 | | Catalog/List | | 5x2x5/8", £8.75 A/4. ADAMITE. Kameriza Central Mine, Laurium, Attica, Greece. A sparkling lime-green... £24.00 ADULARIA/CHLORITE. St Gothard, Ticino, Switzerland. A matrix-free penetrant association of A/6...ADULARIA/SPHENE/EPIDOTE/CHLORITE/ALBITE. St Gothard. Ticino, Switzerland. Excellent example of alpine assemblage....3. ANATASE/ADULARIA. Cavagnoli-Glacier, Ticino, Switzerland. A Lustrous, pearly interform of sharp, pseudo-rhombic...5x2x1", £10.00 6. ANDRADITE GARNET. Belstone Consols Mine, Sticklepath, Devonshire. A vitreous brownishgreen |  | | Journal (issue) | | . . . . . . . . . 19 by J. A. Scovil The Machow mine, Tamobrzeg, Poland . . . . . . . . . . . .. .. ...after argentite, 10 cm tall, from the Las Chispas mine, Arizpe, Sonora, Mexico. Houston Museum of Natural...geologic setting and mineralogy of the mine site. The Harding mine catalog will provide researchers and...citations on the Harding mine and information about other collections of Harding mine specimens. The museum...high-quality, precisely located specimens from the mine. Interested persons should send helpful information |  | Martin, Silvana, Toffolo, Luca, Moroni, Marilena, Montorfano, Carlo, Secco, Luciano, Agnini, Claudia, Nimis, Paolo, Tumiati, Simone (2017) Siderite deposits in northern Italy: Early Permian to Early Triassic hydrothermalism in the Southern Alps. Lithos, 284. 276-295 doi:10.1016/j.lithos.2017.04.002 | Journal (article/letter/editorial) | | of graben basins in the basement (from W to E: Lugano-Varese Basin, Orobic Basin, Val Trompia Basin in...portion of the Lombardian Alps and include (a) the Costa Ricca high-temperature Bi- RI telluride-bearing...the high-temperature veins of the Regina-Bovegno mine (Brescian Alps). Carbon and oxygen isotope analyses... ACCEPTED MANUSCRIPT 8_3_2017 in basement), and Costa Ricca - Val di Rango (contact aureole with Permian...mineralization. In sample L3-T11 from the Novazza mine, former uraninite is often replaced by alteration |  | | Book (volume) | | San Gottardo . . . . . . Cap. XXXVI - 11 Canton Ticino e la Val Mesolcina .... . . . . Cap. XXXVJI - La...bei campioni dell' Alpe Cam polungo, nel Canton Ticino e di qualche dolo mia nelle vicinanze del Sempione...Passo del Como nell'alta Val Bedretto ( Canton Ticino); Monte Nevoso (Schneeberg) in Val Passiria; il...Apofillite Gruppo delle miche a) Serie de/la muscovite M uscovite Paragonite Margarite Celadonite KAl...senso che tende a dividere i vari strati. Muscovite La muscovite [K.Al 2 (OH, FhAlSi3 O 10 ] e la mica piu |  | Martins, Ivo, Mateus, António, Cathelineau, Michel, Boiron, Marie Christine, Ribeiro da Costa, Isabel, Dias da Silva, Ícaro, Gaspar, Miguel (2022) The Lanthanide “Tetrad Effect” as an Exploration Tool for Granite-Related Rare Metal Ore Systems: Examples from the Iberian Variscan Belt. Minerals, 12 (9) 1067 doi:10.3390/min12091067 | Journal (article/letter/editorial) | | , Marie Christine Boiron 3 , Isabel Ribeiro da Costa 1 , Ícaro Dias da Silva 1,2 and Miguel Gaspar 1... A.; Cathelineau, M.; Boiron, M.C.; Ribeiro da Costa, I.; Dias da Silva, Í.; Gaspar, M. The Lanthanide...© 2022 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed...which are often associated with highly evolved muscovite-bearing peraluminous granites [1–4]. Granite-related...official national catalog SIORMINP–LNEG). 1—Panasqueira Mine. Concurrently with D1 folding and often reflecting |  | | Journal (issue) | | The best-known wulfenite comes from the Red Cloud mine in Arizona, though crystals from this area are generally... Euclase from Tanzania occurs, together with muscovite, in cavities in an offshoot of the larger Lukangasi...encrusted with euclase, associated with fluorite, muscovite and bertrandite. Within the greisen, local lens-shaped...quartz, muscovite and bertrandite, contain hexagonal beryl pseudomorphed by fine-grained muscovite and cryptocrystalline...bertrandite. In the Boomer Mine area, late-stage euclase, intergrown with quartz and muscovite, appears as clusters |  | | Journal (article/letter/editorial) | | which is composed of muscovite and tourmaline; sulphides are rare. Muscovite and tourmaline, in addition...the Amapá Block (Fig. 1; Rosa-Costa et al., 2009). According to Rosa-Costa et al. (2009), the Amapá Block...60 Ga (mainly tonalites and granodiorites) (Rosa-Costa et al., 2003, 2006); (5) several plutons of charnockite...Noucouru Intrusive Suite (Ricci et al., 2002; Rosa-Costa et al., 2006); and (6) high- to medium-grade gneisses...signatures suggesting reworking of Archaean crust (Rosa-Costa et al., 2003, 2006). Furthermore, U–Th–Pb dating |  | Costa, Mariana, Moura, Helena, Pinto de Jesus, Ary, Suárez-Ruiz, Isabel, Flores, Deolinda (2022) Effects of Magmatic Fluids in Coals of São Pedro da Cova Coalfield, Douro Carboniferous Basin, Portugal: Insights from Inorganic Geochemistry. Minerals, 12 (2) 275 doi:10.3390/min12020275 | Journal (article/letter/editorial) | | Portugal: Insights from Inorganic Geochemistry Mariana Costa 1 , Helena Moura 2,† , Ary Pinto de Jesus 1 , Isabel...2, * 1 2 3 * † Citation: Costa, M.; Moura, H.; Pinto de Jesus, A.; Suárez-Ruiz...elements have affinities with sulfides. Illite and muscovite are the main phyllosilicates occurring in these...© 2022 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed...firstly reported by Moura et al. [37] and then by Costa et al. [38] based on geochemical data. The minerals |  | | Journal (article/letter/editorial) | | 283±297 Ó Springer-Verlag 1998 ARTICLE M. L. da Costa á E. L. Moraes Mineralogy, geochemistry and genesis...well-crystallized kaolinite, quartz, sometimes illite-muscovite, anatase and hematite. In certain locations, ...(30%), CIS Editorial handling: D.J. Morgan M.L. da Costa (&) á E.L. Moraes Centro de GeocieÃncias, Universidade...at Morro do Felipe, was the ®rst combined kaolin mine and processing factory in the Amazon region. In...production of approximately 500 000 tons in 1996. The RCC mine is located close to the PPSA operation, but on the |  | | Journal (article/letter/editorial) | | the minimum necessary to justify the opening of a mine in that remote area. After a few years of exploration...contract defined the geographical limits of the mine concession, the areas necessary for the social and...and two industrial areas, at the mine and the port areas. For the mine, a fleet of trucks, bucket excavators...starting in 1957 (Ramos 1983). During the life of the mine, the ores were sold to a number of steel plants...main offices were built in the foothill of the T-20 mine. While these mines were in operation, the geological | | | Journal (issue) | | Heidelberg, W. Germany Eric Offermann Arlesheim, Switzerland Harold and Erica Van Pelt Los Angeles, CA Julius...after argentite, 10 cm tall, from the Las Chispas mine, Arizpe, Sonora, Mexico. Houston Museum of Natural...geologic setting and mineralogy of the mine site. The Harding mine catalog will provide researchers and...citations on the Harding mine and information about other collections of Harding mine specimens. The museum...high-quality, precisely located specimens from the mine. Interested persons should send helpful information |  | | Journal (issue) | | AUTUNITE on TOURMALINE, 11.9 cm, from the Golconda I mine, Minas Gerais, Brazil Brice Gobin (Mineral Art)...many localities in the U.S., Germany, Austria, Switzerland, France, Italy, Great Britain, Hungary, Yugoslavia...as well, and they started picking over the local mine deposits together. They were married in 1970, and... Zincolivenite with Ferrilotharmeyerite | Tsumeb Mine, Namibia | 7.0 x 7.0 x 6.0 cm CRYSTAL CLASSICS...Rhodochrosite Tourmaline with Cleavelandite N Chwaning I Mine, South Africa Stak Nala, Pakistan 4.4 x 3.6 x 2 |  | Berni, G. V., Heinrich, C. A., Lobato, L. M., Wall, V. J., Rosiere, C. A., Freitas, M. A. (2014) The Serra Pelada Au-Pd-Pt Deposit, Carajas, Brazil: Geochemistry, Mineralogy, and Zoning of Hydrothermal Alteration. Economic Geology, 109 (7) 1883-1899 doi:10.2113/econgeo.109.7.1883 | Journal (article/letter/editorial) | | Clausiusstrasse, 25, NW F 82.1, 8092, Zürich, Switzerland 2 Also 3 Centro at: Faculty of Mathematics...University of Zürich de Pesquisa Manoel Teixeira da Costa, Universidade Federal de Minas Gerais, Av. Antônio...Pelada area includes geologic descriptions of the mine sequence (Jorge João et al., 1982; Meireles et al...and an upper metasandstone sequence (Fig. 2). The mine sequence at the Serra Pelada deposit (Fig. 3) overlies...metasiltstone composed of quartz, fine-grained muscovite (sericite), organic matter (<0.1 wt % Ctotal) |  | | Journal (article/letter/editorial) | | uraninite at the graniterelated Buraco do Ouro gold mine, Cavalcante, Central Brazil J. MENEZ * AND N. F...In the Buraco do Ouro gold mine, the mineralization is hosted in muscovite-quartz mylonite in a silicified...silicified shear zone near the contact between biotite-muscovite granite and paragneiss of the Ticunzal Formation...gangue consisting of muscovite, quartz and rare tourmaline. High TiO2 muscovite clasts in the ore are...are interpreted as the magmatic muscovite of the original granite, and the mineralization is considered |  | Grandjean da Costa, Felipe, Luiz Klein, Evandro, Harris, Chris, Roopnarain, Sherissa (2019) Fluid inclusion and stable isotope (O, H, C) constraints on the genesis of the Pedra Branca gold deposit, Troia Massif, Borborema Province, NE Brazil: An example of hypozonal orogenic gold mineralization. Ore Geology Reviews, 107. 476-500 doi:10.1016/j.oregeorev.2019.03.007 | Journal (article/letter/editorial) | | orogenic gold mineralization Felipe Grandjean da Costa, Evandro Luiz Klein, Chris Harris, Sherissa Roopnarain...2019 Please cite this article as: F. Grandjean da Costa, E. Luiz Klein, C. Harris, S. Roopnarain, Fluid...granite–greenstone domain (Serra das Pipocas greenstone belt) (Costa, 2018) (Fig. 1 A and B). The main characteristics...to the ages of the country rocks (2200–2068 Ma) (Costa, 2018). The main hydrothermal alteration assemblage...1986; Cavalcante et al., 2003; Costa et al., 2014a; Sousa, 2016; Costa et al., 2018). Pessoa and Archanjo |  | Kerrich, R., Fyfe, W. S., Barnett, R. L., Blair, B. B., Willmore, L. M. (1988) Reply to: ?A discussion of corundum, Cr-muscovite rocks at O'Briens, Zimbabwe: the conjunction of hydrothermal desilicification and LIL-element enrichment-geochemical and isotopic evidence/rd. Contributions to Mineralogy and Petrology, 100 (4) 555-559 doi:10.1007/bf00371384 | Journal (article/letter/editorial) | | Springer-Verlag1988 Reply to: "A discussion of corundum, Cr-muscovite rocks at O'Briens, Zimbabwe: the conjunction of...mineralogical studies of exotic corundum, Cr-muscovite rocks at O'Briens claims in Zimbabwe, and were...first to identify margarite coexisting with Cr-muscovite in the corundum rocks. These key observations...(1982, 1988) conjectured that the corundum, Cr-muscovite rocks are metamorphosed alunite (deposits) although...claims, or any other occurrences of corundum, Cr-muscovite rocks (Morrison 1972; Anhaeusser 1978; Ashley |  | | Journal (article/letter/editorial) | | relation between phlogopite and aspidolite FIDEL COSTA,1,* MICHAEL A. DUNGAN,1 AND BRAD S. SINGER2 2 1...Genève, 13 Rue des Maraîchers, 1211 Genève, Switzerland. Department of Geology and Geophysics, University...solvus reported for the Na (paragonite) and K (muscovite) white micas (e.g., Guidotti et al. 1994). Magmatic...costaf@cnrs-orleans.fr 0003-004X/01/0102–29$05.00 29 30 COSTA ET AL.: MAGMATIC Na-RICH PHLOGOPITE TABLE 1. Occurrences...have divided the xenoliths into two main groups (Costa et al. in prep.). GROUP I consists of olivine-hornblende |  | Juliani, Caetano, Rodrigues de Assis, Rafael, Virgínia Soares Monteiro, Lena, Marcello Dias Fernandes, Carlos, Eduardo Zimmermann da Silva Martins, José, Ricardo Costa e Costa, Jhoseph (2021) Gold in Paleoproterozoic (2.1 to 1.77 Ga) Continental Magmatic Arcs at the Tapajós and Juruena Mineral Provinces (Amazonian Craton, Brazil): A New Frontier for the Exploration of Epithermal–Porphyry and Related Deposits. Minerals, 11 (7) 714 doi:10.3390/min11070714 | Journal (article/letter/editorial) | | Zimmermann da Silva Martins 1 and Jhoseph Ricardo Costa e Costa 2 1 Citation: Juliani, C...Eduardo Zimmermann da Silva Martins, J.; Ricardo Costa e Costa, J. Gold in Paleoproterozoic (2.1 to 1.77 Ga)...© 2021 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed...or biotite) alterations grading to propylitic, muscovite-sericite, chlorite–sericite, and chlorite alterations...mineralization, and gold-rich zones occur in muscovite/sericite–quartz–pyrite alteration. The Paleoproterozoic |  | Munha, J., Barriga, F. J. A. S., Kerrich, R. (1986) High 18 O ore-forming fluids in volcanic-hosted base metal massive sulfide deposits; geologic, 18 O/ 16 O, and D/H evidence from the Iberian pyrite belt; Crandon, Wisconsin; and Blue Hill, Maine. Economic Geology, 81 (3) 530-552 doi:10.2113/gsecongeo.81.3.530 | Journal (article/letter/editorial) | | sericiticfelsictuffs,quartz(•180 -- 13.8%0)and muscovite (b180= 9.5%0,bD = -30%0)definetemperatures of...the stockwork of the BlueHill mine,quartz(b180= 13.1-13.7%o),muscovite (•180 = 9.3-10.0%o),andchlorite(•180...Horokoshi, 1970; Sangster,1972; Fryer and 1983; Costa et al., 1984). Hutchinson,1976; Solomon,1976; Urabe...theseconsiderations in mind, this studywas 1978; Costa et al., 1983; for reviews see Hutchinson designedto...per rail (seeFig. 2). (For a description of the mine •18Ofiuid values.However,the preservation of a sys- |  | | Book | | Petrographie Universitat Perolles CH-1700 Fribourg Switzerland Prof. Dr. FRANZ NEUBAUER Institut fur Geologie...Pre-Alpine Basement ofthe Brian~onnais (Wallis, Switzerland) .......... 297 P. THELIN, M. SARTORI, M. BURRI...Austro-Alpine Nappes in the Bernina Massif (Grisons, Switzerland; Valtellina, Italy). . . . . . . . . . . . .... GEOTEST, Birkenstr. IS CH-30S2 Zollikofen, Switzerland BIINO,G. Institut fUr Mineralogie und Petrographie...Petrographie, Balzerstr. 1 CH-3012 Bern, Switzerland BONIN,B. Dept. de Petrologie - Volcanologie, Biitiment |  | Kerrich, R., Fyfe, W. S., Barnett, R. L., Blair, B. B., Willmore, L. M. (1987) Corundum, Cr-muscovite rocks at O'Briens, Zimbabwe: the conjunction of hydrothermal desilicification and LIL-element enrichment ? geochemical and isotopic evidence. Contributions to Mineralogy and Petrology, 95 (4) 481-498 doi:10.1007/bf00402207 | Journal (article/letter/editorial) | | 95:481-498 9 Springer-Verlag 1987 Corundum, Cr-muscovite rocks at O'Briens, Zimbabwe: the conjunction of...Monomineralic domains of chlorite, corundum and Cr muscovite coexist over a kilometer scale within ultramafic...r u n d u m ~ c o r u n d u m + diaspore: Cr muscovite variably overprinted both the corundum and chloritite... The chromian (Cr203 ~ 3.86 wt%) paragonitic muscovite incorporates up to 17% of the paragonite molecule...elements Th, Ta, Nb. Chlorite, corundum and Cr muscovite represent progressive stages in the incremental |  | | Catalog/List | | 94403 U.S.A. Old No. l Headfnme. Whi ■ key Hlll Mine, Tuohnne County, CaUfomla (r■-,u. .SV•t- tor cr11•t•J...association. Few of the minute crystals you see on mine or quarry dumps or even on cabinet specimens will...dumps or surface float. Mirute crystals seen on a mine dump are a clue but nearly always tao weathered...'hite hairs on feldspar. 784 ADAMITE, Moha\'.1k Mine, San Bernardino County, r.alifornia. Group o f colorless...crystals on matrix. 632 AOOLARIA, Tavetsch, Switzerland. Transparent typical crystals on matrix. 910 |  | | Book (edition) | | Hopper faces in a quartz crystal (St. Gotthard, Switzerland) Furthermore, the external form of minerals...association of rutile crystals on hematite (Grigioni, Switzerland). 35 Examples of twins: (1 , 2) Interpenetrating...base; low specific gravity and hardness, e.g., muscovite. 6) Tectosilicates, the tetrahedra of which are...that a collector in the field should visit are mine dumps and quarry rubble heaps, where there will... lb) was mined. How- been from the Guanajuato mine (Mexico), about 500 billion kilos (460,000,000 tons) |  | | Journal (article/letter/editorial) | | Materials in Mining Areas: The Case Study of Panasqueira Mine (Central Portugal) as an Example Carla Candeias...26 September 2014 Abstract: The Sn-W Panasqueira mine, in activity since the mid-1890s, is one of the...mostly due to As ingestion. Keywords: Panasqueira mine; potential toxic elements; modified contamination...ecological risk factor and risk index 1. Introduction Mine tailings, with considerable amounts of sulfides...sulfuric acid, leading to the generation of acid mine drainage with high contents of metals and sulfates |  | | Journal (article/letter/editorial) | | Published online October 2007 Geochemistry of muscovite from pegmatites of the Eastern Brazilian pegmatite...University, Switzerland e-mail: willem-b.stern@unibas.ch Abstract: Single crystals of muscovite (N = 143)...AlVI from 1.71 to 1.90 apfu. Trace elements in muscovite are significant indicators for the economic potential...differentiation degree and origin of the magma. Muscovite with higher Li and B contents is characteristic...anatectic pegmatites, relatively low K/Rb ratios of muscovite from the studied pegmatites are indicative of |
|
