 | | 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) | | 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 |  | | Journal (article/letter/editorial) | | augite, biotite, epidote, hornblende, ilmenite, sphene, 857 Bygland, Setesdal, branite, biotite, garnet...(weathered), kaolinite, gibbsite, biotite, chlorite, muscovite, 429 Groverake mine, Rookhope, Weardale, Durham...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 |  | | Journal (article/letter/editorial) | | Summary Arsenian goldfieldite from the Marian Gold Mine, Philippines, which is hosted by the Cordon Syenite...(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/ ~// , /"// ...(1975) provided an analysis ofgoldfieldite from Sardinia. More recently, Tsepin et al. (1977), Spiridonov...goldfieldite and tellurian tennantite from the Marian Gold Mine (northern Luzon, Philippines; Fig. 1), which, in |  | | Journal (article/letter/editorial) | | effect of [NaOH] on obliquity, 455 Alice Louise mine, Plaine des Pirogues, New Caledonia, chrome-picotite...orthoclase perthite, plagioclase, hornblende, biotite, pyroxene, almandine, 8o7 Amethyst, Western Deccan...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 |  | 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) | | Università di Roma - P.le A. Moro 5, NU 00185, Roma (Italy) 2 = Istituto di Geologia Ambientale e Geoingegneria...Università di Roma - P.le A. Moro 5, 00185, Roma (Italy) 3 = Dipartimento di Scienze della Terra, dell’Ambiente...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) | | disseminations and veinlets, is hosted by garnet–biotite schist. Subeconomic mineralization in the footwall...footwall to the ore is hosted by feldspar–biotite–amphibole gneiss and porphyritic quartz monzodiorite. The...Norrbotten ore province Æ Sweden Introduction Aitik is Sweden’s largest copper mine and one of Europe’s...had been produced since mining began in 1968. The mine has a remaining reserve of 226 Mt of ore with an...of Gällivare, in the northern Norrbotten ore province (Fig. 1). Several other epigenetic copper–gold |  | | 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...beudantite 58 corundum 25, 25 cornetite 66, 66 biotite 80, 104 covellite 8, 8 betafite 28 binnite 11...(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 |  | | Journal (article/letter/editorial) | | Early Oligocene Aveto-Petrignacola Formation (N Italy) Michele Mattioli a, Michele Lustrino b, c,⁎, Sara...‘Carlo Bo’, Campus Scientifico Sogesta, 61029 Urbino, Italy Dipartimento di Scienze della Terra, Università...Roma La Sapienza, P.le A. Moro, 5, 00185 Roma, Italy c Istituto di Geologia Ambientale e Geoingegneria...Roma La Sapienza, P.le A. Moro, 5, 00185 Roma, Italy d Dipartimento di Scienze della Terra, Università...Saragat, 1, 44100 Ferrara, Italy e Istituto di Geoscienze e Georisorse-CNR, Pisa, Italy b a r t i c l e i |  | | Book (volume) | | Spain by F. Vazquez Guzman Portugal by D. Thadeu Italy by P. Zuffardi European part of the U.S.S.R. by...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...Elisa and Dorinda Barruecopardo Golpejas or Bellita mine Morille-Martinamor El Cubito El Trasqui16n. Santa...Baixo Tejo and Sado Basins Silica sand deposits Italy by P. Zuffardi Introduction Geological setting Stratigraphy |  | | Book (edition) | | iron and also certain iron-bearing silicates (biotite, hornblende, black tourmaline, etc.) can be magnetized...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) |  | | | | Translation © Orbis Publishing Limited 1972 Printed in Italy by |GDA, Novara SBN O 85613 0001 For many years...112, 1/3 betafite 28 beudantite 58 binnite 11 biotite 80, 104 bismuthides 8 bismuthinite /4, 15 blende...(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...beryl 92, 93 betafite 28 beudantite 58 binnite 11 biotite 80, I04 bismuth ides 8 bismuthinite 14, 15 blende...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 |  | 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) | | Ma. The porphyries are mainly of biotite monzogranitic and biotite syenogranitic compositions. Geological...Hydrothermal alteration at Yulong developed around a biotite±monzogranitic porphyry stock that was emplaced...mineralization. K±Ar isotopic ages of K-feldspar and biotite range from 230 to 85 Ma (Tang and Luo, 1995). Himalayan... Porphyry copper±molybdenum mineralization 5 biotite monzogranite, through quartz monzogranitic porphyry...km2. Based upon 30 K±Ar dates for K-feldspar and biotite, the intrusion ages vary between 57 and 26 Ma (Tang |  | | Journal (article/letter/editorial) | | hematite, magnetite, ferropyrosmalite, stilpnomelane, biotite,sphene, quartz,andapatite, whicharemostcommon in...because * Present address: Asarco, Inc.,Sweetwater Mine,Route1, Box416,Ellingit contains transparent fluoritethatshould...Quartz Ferropyrosmalite Siderite Stilpnomelane Biotite LateAlteration libriumassemblages (Fig.6A).Fayalitecontains...below.Fayalite,ilmenite,andfluorite stilpnomelane, biotite,hematite, siderite, sphene, quartz,apaTheseminerals...Naslund(1983) i•, __/ '•.•_.•, ß Vergenoeg [] Calabona haveobserved silicate-iron oxideimmiseibility |  | | 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 | | 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 |  | | Journal (article/letter/editorial) | | 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...approximately steady extrusion + magnetite ± amphibole ± biotite as the main pherate of basaltic andesite and andesite...2 million years between 9.7 Ma and 7.5 Ma. Biotite- Biotite appears as a major phenocryst phase in stocks |  | | 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 |  | | 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 |  | | Book | | times, and there is evidence of at least one flint mine dating from this period. Finely worked and polished...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...time. Very few pipes are worth working. The Premier mine produces 1 million carats a year. Alluvial deposits:...Hematite, iridescent tarnished crystals. Elba, Italy. Ct11ter left Botryoidal, massive to finely fibrous |  | | 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) |  | Santana, Miriela María Ulloa, Moura, Márcia Abrahão, Olivo, Gema R., Botelho, Nilson Francisquini, Kyser, T. Kurtis, Bühn, Bernhard (2011) The La Unión Au ± Cu prospect, Camagüey District, Cuba: fluid inclusion and stable isotope evidence for ore-forming processes. Mineralium Deposita, 46 (1) 91-104 doi:10.1007/s00126-010-0313-8 | Journal (article/letter/editorial) | | the latest Ar-Ar cooling ages in hornblende and biotite around 72–75 Ma (Hall et al. 2004; Kesler et al...Post-arc volcanic units include the La Sierra (biotite and K-feldspar Ar-Ar age of 71–75 Ma; Hall et al...Hydrothermal evolution in the Calabona Porphyry Copper System (Sardinia, Italy): the path to an uneconomic |
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