russia, South Korea, Mexico, the Czech RepubUc and Italy. C Colour: black Lustre; opacity: dull metall...stannite when zinc-rich. Stannite is found at Etna Mine (South Dakota, USA), Seward Peninsula (Alaska, USA) |  | | Journal (article/letter/editorial) | | Serrinha gold deposit in the Juruena-Teles Pires gold province is spatially and genetically related to the hydrothermal...mamoura@unb.br 0361-0128/06/3588/585-21 $6.00 gold province and is characterized by a disseminated-type granite-gold...Paleoproterozoic Gurupi belt.) The Juruena-Teles Pires gold province, from 1979 to 1997, had a cumulative production...primary gold mineralization is widespread in this province (Fig. 2), commonly hosted in Paleoproterozoic...Simplified geologic map of the Juruena-Teles Pires gold province (Botelho and Moura, 1998; Santos et al., 2001) |  | | Book | | museum quality but many minerals can be found on mine dumps or can be purchased or traded. After introducing...over its beer: to go underground in a non-working mine is sheer folly unless you are accompanied by someone...(preferably several people) who really knows the mine. Before venturing into the field serious collectors...really is a matter of life or death when you are in a mine - only a plan will show where water on the floor...even on you. If you are recovering specimens from a mine (few collectors can or should do this) watch the |  | | Book | | aurifères des roches volcaniques de Rodalquilar, Province d' Almeria. ARGENT Ag Cubique. Les cristaux nets...allongées Vue générale des installations de la mine d'or de l'entreprise nationale Adaro, à Rodalquilar...Guadalajara ; Guadalcanal, province de Séville et ceux de Las Her rerias, province d' Almeria. ELE,\J F...dans les mines de Jaroso, _Almagrcra, dans la province d'Almcria. De l'allemand W1SMUTH, d'origine inconnue...étain. Abondant en Saxe, Allemagne; à Sorata, province de La Paz, Bolivie; Kingsgate, Nouvelles Galles |
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