 | | Journal (article/letter/editorial) | | Isotope systematics in vein gold from Brusson, Val dâAyas (NW Italy), 1. Pb/Pb evidence for a Piemonte metaophiolite...study on an important one of these veins, Fenilia (Brusson, Val dâAyas), which reveals a complex isotope geochemistry...upper Penninic nappe complex through the Arcesa-Brusson window with selected vein gold occurrences of the...profile plane. Gold veins are: Fenilia in the Arcesa-Brusson window,framed, S= Val Sesia; A = Valle Anzasca;...locations refer to Curti ( 1987, his fig. 1). ARF = Aosta-Ranzola Fault. The stur gives the approximate location |  | | Journal (article/letter/editorial) | | June-July,1997 No. 4 Oligocene GoldQuartzVeinsat Brusson, NW Alps: Sr Isotopes Tracethe Sourceof Ore-Bearing...tracethe sourceof the ore-bearing fluidat the Brusson loe'ality andto testcurrentgeneticmodels,130RbSr...ruleoutthreeof thepreviously proposed sources for the Brusson fluids:(1) metamorphic devolatilization of paragneisses...syenogranitic intrusions thatcropout 18 km southeast of Brusson havesimilarSrâą,it,.âąl valuesandarecoevalwiththe...fluidsin the Oligoeene gold-bearing quartzveinsat Brusson, 0361-0128/97/1925/389-1756.00 389 390 PETTKE |  | | Journal (article/letter/editorial) | | PAGANO PO Box 37 Via Oggioni 76 I-20092 Cinisello, Italy renpagan@gmail.com Figure 1 (left). Tiziano Bonisoli...The Tiziano Bonisoli COLLECTION Turin (Torino), Italy Dr. Renato Pagano is a lifelong collector of rare...terminated gem crystal, 13.0 Ă 2.5 cm, from the JaquetĂŽ mine, Medeiros Neto, Bahia, Brazil. Bonisoli specimen...Bonisoli on the top floor of his home in Turin, Italy, is that of a Wunderkammer, an eclectic mix of natural...crystal in quartz, 7.5 Ă 6.0 cm, from the Himalaya mine, San Diego County, California. Bonisoli specimen |  | | Journal (issue) | | PRIVATE MINERAL COLLECTIONS IN ITALY WITH AN INTRODUCTION BY FEDERICO PEZZOTTA CURATOR OF MINERALOGY...JANUARY-FEBRUARY, 2011 PRIVATE MINERAL COLLECTIONS IN ITALY Participating Collectors: Marco Amabili Silvia...Aragonite, 25 cm Cozzodisi mine, Casteltermini, Agrigento, Sicily, Italy. Adalberto Giazotto collection... MINERAL COLLECTING IN ITALY )In OutCine of MINERAL COLLECTING IN ITALY Federico Pezzotta Mineralogy...literature and music, scholars and aristocrats in Italy assembled some of the first great collections of |  | | Journal (article/letter/editorial) | | ratios of fluid inclusions in a gold-quartz vein at Brusson, Val d'Ayas, northwestern Italian Alps: Comparison...ratios of fluid inclusions in a gold-quartz vein at Brusson, Val d'Ayas, northwestern Italian Alps: Comparison...Quartz from the Bechaz mesothermal Au vein at Brusson, northwestern Italian Alps, is dominated by fluid...from the Bechaz Gold Mine near Brusson, in Val d'Ayas, northwestern Italy. The mine belongs to the Monte...U S I O N S IN A G O L D - Q U A R T Z VEIN AT BRUSSON ple, the total volume of fluid contained in lowXco~ |  | | Journal (article/letter/editorial) | | Austria (in the Tauern window) and in northern Italy. The veins formed in the latter stages of uplift...sampled from B6ckstein, Austria, and Valle Anzasca, Italy have a wide variety of compositions, ranging from...Monte Rosa area in the Pennine nappes of northern Italy, and the B6ckstein veins in the Tauernfenster of...Sulphides are predominantly arsenopyrite, pyrite, galena, chalcopyrite and sphalerite. Arsenopyrite and...chalcopyrite and galena. Late stage veins containing chlorite, carbonate and galena cut the main mineralised |  | | Journal (article/letter/editorial) | | Depositsof the Upper AnzascaValley, Northwestern Alps, Italy PIER FRANCO LATTANZI, Dipartimentodi Scienzedella...Universitddi Firenze,via G. La Pira 4, 1-50121Firenze,Italy ENZO CURTI,* Institut Kristallographieund Petrographie...Universitddi Firenze,via G. La Pira 4, 1-50121 Firenze,Italy Abstract The gold depositsof the upper AnzascaValley...of the Monte Rosagold district, northwesternAlps,Italy. The mineralizationoccurswithin polymetamorphic...invariablyassociated with sulfides(pyrite, arsenopyrite,galena,sphalerite,chalcopyrite,and sulfosalts). The characteristicsof |  | | Journal (article/letter/editorial) | | associated with the Monte Rosa gold district, NW Alps, Italy P. Lattanzi Dipartimento di Scienzedella Terra,...di Firenze, via G. La Pira 4, 1-50121 Firenze, Italy Received: December 11, 1989/Accepted: July 17, 1990...arsenopyrite, and also pyrrhotite, chalcopyrite, galena, sphalerite, tetrahedrite-tennantite, marcasite...Rosa Unit; Camughera-Moncucco zone; Arceza- Brusson window; Sesia- Lanzo zone; Biella intrusion (Tertiary);...Sesia; 5 - 7 - Valle Anzasca; 8 - Val Bianca (Cani mine); 9 Valle Antrona; 1 0 - Vogogna; liVal Toppa; 1 |  | | Journal (article/letter/editorial) | | of the Monte RosaGold Lode Deposits(WesternAlps, Italy). A Comparison with ArcheanLode Deposits ENZO CURTI*...metamorphicorigin, with the notableexceptionof the Val Toppa mine, where lighter, possiblysurface-derived waterwasinvolved...andtheAosta valley tothewest. AB 1984). Intheinterpretation ofthedata, emphasis is Verbano Arceza-Brusson window...cate thelocation ofthemajor gold vein swarms. Ayas valley secGeology andMineralogy Regional geology Thewestern...2= Bâąchaz, 3=Brusson; Sesia valley sector: 4 = Piramide Vincent, 5 = Alagna; Anzasca valley sector: 6, |  | Nimis, Paolo, Omenetto, Paolo, Stasi, Giorgia, Canovaro, Caterina, Dal Sasso, Gregorio, Artioli, Gilberto, Angelini, Ivana (2018) Lead isotope systematics in ophiolite-associated sulphide deposits from the Western Alps and Northern Apennine (Italy) European Journal of Mineralogy, 30 (1) 17-31 doi:10.1127/ejm/2018/0030-2696 | Journal (article/letter/editorial) | | deposits from the Western Alps and Northern Apennine (Italy) PAOLO NIMIS*, PAOLO OMENETTO, GIORGIA STASI, CATERINA...UniversitĂ di Padova, via G. Gradenigo 6, 35131 Padova, Italy *Corresponding author, e-mail: paolo.nimis@unipd... digenite, dol dolomite, ep epidote, gn galena, hem hematite, lin linnaeite, mag magnetite...given the presence of very Pb-rich and U-Th-poor galena in most of them. Age correction for all other samples...restricted to two whole-rock samples from the Brusson area (Combin Zone) studied by Pettke & Diamond |  | | Journal (article/letter/editorial) | | silvery telluride attributed to the Boly Fields mine, Lumpkin County, Georgia, was available for $800...Tucson Gem and Mineral Show. The tiny Boly Fields mine closed about 1845, and, although the locality is...âthe Chukotka digger cooperative alone managed to mine more than 3000 nuggets in the gold-producing season... Bill Forest (former owner of the Benitoite Gem mine), Jendon Minerals, Kristalle, Stefan Stolte, and...reportedly in the Livengood area, from the Valdez Creek mine, streams in the Chicken area, and operations of |  | | Report (chapter) | | Guginock mining area to the south of the Siflitz valley (Fig. 2). In addition to these historical mining...ore showings were discovered along the Siflitz valley during fieldwork in 1995 (Fig. 2). In the Siflitz...and to the south of the eastwest-trending Siflitz valley, which marks the transition between Variscan amphibolite...vicinity of the Siflitz valley and its eastern extension, the Kaiser valley (Fig. 2). Within the area...and further towards the E N E WSW-trending Kaiser valley (Fig. 2). Semiduc- Downloaded from http://sp |  | | Journal (article/letter/editorial) | | modern. century). Calandais locatedin the Rhine valley, in the au- of the Geneva area. Placer depositsalsooccurin...calcareousAlps: Calanda, Grisons The abandonedCalandagold mine was described in the lastcentury(Kenngott,1866)...newly discoveredDisentisdeposit;Ă = city site; âą -- mine location. (Dogger) age. The emplacementof the veins...undergroundsampling in abandonedstopesand pillars of the Robert mine (Woodtli et al., 1987, p. 122) whichwasundertaken...1961) locatedmainly to the southof the Vorderrhein valley. This unit is 35 km long and 2 to 5 km wide. It |  | | Journal (article/letter/editorial) | | concentrations of individual Pb species with salinity in galena-saturated chloride solutions at 200°C and vapor...chloride species are from Seward (1984), and those for galena and S species are from Helgeson (1969). (a). Concentrations...are relatively rich in Fe and Mn, and Mississippi Valley formation waters are rather rich in Zn. At the...985 239 129 665 54 43 120 5 34.3 280 LD886 Brusson CO2-H2O fluids 100TH ANNIVERSARY SPECIAL PAPER:...might reflect Pb concentrations in feldspar or galena saturation. Where hydrothermal convection cells |  | | Journal (article/letter/editorial) | | ïŹuids in the crystalline Gran Paradiso Massif (Orco Valley, north-western Italian Alps): tectonic and geochemical...di Torino, via Valperga Caluso 35, 10125 Torino, Italy b Dipartimento di Scienze della Terra, UniversitaÌ...Ferrata 1, 27100 Pavia, Italy c SEA Consulting s.r.l., via Cernaia 27, 10121 Torino, Italy Received 7 October...handling by H. Armannsson Abstract In the Orco Valley, inside the Gran Paradiso Massif, 3 main fault... In 1999, AEM Torino S.p.A., owner of the Orco Valley hydropower plants (north-western Italian Alps) |  | | Report (chapter) | | Environmental Sciences, University of Bologna, Italy 2 Trace Element and Microanalysis Group, ETH ZuÌrich...Physics and Earth Sciences, University of Parma, Italy *Corresponding author (e-mail: paolo.garofalo@unibo...orogenic fluids. The Berezovskoye deposit With a mine history longer than 250 years and a total production...crystals. Other vein minerals are pyrite, scheelite, galena, chalcopyrite, aikinite (PbCuBiS3), tennantite-tetrahedrite...small vein deposits and the large Kanowna Belle mine (Groves et al. 1990). The deposit produced more |  | | Catalog/List | | collecting quartz in Montana, calcite in Utah, silver, galena, sphalerite, and amethyst in Creede, Colorado,...Ward Minera! on QUARTZ RHODOCHROSITE District Mine. Climax Climax olTolg-Yole Lake. County. ncredibly...years to find a specimen rhombs rhombs Climax Mine, ot rhodochrosite $50 OOU 60.000 Ex The ... 8 nn ae from the \ slight Âą « nax 1g Mine : The Kevin Ward Mineral Exceptional German...silver was found in the late 1970s at the Dukat Mine measures which is mainly known by 6 cm Ex: Helmut |  | | Journal (issue) | | mineral collecting on old dumps (quartz crystals, galena, sphalerite, chacopyrite, pyrite, calcite, dolomite);...Bolzano Province, South Tirol, Italy - Chalcanthiet, San Antonio Mine (East Camp), Santa Eulalia, Chihuahua...Chihuahua, Mexico - Malachiet (+ Calciet), Ogonja Mine, Seels, Windhoek District, Namibia - Chabaziet,...natuur historisch museum van Turijn gevonden in Brusson , Val dâAosta en Crodo, Val dâOssola zijn prachtige...La Gardette, LâOisan Frankrijk. Goud op kwarts, Aosta dal, ItaliĂ« nautilus info , jaargang 33 Goud op |  | | Report (chapter) | | Environmental Sciences, University of Bologna, Italy 2 Department of Geosciences, Colorado State University...and massive quartzcarbonate-pyrite-arsenopyrite-galena-sphalerite veins crosscutting a monzonite intrusion...Another particular aspect is the precipitation of the galena-sphalerite vein assemblage at a temperature (c...with quartz, carbonates and sulphides (pyrite, galena, sphalerite, chalcopyrite, proustite, pyrargyrite)...solutions in late-Alpine gold-quartz veins at Brusson, Val dâAyas, Northwest Italian Alps. American Journal |  | | Journal (issue) | | Articles Famous mineral localities: the Taewha mine, K orea...........................................COVER: WULFENITE with mimetitefrom the San Francisco mine near Magdalena, Sonora, Mexico. The large crystal...Alfredo Ferri, / Sassi de Alfredo Ferri (Milan, Italy) Chris and Agatha Galas, Galas Minerals (Delhi,...Himalaya mine, Mesa Grande, California Tourmaline Queen mine, Pala, California Pala Chief mine, Pala, California...Ledge mine, Washington, California Benitoite Gem mine, San Benito Co., California U.S. Borax mine, Boron |  | | Journal (article/letter/editorial) | | inter-Ordovician unconformity in southwestern Sardinia (Italy): a ÂŻuid inclusion study L. Fedele1 , R. Todesca2...GeoÂźsica e Vulcanologia, Universita di Napoli, Italy Received July 12, 2001; revised version accepted...the deposition of the post-Variscan barite and galena ores in SW Sardinia. It is inferred that at least...sub-economic Ba±Pb±Zn±Cu mineralization (barite galena > sphalerite and Cu-sulphosalts, Boni et al., 1992a)...vol.%. Locally the ``Quarzite'' is enriched in galena, as in the Nanni Frau and Su Sollu mines. New geochemical |  | | Journal (issue) | | (503) 297-6774 E-mail: Wydar8Âźaol.com May 2001 Mine ral News The Mineral Database âą New version -...the authors and not necessarily the opinions of Mine ral News. Locality descriptions published in the...genuinely happy with this stone he brought from the mine near the village where he lives, and knowing how...pieces of spangolite and brochantite from the Tex Mex Mine in New Mexico, but having paid $50, together, it...afforded myself some of the gold from the Olinghouse Mine in Nevada, but at a price of $80 per MM I easily |  | | Journal (article/letter/editorial) | | Kerrich/Ore Geology Reviews 12 (1998) 381-453 3.2. Mine scale structure hypotheses have been advanced:...Greeostanes 44,âf 7 Fig. 2. Cross section of the Dome mine orebodies, Timmins, Abitibi SVZ. Note distribution...mineralization are the QT and QF vein systems of the Dome mine, Timmins; the Lamaque and Sigma deposits Val dâOr...mica), sulphides (pyrite, arsenopyrite, sphalerite, galena), oxides (iimenite, rutile), and gold have more...Toormaline Albite pyrite Scheelite Ankerite Quartz Gold Galena, sphalerite, tellorides Calcite I I I .... * |  | | Journal (issue) | | Cerite, Calcopirite, Clorite, Epidoto, Fluorite, Galena, Goethite, Ematite, Heulandite, Ilmenite, Magnetite...Brosso, con Salza e Sfregola ai quarzi di Arbaz e Brusson e cosĂŹ via. Non ricordo tutti i nomi, molti sono...il quarzo ametista o cristallizzato a cuore, la galena, la vivianite, ecc. Non mancavano le associazioni...ecc. o al raro campione di pirite con oro di Brusson (Aosta). Nelle vetrine erano esposti anche testi antichi...assumere il quarzo. 21. Minerale di alterazione della galena in giacimenti di Pb. 23. Dittongo in maree. 24 |  | Boiron, Marie-Christine, Cathelineau, Michel, Banks, David A, Fourcade, Serge, Vallance, Jean (2003) Mixing of metamorphic and surficial fluids during the uplift of the Hercynian upper crust: consequences for gold deposition. Chemical Geology, 194 (1) 119-141 doi:10.1016/s0009-2541(02)00274-7 | Journal (article/letter/editorial) | | is an important gold province with the Salsigne mine still active and numerous gold showings (120 tons...boulangerite, sph: sphalerite, cpy: chalcopyrite, gal: galena, po: pyrrhotite, bism: bismuthinite, Bi: native...They are also comparable to those measured for Brusson (Yardley et al., 1993) and Alleghany (BoÌhlke and...comparison. Symbols are the same as in Fig. 6. (1) Brusson Au â quartz veins (Yardley et al., 1993), (2) Alleghany...sulfo-arsenieÌ aurifeÌre du cambrien infeÌrieur de la mine traditionnelle de Salsigne (Montagne Noire, France) |
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