 | | Journal (article/letter/editorial) | | the Le Chhtelet Au-arsenopyrite quartz veins, Massif Central, France V. Bouchot, Y. Gros, and P. Piantone...Piantone BRGM, B.P. 6009, F-45060 Orleans Cedex 02, France Received: 1 November 1993/Accepted: 20 January...Microstructural analysis shows that the Au-arsenopyrite quartz veins are hosted by north-trending dextral strike-slip...sulphide-free comb quartz followed by a co-deposition of microcrystalline quartz and needles of Au-arsenopyrite;...of the Au-arsenopyrite-bearing microcrystalline quartz was due to a sudden drop in fluid pressure. The |  | | Journal (article/letter/editorial) | | with samples from Le Ch telet gold deposit, Creuse, France X. Wu 1, E Delbove 1 and J.C. Touray 2 CRSCM...arsenopyrite from the "Le Chfitelet" deposit (Creuse, France) revealed analogous zoning of As/S ratio, with...Fluid inclusion studies carried out in the host quartz of the latter indicate high formation temperatures...conditions. Compared with the neighbouring "Villeranges" gold deposit, where arsenopyrite was formed...up to 1.6 wt% gold (Picot and Marcoux 1987). In France, gold-rich arsenopyrite ore has been mined at "Le |  | | Journal (article/letter/editorial) | | Orleans Cedex 2, France Abstract. Studies of numerous shear zones hosting auriferous quartz veins suggest...emplacement of lenses and veins of milky white quartz. When these various veins are in turn crushed by...continuing tectonic activity, microsaccharoidal quartz forms by cataclasis, and acts as a "receptacle"...mineralization. Therefore textbook "auriferous quartz veins" are only one particular aspect of this stage...stage of opening, during which stockworks of quartz or of quartz and carbonate form, causing in situ remobilization |  | | Journal (article/letter/editorial) | | INPL-CNRS, B.P. 40, 54501 Vandœuvre-Lès-Nancy Cedex, France 2 Université du Québec en Abitibi-Témiscamingue...Grenoble, B.P. 75, 38402 St Martin D’Hères Cedex, France 4 University of Lisbon Creminer/Geology Department...refractory Au ores from Colombia, France (Le Châtelet and Villeranges) and Portugal (Neves Norte). The...roasted arsenopyrite concentrate from the Le Châtelet mine and (b) corresponding zoom image of the white square...1987). The sampled vein (Filon Marthe) contains quartz, phyllosilicates, arsenopyrite and minor pyrite |  | | Journal (article/letter/editorial) | | OrleansCedex2, France,and GDR/CNRS/BRGM,No. 0969, 1A Ruede la FArollerie, 45071 Orleans Cedex 2, France XIN Wu...0969, 1A Ruede la Fgrollerie,45071 OrleansCedex2, France AND JEAN-CLAUDETOURAY GDR/CNttS/BttGM, No.0969...ESEM, Universit• d'Orl•ans, 42067 Orleans C•dex, France Abstract Hydrothermalalterationenvelopesin the...pyrite (pyrrhotite)alterationfaciesaccompanied by quartz near the feeder conduit.Transitionbetweenthe two...2, CH4) fluids,mainlyin metasomatic quartz and migmatite quartz includedin the mineralizedveins,and late |  | | Journal (article/letter/editorial) | | the VillerangesBasin,Marche-CombraillesShearZone, France: A Mineralogicaland Fluid InclusionStudy MARIE-CHRISTINE...l'Uranium,BP 23, 54501 Vandoeuvre-les-Nancy Cedex,France,and Laboratoirede Pdtrologiede la Surface,40 Avenuedu...Avenuedu RecteurPineau,86022 PoitiersCddex,France MICHEL CATHELINEAU, Centrede Recherches sur la Gdologiede...CREGU, BP 23, 54501 Vandoeuvre-les-Nancy Cddex,France AND JEAN-JACQUES TRESCASES Laboratoirede Pdtrologiede...Surface,40 Avenuedu RecteurPineau,86022 PoitiersCddex,France Abstract The Au-As-Sbdepositsfrom the Marche-Combrailles |  | 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) | | 7566, BP 23, 54501 Vandoeuvre lès Nancy cedex, France b School of Earth Sciences, University of Leeds...Rennes cedex, France Abstract A detailed geochemical study of fluids from representative quartz-sealed faults...present during the primary sealing of the faults by quartz, are considered to have effectively equilibrated...feature of the gold-bearing quartz is that gold is not synchronous within any quartz deposition, and appears...Boiron et al. / Chemical Geology 194 (2003) 119–141 quartz that was deposited from volatile-rich fluids, but |  | | Journal (article/letter/editorial) | | gold-ore association in a hydrothermal deposit, France JEAN-PIERRE GATELLIER a n d JEAN-ROBERT DISNAR...Min6ralogie, B.P. 6009, 45060 Orleans Cedex 2, France (Received 21 September 1988; accepted in revised...type deposit, the West Viges prospect, Creuse Department, France. Prior work had shown that, in this type...example the Transbaikalie deposit where Au-bearing quartz veins separate into branches within silt-coal-intercalated...enrichments were observed at the contact of the quartz veins hosted by graphitic schists (SPRINGER, 1985) |  | | Journal (article/letter/editorial) | | CNRS-CREGU, BP 23, 54501 Vandoeuvre les Nancy Cedex, France Abstract Fluids, together with alteration and...hydrothermal gold-bearing quartz veins from the western part of the Variscan belt in France (La Belli~re, Montagne...Montagne Noire district, Villeranges-Le Chfitelet district, and Limousin province). Petrographic studies...between ores, fluid inclusions, microfracturing and quartz textures show that chronological and genetic relationships...microcracks and recrystallized zones of the early quartz veins indicate two contrasting physical-chemical |  | Bouchot, Vincent, Ledru, Patrick, Lerouge, Catherine, Lescuyer, Jean-Luc, Milesi, Jean-Pierre (2005) 5: Late Variscan mineralizing systems related to orogenic processes: The French Massif Central. Ore Geology Reviews, 27 (1) 169-197 doi:10.1016/j.oregeorev.2005.07.017 | Journal (article/letter/editorial) | | Claude-Guillemin, BP6009, 45060 Orléans Cedex 2, France Received 1 June 2004; accepted 3 February 2005...reserve+s Extraction (OP= Open pit, UM = Under-ground mine) Grade (g/t Au) Tonnage (gold metal) Period ...gold deposits Au-(Sb) Le Châtelet La Marche Villeranges Viges Sb-(Au) Les Biards Les Biards Mas Séguy...succession) Quartz veins hosted by Tournaisian migmatite (Le Châtelet) and stockwork of quartz veinlets...cutting non-metamorphosed Visean rhyodacitic tuff (Villeranges) Banded and brecciated P1: Pyrrhotite, Au-arsenopyrite |  | | Journal (article/letter/editorial) | | sedimentary rocks, the early diorite and gabbro, quartz porphyry, quartz–feldspar porphyry, diabase and minor fine-grained...texture is predominantly associated with the quartz and quartz–feldspar porphyry clasts; sulfide mineralization...200 g/t) within arsenopyrite from the Villeranges deposit, France (Boirin 1987, Johan et al. 1989). Similar...concentrations have been described within the Congress mine, British Columbia (Cook & Chryssoulis 1990), and...Lodestar prospect, with mineralization as matrix (Qfp: quartz–feldspar porphyry, Gab: gabbro, Sed: sedimentary) |  | | Journal (article/letter/editorial) | | 20 54 501 Vandoeuvre Cedex France, and EMN-INPL, 54 042 Nancy Cedex France e-mail: marignac@mines.u-nancy...CREGU-UMR G2R 7566, BP23, 54 501 Vandoeuvre Cedex France Cyprus-type VMS deposits, nor massive podiform...a NW-SE alignment of small intrusive gabbro to quartz-diorite bodies de®nes the ``Limousin tonalite...Malines, uneconomic lenses with pyrite sphalerite + quartz are intercalated with Lower Cambrian dolomites;...replacement Greisens Intrabatholitic quartz veins Peribatholitic quartz veins Breccia pipe Dissemination |  | | Journal (article/letter/editorial) | | deformation and consist of extensive crack-seal quartz-veins and graphitic shear zones. Only minor amounts... Carlin (USA), and Chatelet and Villeranges (Massif Central, France) (Cathelineau et al. 1989; Cabri...formation of auriferous deposits. Based on studies from France, West Africa and South America, they propose that...in the matrix of later pyrite, arsenopyrite and quartz. This paper documents gold mineralization in the...deeper ores are dominated by large, crack-seal quartz veins with disseminated sulphides along ribbons |  | Cabri, L. J., Newville, M., Gordon, R. A., Crozier, E. D., Sutton, S. R., McMahon, G., Jiang, D.-T. (2000) CHEMICAL SPECIATION OF GOLD IN ARSENOPYRITE. The Canadian Mineralogist, 38 (5) 1265-1281 doi:10.2113/gscanmin.38.5.1265 | Journal (article/letter/editorial) | | in arsenopyrite from the Châtelet and Villeranges deposits (France). They proposed a substitution mechanism...mixed pyrite–arsenopyrite sample from the Jinya gold mine (China). They stated: “The inter-peak distance and...” In a study of invisible gold from the Campbell mine (Ontario), Tarnocai et al. (1997) also reviewed...1998), the São Bento mine in Minas Gerais, Brazil (Steele et al. 2000) and the Sheba mine in the Transvaal...(3) São Bento sample, grain SPB–1, and (4) Sheba mine sample RPS–353, grain RPS–4. In addition, a grain |  | Cathelineau, Michel, Fourcade, Serge, Clauer, Norbert, Buschaert, Stephane, Rousset, Davy, Boiron, Marie-Christine, Meunier, Alain, Lavastre, Véronique, Javoy, Marc (2004) Dating multistage paleofluid percolations: A K-Ar and 18O/16O study of fracture illites from altered Hercynian plutonites at the basement/cover interface (Poitou High, France) Geochimica et Cosmochimica Acta, 68 (11) 2529-2542 doi:10.1016/j.gca.2003.10.037 | Journal (article/letter/editorial) | | plutonites at the basement/cover interface (Poitou High, France) MICHEL CATHELINEAU,1,* SERGE FOURCADE,2 NORBERT...7566, BP 23, 54501, Vandoeuvre-lès-Nancy Cedex, France Géosciences Rennes, UMR CNRS 6118, Université...Cedex, France 3 CGS, UMR CNRS 7517, Université de Strasbourg 1, 67084, Strasbourg Cedex, France 4 HydrAsa...Poitiers Cedex, France 5 IPGP, Université Paris VII, Place Jussieu, 75005, Paris, France 6 ANDRA, Parc...de la Croix Blanche, 92298, Châtenay-Malabry, France (Received August 23, 2002; accepted in revised |  | | Journal (article/letter/editorial) | | Fluids in the Le Bourneix Gold Deposit, Central France JEAN-CLAUDETOURAY, EcoleSupdrieurede l'Energieet...desMatdriaux,Universitdd'Orldans,45067 OrldansCddex2, France ERIC MARCOUX, Bureaude Recherches Geologiques...Minigres--DAM/DEX, BP 6009, 45060 OrldansC•dex 2, France PASCAL HUBERT, EcoleSupdrieurede l'Energieet desMatdriaux...desMatdriaux,Universitdd'Orldans,45067 OrldansC•dex 2, France AND DOMINIQUE PROUST Laboratoirede Petrologie...Petrologie,Universitdde Poitiers,86022 PoitiersCddex,France Abstract The Le Bourneixgold depositin the French |  | Cheval-Garabédian, Florent, Faure, Michel, Marcoux, Eric, Gouin, Jérome, Picault, Maxime (2020) The La Bellière gold and antimony district (French Armorican Massif): A two-stage evolution model controlled by Variscan strike-slip tectonic. Ore Geology Reviews, 125. 103681pp. doi:10.1016/j.oregeorev.2020.103681 | Journal (article/letter/editorial) | | 1A Rue de la Férollerie 45071 Orléans Cedex 2, France 2: Variscan Mines, 10 rue Léonard-de-Vinci, 45074... 30 route de la Baie des Dames, 98800 Nouméa, Nouvelle-Calédonie * Corresponding author: florent-cg@hotmail...Massif is the third one of France in term of production. It shows gold-bearing quartz veins neighboring with...by a late shallower Sb event. The gold-bearing quartz veins are hosted by N60°E to N90°E sinistral strike-slip...exhibit a four-stage paragenesis: 1) early barren quartz filling, 2) arsenopyrite-pyrite with minor scheelite |  | | Journal (article/letter/editorial) | | howedthat the compact rounded pyrite grains in quartz-pebbleconglomerategold ore from the Witwatersrand...1989). For arsenopyritefrom the Central Massif, France, Johanet al. (1989) reportedenrichmentin Au and...intrusion. Alteration and ore minerals include quartz, sericite, dolomite, kaolinite, montmorillonite...ARSENOPYRITE 190 0.5 zonedarsenopyrite Le Chatelet& Villeranges 0.4 o G' 0.3 o\ tt o\ g \o tr E 8, o.z...extent, we have senopyrite from the Ch0telet and Villeranges deposits, not reproduced the complex pyrite microstructures |  | Kovalchuk, E. V., Tagirov, B. R., Vikentyev, I. V., Chareev, D. A., Tyukova, E. E., Nikolsky, M. S., Borisovsky, S. E., Bortnikov, N. S. (2019) “Invisible” Gold in Synthetic and Natural Arsenopyrite Crystals, Vorontsovka Deposit, Northern Urals. Geology of Ore Deposits, 61 (5) 447-468 doi:10.1134/s1075701519050039 | Journal (article/letter/editorial) | | the mesothermal Châtelet and Villeranges deposits at Massif Central, France was studied using SEM (Marcoux...SIMS study of sulfide minerals from the Campbell Mine, Red Lake, Ontario, Canada, revealed that the Au-rich...Au-bearing arsenopyrite from the Châtelet deposit, France, with arsenopyrite from gold deposits in Portugal...alaskite granite, (7) granodiorite, (8) diorite and quartz diorite, (9) gabbro and gabbrodiorite; (10) dikes...Vorontsovka; (14) skarn alteration; (15) gold–sulfide– quartz prospects; (16) outline of Vorontsovka gold deposit; |  | Obolensky, A.A., Gushchina, L.V., Borisenko, A.S., Borovikov, A.A., Nevol’ko, P.A. (2009) Computer thermodynamic modeling of the transport and deposition of Sb and Au during the formation of Au-Sb deposits. Russian Geology and Geophysics, 50 (11) 950-965 doi:10.1016/j.rgg.2009.10.004 | Journal (article/letter/editorial) | | According to the known classifications of ore deposits, quartz-vein Au-Sb deposits are referred to as Au-Sb or...group of gold-stibnite-quartz deposits as an ore association among other gold-quartz ore associations. At...occur in the Hercynides of the Massif Central in France † Deceased. * Corresponding author. E-mail address:...relationship with vein low-sulfide-Au-quartz and Au-scheelite-quartz deposits referred to as orogenic gold...hydrothermal-metamorphogenetic vein Au-Sb, Au-quartz, and Auscheelite-quartz deposits are known in the South African |  | | 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 |  | Mil�si, J.P., Ledru, P., Ankrah, P., Johan, V., Marcoux, E., Vinchon, Ch. (1991) The metallogenic relationship between Birimian and Tarkwaian gold deposits in Ghana. Mineralium Deposita, 26 (3) doi:10.1007/bf00209263 | Journal (article/letter/editorial) | | Avenuede Concyr, BP 6009, 45060 Orleans Cedex 2, France 2 GeologicalSurvey Department, PO Box M. 80, Accra...auriferous arsenopyrite and then by the development of quartz veinlets and native gold; thus the shear-zone mineralization...has exceeded 1000 t (Kesse 1985), or secondary in quartz-conglomerates (Tarkwa-type or Tarkwaian-hosted... 0,62 1.92 2.65 4.8 TARKWA: active mine Ntronang: closed mine Teberebie: orebody under development...sandy-conglomeratic formation containing AU1; A Ut, gold-bearing quartz-pebble conglomerate; K, Kawere sandy-conglomeratic |  | | Book | | Geology in France and Related Areas (1994) J. D. Keppie (Ed.) Pre-Mesozoic Geology in France and Related...Cataloging-in-Publication Data. Pre-Mesozoic geology in France and related areas / J. D. Keppie (ed.). p.cm.Developed...2. Geology, Stratigraphic-Paleozoic. 3. Geology-France.!. Keppie, J. Duncan. II. IGCP Project 233-Terranes...PreMesozoic Geology of France (Armorican and Central Massifs) and related areas (Aquitaine Basin, Vosges, Crystalline...the international copference held in Montpellier, France, in August, 1988, where a vast amount of new information |  | Merkulova, Margarita, Mathon, Olivier, Glatzel, Pieter, Rovezzi, Mauro, Batanova, Valentina, Marion, Philippe, Boiron, Marie-Christine, Manceau, Alain (2019) Revealing the Chemical Form of “Invisible” Gold in Natural Arsenian Pyrite and Arsenopyrite with High Energy-Resolution X-ray Absorption Spectroscopy. ACS Earth and Space Chemistry, 3 (9). 1905-1914 doi:10.1021/acsearthspacechem.9b00099 | Journal (article/letter/editorial) | | 38000 Grenoble, France Univ. Grenoble Alpes, CNRS, ISTerre, 38058 Grenoble, France § Univ. Lorraine...Lab, 54000 Nancy, France ∥ Univ. Lorraine, CNRS, GeoRessources, 54000 Nancy, France Downloaded via GUILFORD...and its potential recovery from low-grade ores and mine tailings. The systematic co-occurrence of Au and...from a refractory gold ore collected on a sandy mine tailing in Colombia, South America. The ore is composed...(90%) and minor quartz, and has no arsenopyrite. The arsenopyrite comes from the Villeranges deposit located |  | Cathelineau, Michel, Fourcade, Serge, Varlet, Michel, Marignac, Christian, Vallance, Jean, Boiron, Marie-Christine (2004) The granite hosted gold deposit of Moulin de Ch�ni (Saint-Yrieix district, Massif Central, France): petrographic, structural, fluid inclusion and oxygen isotope constraints. Mineralium Deposita, 39 (3) 265-281 doi:10.1007/s00126-003-0396-6 | Journal (article/letter/editorial) | | Chéni (Saint-Yrieix district, Massif Central, France): petrographic, structural, fluid inclusion and...pervasive sulfide crystallization. Formation of quartz veins and gold deposition occurred in two successive...maximum depth of 13 km; (2) Formation of the main quartz lodes with coeval K-alteration and introduction...7566, BP 23, 54501 Vandoeuvre-lès-Nancy cedex, France E-mail: jean.vallance@terre.unige.ch J. Vallance...cedex, France M. Varlet Société de Mines du Bourneix, Le Bourneix, 87500 Le Chalard, France C. Marignac |
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