 | | Journal (article/letter/editorial) | | (Ca2Fe2+Fe3+[Si5O14(OH)]) have been observed at Arvigo in Switzerland and Kreimbach/Kaulbach in Germany, and we...(Hd) were determined as Bab[100]//Hd[112] in the Arvigo specimen and Bab[100]//Hd[1 12] in the Kreimbach/Kaulbach...Diffraction derived from Bab(031) and Hd (021) in the Arvigo samples and Bab(031) and Hd(021) in the Kreimbach/Kaulbach...(Heidtke, 1986; Bungert et al., 1992), at Arvigo, Grisons, Switzerland (Armbruster et al., 2000) and at Lincoln...whiskers from two different localities: (1) Arvigo, Grisons, Switzerland (NMBE34974); and (2) Kreimbach/ Kaulbach |  | | Journal (article/letter/editorial) | | Penninic gneisses of the Simano nappe at Arvigo (Val Calanca). Rail and road tunnel construction across...epidote + quartz + H2O = laumontite + prehnite, at low-pressure end and epidote + chlorite + quartz + H2O...pumpellyite at high-pressure end; (2) laumontite + quartz + H2O = heulandite (Cho et al., 1987). Dashed arrow...cooling path derived from fluid inclusions in fissure quartz (Mullis et al., 1994). low pressures (<200 MPa)...metamorphic grade in the Aar- and Gotthard Massif region increases from subgreenschist facies in the north |  | | Journal (article/letter/editorial) | | interaction in gneisses of the simano nappe: Arvigo, Val Calanca, Swiss Alps Tobias Weisenberger • Kurt Bucher...amphibolite-facies basement gneisses at Arvigo (Val Calanca, Swiss Alps) show distinct cm-sized reaction...open fracture pore space. The central zone of the Arvigo veins contains an early assemblage with epidote...of various species of zeolite. The veins of the Arvigo quarry are convincing evidence that fracture fluids...Laumontite Prehnite Reaction Vein Albitisation Arvigo Swiss Alps Introduction Water is reaction and |  | | Journal (article/letter/editorial) | | (2000) found significant Mg in the Fe2 site in an Arvigo babingtonite crystal and suggested significant...chlorite + quartz were observed in veins, and assemblages of babingtonite + prehnite + calcite + quartz ± epidote...epidote + pyrite and of prehnite + calcite + quartz + chlorite + pyrite occurred in cavities. The babingtonite...the Fe1 site and Mg in the Fe2 site from Arvigo, Switzerland, that formed in Alpine fissures at less than... Mn-bearing babingtonite from Arvigo, Val Calanca Grisons, Switzerland. Schweizerische Mineralogische |  | | Journal (article/letter/editorial) | | Staubli AG, Case Postale 566, CH-8045 Zurich, Switzerland THE SCIENCE OF THE TOTAL ENVIRONMENT Elsevier...Phase composition and U-Pb pitchblende systems of quartz-calcitepitchblende veins at the Schlema-Alberoda...Darasun gold-sulfide deposit (eastern Transbaikal region)—V. Yu. Prokof’ev, N.S. Bortnikov, L.D. Zorina...gouge-bearing faults—B. Bos and C.J. Spiers Giant quartz vein systems in accretionary orogenic belts: The...CL for characterizing quartz and trapped fluid inclusions in mesothermal quartz veins: Muruntau Au ore |  | | Journal (issue) | | The Yaogangxian tungsten mine 58-59 A wonderful quartz from China 63-64 Metasomatism * SCHWEIZER STRAHLER...nodules de pyrite de Porsguen, Finistère 47-52 Smoky quartz and associated minerals from Blue Hill quarry,...babingtoniet-hedenbergiet paragenese van Arvigo, Val Calanca, Grisons (Zwitserland) (Armbruster, 2000). Sinds...babingtonite in Alpine fissures at Arvigo, Val Calanca, Grisons, Switzerland. Schweizerische Mineralogische |  | | Journal (article/letter/editorial) | | X-ray singlecrystal study of babingtonite from Arvigo, Grisons (type loc.), Armbruster (2000) estimated that...with hedenbergite, grossular-andradite garnets, quartz, and ilvaite. Pyrite and chalcopyrite were confirmed...euhedral to subhedral babingtonite (< 5 mm) and quartz (< 1 mm) crystals were attached to a fine-grained...cauliflower-like shaped prehnite aggregates. Euhedral quartz (< 1 cm) occurs together with prehnite. Chlorite...Italy: babingtonite crystals (< 1 mm) partly cover quartz in a granitic pegmatite. The Seula mine (former |  | Galuskin, E. V., Armbruster, T., Malsy, A., Galuskina, I. O., Sitarz, M. (2003) MORPHOLOGY, COMPOSITION AND STRUCTURE OF LOW-TEMPERATURE P4/nnc HIGH-FLUORINE VESUVIANITE WHISKERS FROM POLAR YAKUTIA, RUSSIA. The Canadian Mineralogist, 41 (4) 843-856 doi:10.2113/gscanmin.41.4.843 | Journal (article/letter/editorial) | | University of Bern, Freiestr. 3, CH-3012 Bern, Switzerland IRINA O. GALUSKINA§ Faculty of Earth Sciences...fluorapophyllite, prehnite, titanite, calcite and quartz overgrew vesuvianite. Whiskers of vesuvianite crystallized...fluorapophyllite, prehnite, titanite, calcite et quartz ont englobé la vésuvianite. Les trichites de vésuvianite...diopside, fluorapophyllite, prehnite, datolite, quartz and calcite. Fluorite, titanite, pyrite, chalcopyrite...babingtonite in Alpine fissures at Arvigo, Val Calanca, Grisons, Switzerland. Schweiz. Mineral. Petrogr. Mitt |  | Weisenberger, Tobias B., Rahn, Meinert, van der Lelij, Roelant, Spikings, Richard A., Bucher, Kurt (2012) Timing of low-temperature mineral formation during exhumation and cooling in the Central Alps, Switzerland. Earth and Planetary Science Letters, 327. 1-8 doi:10.1016/j.epsl.2012.01.007 | Journal (article/letter/editorial) | | exhumation and cooling in the Central Alps, Switzerland Tobias B. Weisenberger a, b,⁎, Meinert Rahn a...Nuclear Safety Inspectorate ENSI, 5200 Brugg, Switzerland d Department of Mineralogy, University of Geneva...Geneva, Rue des Maraîchers 13, 1205 Geneva, Switzerland b c a r t i c l e i n f o Article history: Received...fissure assemblage apophyllite-(KF), laumontite and quartz occurs within the Southern Aar granite. It formed...studied area marked in the lower-right map of Switzerland. Swiss coordinate grid is used. evaluated the |  | | Journal (article/letter/editorial) | | © 2022 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed...forms blueish grey tabular crystals associated with quartz, albite and cascandite (Figure 1a). Mineral assemblages...interference between and diffracted waves in the 2θ region above Å. dances of Si, Ti, Al, Cr, V, Fe, Sc, Mn... Mn-bearing babingtonite from Arvigo, Val Calanca Grisons, Switzerland. Schweiz. Miner. Petrog. Mitt |  | | Journal (article/letter/editorial) | | euhedral quartzes (rock crystals, smoky quartz and morion quartz) of very variable sizes. Typically, Alpine...earliest mineral fissures formed at about 400 °C and quartz-filled fissures continued to form to temperatures...metamorphic grade in the Aar- and Gotthard Massif region increases from lower greenschist facies in the...from surface outcrops in the Rien valley hosted in quartz veins occurs as light reddish to brownish aggregates...forming radial groups of 1 cm in diameter, hosted in quartz lenses in paragneisses Riental/Ur DT Hul-Stb |  | | Catalog/List | | cobaltosmithsonite xtls to l0mm on a flat massive quartz rich matrix Pretty D SPC C.£22 3. TOLIRMALINE,Nlinas...9. EPIDOTE,St Gothard,Switzerland Pretty little specimen consisting of quartz rots & bladed olive green...sitting on a vughy sulphide rich matrix with a little quartz Handsome 13 SPC. C. £18 22 IRRIDESCENT HEMATITE...elongated olive green epidote xtls to 6mm with a little quartz. Interesting RI' TN £2 33. ELBAITE.Nlinas Gerais...transparent leaf tueen elbaite xtl to 45mm in milky quartz with pale mica & dark var. o f tourmaline, ?schorl |  | | Journal (article/letter/editorial) | | University of Bern, Baltzerstrasse 1, CH-3012, Bern, Switzerland 2 Conterra AB, Box 8180, 104 20 Stockholm, Sweden...Université de Lausanne, Anthropole, CH-1015 Lausanne, Switzerland (Zsofia.Waczek@unil.ch, Torsten.Vennemann@unil...1968, uranium ore was mined and processed in the region of Mailu-Suu (Kyrgyz Republic). The residual waste...compositions, with a subordinate group from the SW region of the western rift zone having high 3He/4He for...of magma. In later stages, a dike-like storage region of degassed, crystallizing, and more differentiated |  | | Journal (article/letter/editorial) | | University of Bern, Freiestrasse 3, CH-3012 Bern, Switzerland *Corresponding author, e-mail: piemontite7846@gmail...localities: (1) Val Graveglia, Italy, and (2) Fianel, Switzerland. Samples from both localities were studied using...(2) the Fianel mine, Val Ferrera, Graubünden, Switzerland (Brugger & Berlepsch, 1996; Brugger et al., 2006)...manganese ore deposit in Val Ferrera, Graubünden, Switzerland (Brugger & Berlepsch, 1996) was analyzed. Val...Molinello, Italy Specimen 1 Specimen 2 Fianel, Switzerland 1 2 3 Sample No. Ave. Std. Ave. n ¼ 23 |  | | Journal (issue) | | 13-21 Structure and luminescence characteristics of quartz from pegmatites 122- Relationships between SEM...trace-element composition of hydrothermal vein quartz 208 1733-1738 Properties of fischesserite, a...minder mooie kristallen werden gevonden in Arvigo, Val Calanca. Op deze vindplaats komt het samen met prehniet...owe our sincere thanks to Thomas Schüpbach (Switzerland), Chris Wright (Wright's Rock Shop), David Kalát |  | | Journal (article/letter/editorial) | | samples from the Gotthard rail base tunnel, Switzerland Kurt Bucher ⁎, Ingrid Stober, Ulrike Seelig Institute...new 56 km long Gotthard railway base tunnel in Switzerland opened a large number water conducting fractures...base tunnel, currently under construction in Switzerland (Fig. 1). The fracture water acquires its composition...Setting The new Gotthard rail tunnel in central Switzerland crosses the Alps at the base level of 500 m and...volcaniclastic sediments and rhyolites (ignimbrites, quartz porphyries) covered the basement. The tunnel cuts |  | | Journal (article/letter/editorial) | | grains were readily converted to cordierite and quartz within 4 days. The cordierite crystals had well-developed...1e, f). In all experiments, numerous idiomorphic quartz crystals, up to 20 µm in size, were formed concomitantly...concomitantly with cordierite (e.g., Fig. 1c). However, quartz was notably more abundant in the run products from...prismatic shapes. Co-precipitation of abundant quartz (Qtz) can be seen on the lower left of the image...individual cordierite crystals and growth of euhedral quartz crystals. d Hexagonalshaped cordierite crystal |  | | Catalog/List | | IITE/MORION. Pikes Peak,Colorado,USA. Typical Feldspar/Quartz pcgmatitic matrix fragment vlth lustrous,blue-green...Cornvall, Choice,very rich specimen. Ferruginous Quartz vein section smothered in gemmy,light-brovn coloured...prismatlc xtls, 50x50x25mm, iG,00, 16. ARSENOPYRITE/QUARTZ. Zacatecas,Mexlco. Sllvcry-metalllc,tcrninated...intcrstltlal,small,uhlte,opaquc, hexagonal prisms of Quartz on crystalline Pyritc. 45x25x20mm. tl5.00. 17...Carrock Hine,Cumbria. Tvo large spccimens. Chloritlc Quartz matrix vlth vell terminatcd,sllvcry,prlsmatlc xtls |  | | Journal (issue) | | 81-84 Basaltes, leur altération climatique 85-90 Quartz choqués GEODE 37(2), 04.12 HONA 47(1), 02...in der Vulkaneifel 30-31 Apophyllit aus Arvigo, Val Calanca (CH) 31-32 "Liasgold" aus Franken 32 Achat...mine, Big Horn Mts., Maricopa Co., Arizona 181-183 Quartz concentrated around altered pyrite 189-191 In memoriam...beautiful one, acicular Crystals adhering & encrusting Quartz. I strove all I could to get it for your Cabinet...confused strata of black schistus clay mixed with some Quartz. Between the flakes of the schistus clay and in |  | | Journal (article/letter/editorial) | | Spain: in hydrothermal sulfide–quartz–carbonate veins within quartzite and quartz schists (Morales-Ruano and...Pennine Orefield, England: in latestage hydrothermal quartz–sulfide veins within carbonates and siliciclastics... the Bohemian Massif, Germany: in hydrothermal quartz–chalcopyrite veins within paragneisses, which formed...Complex, Russia: in hydrothermal chlorite–carbonate–quartz–sulfide veinlets in the zones of retrograde dislocation...some uncertain cases such as probably hydrothermal quartz–sulfide veinlets with argentopentlandite in the |  | | Journal (article/letter/editorial) | | basalts of Salsette Island in the greater Mumbai region, as well as in other localities in the Deccan Volcanic...unique geological environment. The greater Mumbai region is built up by the Salsette subgroup, which represents...sequence developed with chlorite, laumontite I, quartz, and calcite I. Ongoing magmatic activity caused...© 2022 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed...contrast, the basalts in the Mumbai (formerly Bombay) region erupted in a lagoonal to shallow marine environment |  | | Journal (article/letter/editorial) | | 2). Solid SiO2 (e.g., amorphous silica, opal, quartz) is usually not present in these crusts. In this...typically low silica concentrations (<20 mg/L SiO2). Quartz saturation is close to 6 mg/L SiO2 (at 20 °C)....and oversaturated with respect to chalcedony and quartz (Fig. 7). However, the SIQtz = 1.2 in the most...silicarich water is not high enough to precipitate quartz (or chalcedony). Hence, SIQtz = 1.2 appears to...below critical supersaturation with respect to quartz at surface conditions. The absence of any form |  | | Journal (issue) | | produced very fine specimens of amethyst and clear quartz not much else is commonly reported from these mines...formations common to the iron ranges of the Great Lakes region. After lithification, these rocks were subjected...to fonn the direct shipping ores mined in this region. Today although low grade, i.e. taconite, mining...accicular quartz crystals m aragonite groups. Because of the stellate nature of these quartz groups the...have dropped out of the host matrix. Instead the quartz probably decomposed an? gradually lost integrity |  | | Journal (issue) | | Steiermark LE REGNE MINERAL # 103, 02.12 6-21 Des quartz vrillés incolores à Argentière, MontBlanc, Haute-Savoie...Übezrraschungen 30-32 Eigenfunde (Apophyllit aus Arvigo, Val Calanca (CH); "Liasgold" aus Franken; Achat aus |  | | Journal (issue) | | kulturhistorische und industrielle Entwicklung der Region, die weit über ihre Grenzen hinaus Dänemarks Wirtschaft...von würfeligem Fluorit von Saint-Peray aus der Region Rhone-Alpes im Departement Ardeche/Frankreich an...Fluorit- und Baryt-Eigenfunden aus Saint-Peray, Region Rho11e-Alpes, Franf1reich. geborgen worden war...günstigen Preis ordnungsgemäß als „Go ld plated quartz, 999 pure Gold" im Angebot. An Stellen , wo die...berühmten Mine „La Gardette", Bourg d'Oisans, lsere/Region Rhone-Alps bewundern . Natürlich gab es hier herrliche |
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Gneiss quarries, Arvigo, Calanca, Moesa Region, Grisons, Switzerland