 | | Journal (issue) | | ENFANTS 9 F ISSN 033 5• 6 566 1Minéraux Fossiles LE GUIDE DU COLLECTIONNEUR Il Rubis dans Zoïsite Longido...Pierre Escalier des Orres Publicité : Editions CEDIM Le comité de lecture est en cours de reconstitution...responsabilité de leurs auteurs. © Minéraux et Fossiles, le guide du collectionneur 198 5 Reproduction interdite...des rubis, J. Kessel . . . . . . . . . . . ... . Le règne des Ammonites, Patrick Saint-Lège ...... ....pages : Fotostil, Nancy Imprimerie Saint-Paul. Bar-le-Duc 3 4 e EXPOSITION INTERNATIONALE DE DIJON |  | | Journal (article/letter/editorial) | | described by Graham and Kaiman (1952) from the Giant mine at Yellowknife, *E-mail: jiri.zacharias@natur.cuni... The fracture-related gold is associated with calcite and rarely also with late quartz (Q3) and/or pyrrhotite...Au-1, is represented by intergrowths of Au-1 and calcite (Figs 3a–e). These vary in texture from chaotic...relationships between the gold and the calcite, to aggregates where the calcite is unambiguously the earlier phase...phase. In these samples calcite forms euhedral grains (Fig. 3c; grain labelled ‘1’), and gold fills in |  | Gourcerol, B., Gloaguen, E., Melleton, J., Tuduri, J., Galiegue, Xavier (2019) Re-assessing the European lithium resource potential – A review of hard-rock resources and metallogeny. Ore Geology Reviews, 109. 494-519 doi:10.1016/j.oregeorev.2019.04.015 | Journal (article/letter/editorial) | | Rue de Blois - BP 26739 45067 ORLEANS Cedex 2, France 7 b BRGM, 8 c 9 *Corresponding author: gourcerol...Orléans, France ISTO, UMR 7327, Université d’Orléans, CNRS, BRGM, F-45071 Orléans, France 10 Graphical... rare-metal granites (RMG; 1 30 Beauvoir in France, Cinovec in the Czech Republic) and greisen (Cligga...31 Godolphin, Meldon in the UK and Montebras in France). Local exogenous processes may result in 32 ...other countries in the European 84 Community (France, Austria, Czech Republic, Spain, Finland…) to assess |  | | Journal (article/letter/editorial) | | Biards Sb-Au–Bearing Shear Zone (Massif Central, France): An Indicator of Crustal-Scale Transcurrent Tectonics...REM/MESY, 3 Av. Cl. Guillemin, 45060 Orléans Cedex 2, France and ISTEEM, Université Montpellier II, Place Eugène...Eugène Bataillon, 34095 Montpellier Cedex 05, France CATHERINE LEROUGE, LAURENT BAILLY, AND VINCENT BOUCHOT...REM/MESY, 3 Av. Cl. Guillemin, 45060 Orléans Cedex 2, France Abstract Structural, textural, mineralogic, microthermometric...located in the south Limousin area (Massif Central, France) provide new evidence for the tectonic setting |  | | Journal (article/letter/editorial) | | ore-bearing fluid (4 ± 1‰ SMOW; based on postore calcite) suggests its metamorphic or mixed magmatic- Editorial... in the Massif Central and Armorican Massif in France (e.g., Boiron et al. 1990; Bouchot et al. 1994...Eliška adit; c segment of Bbig calcite vein^ corresponding to cc1 and cc2 calcite, accompanied by intense hematitization...core zone of the Bbig calcite vein^ covered with large crystals of late calcite (cc3); e milky, finegrained...situation and because of low commodity prices, the mine was closed down as unprofitable. At the present |  | | Journal (article/letter/editorial) | | PAVLOVA, BOROVIKOV (‡) Wiluna Ishtamberdy Pezinok Le Châtelet, La Borderie El Juncalón Sarylakh Kharma Mari...CaCl2 + FeCl2) gives way in space and time to a calcite–galena–sphalerite assemblage that is formed at...Marmaissete, Villeranges, 1. Q, Carb, Py, Ap, Au France 2. Q, Au, St ë–P, T–J 3. Q, Dol, Gl, Sp, Cp, sulfosalts...NaCl, CO2 , CH4 Au–Sb deposits, Briod district, France ë, T–J 1. Q, Carb, Py, Ap, Au 2. Q, Gl, Sp, Cp...dolomite (Dol), ankerite (Ank), siderite (Sid), calcite (Cat). GEOLOGY OF ORE DEPOSITS Vol. 50 No. 6 |  | Haeberlin, Y., Moritz, R., Fontbote, L., Cosca, M. (2004) Carboniferous Orogenic Gold Deposits at Pataz, Eastern AndeanCordillera, Peru: Geological and Structural Framework, Paragenesis, Alteration,and 40Ar/39Ar Geochronology. Economic Geology, 99 (1) 73-112 doi:10.2113/gsecongeo.99.1.73 | Journal (article/letter/editorial) | | of the 330 to 327 Ma Pataz batholith; (2) at the mine scale, strong lithological controls of the vein...electrum, and native gold, followed by barren calcite-dolomite-quartz veinlets; and (5) hydrothermal...ankerite, as = arsenopyrite, Au = free gold, ca = calcite, cp = chalcopyrite, dol = dolomite, el = free electrum... Culebrillas Picaflor, Culebrillas Culebrillas mine, northern Parcoy district Irma, Santa Maria Maria...northern part of the Pataz district. B. Culebrillas mine, northern part of the Parcoy district (inset). |  | | Journal (article/letter/editorial) | | has been mainly known for quartz-Sb and quartz-calcite-W-Mo mineralization (Scratch et al., 1984; Seal...typically consists of auriferous quartz-Sb and quartz-calcite-Sb veins with As and/or Bi sulfides (e.g., Castonguay...Auriferous quartz, quartz-sulfide, and quartz-calcite veins are typically closely related to shear zones...occurs mainly in auriferous quartz and quartz-calcite veins, exhalites, and alluvial deposits. Vein-type...The restriction of auriferous quartz and quartz-calcite vein-type mineralization to particular tectonic |
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