 | | Journal (article/letter/editorial) | | Auriferous Shear Zones of the Saint Yrieix District, Massif Central, France: Evidence from the Le Bourneixand...Gdologiques et Minidres,BP 6009, 45060 Orldans,France Abstract At least2,000 occurrences of goldmineralization... deposits, occur in the Saint Yrieix district, in the MassifCentral, France. Two of these, the Le Bourneixand...serieitizationandthe introductionof disseminated pyrite,arsenopyrite, rutile, andorganicmatteralongthe...sitsin the searchfor new tral of France,about30 km southof Limoges,in the economictargetsin the district |  | 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 OrleÌans Cedex 2, France Received 1 June 2004; accepted 3 February 2005...were coeval with the VMS deposits in the Iberian Pyrite Belt (Tornos et al., 2005âthis volume). The final...reserve+s Extraction (OP= Open pit, UM = Under-ground mine) Grade (g/t Au) Tonnage (gold metal) Period ...10 7 to 8 10 to 14 24 (after sorting) 114 t 37 t La Marche district OP and UM OP UM UM 1912 1921 1982...production (XX century): 162 t Au Salsigne district St-Yrieix district 10.8 t to to to to 2003 1945 2002 1914 |  | | Book | | CHERCHEUR D'OR EN FRANCE Dans la mĂȘme collection : J.-C. Baudot et J. SĂ©guĂ©la : La terre en rond....Pierre Chenal : La derniĂšre tempĂȘte. Pierre Clostermann : Le grand cirque. Anne-France Dautheville : Une...moto. Et j'ai suivi le vent. RenĂ© Desmaison : La montagne Ă mains nues. 342 heures dans les Grandes...sahariens. Jean-Claude HallĂ© : François Cevert : « La mort dans mon J.-Y. Le Toumelin : Kurun autour du...Pari sur la chance. Freddy Tondeur : 10 000 heures sous les mers. A. Viant et P. Carpentier : La course |  | 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 leÌs Nancy cedex, France b School of Earth Sciences, University of Leeds...Beaulieu, Av. du Gal Leclerc, 35042 Rennes cedex, France Abstract A detailed geochemical study of fluids...deposit fluids (quartz veins in the gold-bearing Saint-Yrieix district (Bouchot et al., 1989; Boiron et al...setting 2.1. The French Massif Central 2.1.1. The Saint -Yrieix district This district is a major metalliferous...deposits such as LaurieÌras, Bourneix, Moulin de Cheni, La FagassieÌre which formed during the intense hydrothermal |  | | 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 OrldansCâądex 2, France PASCAL HUBERT, EcoleSupdrieurede l'Energieet desMatdriaux...desMatdriaux,Universitdd'Orldans,45067 OrldansCâądex 2, France AND DOMINIQUE PROUST Laboratoirede Petrologie...Petrologie,Universitdde Poitiers,86022 PoitiersCddex,France Abstract The Le Bourneixgold depositin the French |  | | Journal (article/letter/editorial) | | SULFIDES IN THE SOUTH LIMOUSIN AREA, MASSIF CENTRAL, FRANCE: REMOBILIZED SULFIDE DEPOSITS RELATED TO VARISCAN...Guillemin, 45060 OrlĂ©ans Cedex 2, France, and Institut des Sciences de la Terre, de lâeau et de lâUnivers...Place EugĂšne Bataillon, 34095 Montpellier Cedex 05, France Abstract This paper investigates the relationship...dynamically recrystallized quartz, syntectonic pyrite, pyrrhotite, sphalerite, chalcopyrite, and late...the south Limousin area of the Massif Central, France. The significance of these peculiar ore deposits |  | El Korh, AfifĂ©, Boiron, Marie-Christine, Cathelineau, Michel, Deloule, Etienne, Luais, BĂ©atrice (2020) Tracing metallic pre-concentrations in the Limousin ophiolite-derived rocks and Variscan granites (French Massif Central) Lithos, 356. 105345 doi:10.1016/j.lithos.2019.105345 | Journal (article/letter/editorial) | | of Cedex, France 2 ro UniversitĂ© de Lorraine, CNRS, GeoRessources, F-54000 Nancy, France -p *Corresponding...the Limousin (St-Yrieix, Cheni, LauriĂ©ras) show the smallest concentrations. belt; LA-ICP-MS 1. Introduction...incompatible metallic trace elements Journal Pre-proof by LA-ICPMS in a series of basic and ultrabasic rocks from...composition of a series of samples from La Flotte, Le Cluzeau and Saint-Laurent (St-Laurent) ophiolite-derived...described by Dubuisson et al. (1989). Serpentinites from La Flotte (FLOT1, FLOT2a, FLOT2b) and Le Cluzeau (CLUZ6) |  | BodĂ©nan, F., Baranger, P., Piantone, P., Lassin, A., Azaroual, M., Gaucher, E., Braibant, G. (2004) Arsenic behaviour in gold-ore mill tailings, Massif Central, France: hydrogeochemical study and investigation of in situ redox signatures. Applied Geochemistry, 19 (11) 1785-1800 doi:10.1016/j.apgeochem.2004.03.012 | Journal (article/letter/editorial) | | behaviour in gold-ore mill tailings, Massif Central, France: hydrogeochemical study and investigation of in...C. Guillemin, BP 6009, 45060 Orleans Cedex 2, France Received 30 September 2003; accepted 28 March 2004...Au-ore exploitation at the Cheni mine in the Massif Central, France, generated 525,000 tonnes of ïŹnely...(<1%), also contain sulphides (around 5%, mainly pyrite and arsenopyrite). Arsenic content of the tailings...2000), Great Britain (Bowell and Bruce, 1995) and France (Roussel, 1998). This paper seeks to better understand |  | Courtin-Nomade, A., Bril, H., Beny, J.-M., Kunz, M., Tamura, N. (2010) Sulfide oxidation observed using micro-Raman spectroscopy and micro-X-ray diffraction: The importance of water/rock ratios and pH conditions. American Mineralogist, 95 (4) 582-591 doi:10.2138/am.2010.3331 | Journal (article/letter/editorial) | | UniversitĂ© de Limoges, GRESE, EA 4330, FST, 123, avenue Albert Thomas, 87060 Limoges cedex, France UniversitĂ©...de la Terre dâOrlĂ©ans (ISTO), UMR 6113, 1A, rue de la FĂ©rollerie, 45071 OrlĂ©ans, cedex 2, France 3 Advanced...AbstrACt Oxidative dissolution of arsenopyrite and pyrite from two former mining sites located in the French...with a high solid/solution ratio. In contrast, the Cheni site shows near neutral conditions (pH ~ 6.3) and...the surface of the sulfide. Both arsenopyrite and pyrite oxidation are characterized by the formation of |  | | 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 |  | | Book (volume) | | Emberger and the following national chapters: France and Luxembourg by J. Bouladon Spain by F. Vazquez... Zr, Mn, Al, Mg, REEs Non-metallic commodiries Pyrite, sulphur, phosphates, borates, potash, salt, diamond...Romania and Yugoslavia; and Southwest Europe embraces France, Spain, Portugal and Italy. Each volume has an...of large sedimentary basins Conclusions 30 31 France and Luxembourg by J. Bouladon Introduction 37...Basin (including Lorraine and Luxembourg) and Aquitaine Basin (zone E) Iron. Sulphur Gypsum and anhydrite |  | Fourcade, S, Michelot, J.L, Buschaert, S, Cathelineau, M, Freiberger, R, Coulibaly, Y, Aranyossy, J.F (2002) Fluid transfers at the basement/cover interface. Chemical Geology, 192 (1) 99-119 doi:10.1016/s0009-2541(02)00192-4 | Journal (article/letter/editorial) | | trace carbonate from granitoid basement rocks (France) S. Fourcade a,*, J.L. Michelot b, S. Buschaert...Rennes 1, Campus de Beaulieu, 35042 Rennes Cedex, France Laboratoire dâHydrologie et de GeÌochimie Isotopique...91405 Orsay, France c CREGU-UMR G2R 7566, BP23, 54501 Vandoeuvre-leÌs-Nancy Cedex, France d ANDRA, Nuclear...Management Company, Parc de la Croix Blanche, 92298 Chatenay-Malabry, France e Institut fuÌr Mineralogie...drilling has been performed of a granitoid body (Vienne, western part of the French Massif Central) overlain |  | | Corporate Document | | 5.3 Kasperske Hory 6. FRANCE, MASSIF CENTRAL 6.1 Laurieras 6.2 Moulin de Cheni 7. UKRAINE 7.1 Skelevatske-Magnetitove...dominance of pyrrhotite and calcite instead of pyrite and dolomite in the deposits, suggest that the... epidote - pyrrhotite. Other ore minerals present are: pyrite, arsenopyrite, chalcopyrite, sphalerite, galena...hosts to the ore. Abundant biotite with idioblastic pyrite characterise the alteration related to gold mineralisation...feldspar - albite - calcite - chlorite - epidote pyrite - rutile - tremolite-actinolite - tourmaline - |  | 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) | | ROBERT MORITZ, LLUĂS FONTBOTĂ, Section des Sciences de la Terre, UniversitĂ© de GenĂšve, Rue des MaraĂźchers 13...of the 330 to 327 Ma Pataz batholith; (2) at the mine scale, strong lithological controls of the vein...sequence, with a first stage composed of milky quartz, pyrite, arsenopyrite, and ankerite and a second stage...alteration with minor chlorite, carbonate minerals, and pyrite associated with strong bleaching in plutonic rocks...of the province above Huaylillas (Fig. 1), is the La Estrella Fe ± Au skarn, with gold grades of as much |  | | Book | | billion tons. Other countries, such as Australia and France and doubtless the U.S.S.R., likewise established... . . . . . . . . . . . . . . . . . Pitchblende-Pyrite ( ± Pb, Cu, Ag Sulfides) Type . . . . . . . . ...radium; thus outcrops of radioactive ores rich in pyrite that are weathered may be leached selectively of...Fig. 2.2). Pyrite-uraninite po}ycrystals copsist of thin alternate crystal zones about a pyrite nucleus...masses intricately intergro,vn vvith he1natite, pyrite, other sulfides, and gangue 1ninerals; some occurs |  | Wang, Qingfei, Zhao, Hesen, Groves, David I., Deng, Jun, Zhang, Qiwei, Xue, Shengchao (2020) The Jurassic Danba hypozonal orogenic gold deposit, western China: indirect derivation from fertile mantle lithosphere metasomatized during Neoproterozoic subduction. Mineralium Deposita, 55 (2) 309-324 doi:10.1007/s00126-019-00928-x | Journal (article/letter/editorial) | | quartz (Fig. 3d) with minor scheelite, molybdenite, pyrite, chalcopyrite, sphalerite, and trace gold and electrum...3d) with minor chalcopyrite, sphalerite, galena, pyrite, and major gold. Analysis of H2Oâ CO2âNaCl fluid...ore-related pyrite from Daping in Ailaoshan belt (Zhang et al. 2018), Jiaodong ore-related pyrite (Mao et...Danba ore and wall rocks, Jiaodong ore-related pyrite (Yang and Zhou 2001; Qiu et al. 2002; Tan et al...the hypozonal orogenic gold deposits, including Yrieix in the French Massif Central Fig. 7 Plot of estimated |  | Mehrabi, Behzad, Siani, Majid Ghasemi, Goldfarb, Richard, Azizi, Hossein, Ganerod, Morgan, Marsh, Erin Elizabeth (2016) Mineral assemblages, fluid evolution, and genesis of polymetallic epithermal veins, Glojeh district, NW Iran. Ore Geology Reviews, 78. 41-57 doi:10.1016/j.oregeorev.2016.03.016 | Journal (article/letter/editorial) | | contamination. Sulfur isotope values for chalcopyrite, pyrite, sphalerite, and galena are mainly -7.3 to +1.3...east of the North Glojeh veins. However, historic mine workings can be seen as tunnels and wells in the...containing massive to disseminated pyrite and magnetite (Figs. 5c, 6a). Pyrite occurs as euhedral grains, locally...euhedral to anhedral and shows intergrowth with pyrite, and its composition is homogeneous. Sub-stage...famatinite, chalcocite, covellite, bournonite, and pyrite, which are deposited surrounding chalcopyrite (Fig |  | Kim, Yeongmin, Lee, Insung, Oyungerel, Sodnom, Altanzul, Chikalov, Jargal, Luvsanchultem, Kim, Nak Kyu (2020) Geology, mineralogy and stable isotope geochemistry of the Dzuunmod area in northern Mongolia: Constraints for gold ore genesis and sources. Ore Geology Reviews, 118. 103213 doi:10.1016/j.oregeorev.2019.103213 | Journal (article/letter/editorial) | | siliceous and potassic) and ore mineral assemblages (pyrite and arsenopyrite with minor amount of galena, sphalerite...Gold occurs as native form and invisible gold in pyrite and arsenopyrite. The major sulfide minerals are...sulfide mineralization. Gold and arsenic content of pyrite grains indicates that gold exists mainly as solid...Sujigtei deposit. High Co/Ni and Mo/Ni ratios of pyrite grain suggest a post-sedimentary or hydrothermal...mineralization processes. Large variation of ÎŽ34S values of pyrite and arsenopyrite from -2.6 â° to 17.2 â° indicates |  | Kouhestani, Hossein, Mokhtari, Mir Ali Asghar, Chang, Zhaoshan, Johnson, Craig A. (2018) Intermediate sulfidation type base metal mineralization at Aliabad-Khanchy, Tarom-Hashtjin metallogenic belt, NW Iran. Ore Geology Reviews, 93. 1-18 doi:10.1016/j.oregeorev.2017.12.012 | Journal (article/letter/editorial) | | into five stages, with most ore minerals, such as pyrite and chalcopyrite being formed in the early stages...veins and breccias that contain variable amounts of pyrite, and chalcopyrite (Fig. 5C, D). The veins are dominated...deposit consists of chalcopyrite (>50 vol. %), pyrite (â€15 vol. %), and hematite (â€10 vol. %) with supergene...relict chalcopyrite are observed (Fig. 7A, B). Pyrite is mainly disseminated, fine- to coarsegrained...and are usually replaced by goethite (Fig. 7C). Pyrite is generally irregularly distributed in the ores |  | Kesarwani, M., Sarangi, S., Srinivasan, R., George, B.G., Singh, S.K, Bhattacharya, S., Vasudev, V.N. (2019) Origin of granodiorite hosted Neoarchaean orogenic gold ore deposits: Stable isotopic and geochemical constraints with example from the Dharwar craton, southern India. Ore Geology Reviews, 107. 754-779 doi:10.1016/j.oregeorev.2019.03.001 | Journal (article/letter/editorial) | | correlation between La/Sm (n) and Th/Nb , Ba/Th and Th/Nb, La/Sm(n) and Th/La, La/Sm (n) and U/Nb, La/Sm(n) and...responsibility of producing gold and developing the mine. 3. Materials and methods As the focus of the present... calcite, dolomite and hornblende. Most of the pyrite minerals are euhedral with perfect cubic to subhedral...in granodiorite. The major ore minerals include pyrite, pyrrhotite, chalcopyrite, arsenopyrite with minor...are the most abundant sulphide mineral (Fig 5). Pyrite is euhedral to subhedral belonging to two generations; |  | Kouhestani, Hossein, Mokhtari, Mir Ali Asghar, Qin, Kezhang, Zhao, Junxing (2019) Fluid inclusion and stable isotope constraints on ore genesis of the Zajkan epithermal base metal deposit, TaromâHashtjin metallogenic belt, NW Iran. Ore Geology Reviews, 109. 564-584 doi:10.1016/j.oregeorev.2019.05.014 | Journal (article/letter/editorial) | | quartz-chalcopyrite-pyrite veins, (2) quartz-galena-sphalerite ± chalcopyrite ± pyrite veins and breccias...quartz-carbonate veinlets. The primary metallic minerals are pyrite, chalcopyrite, sphalerite, galena, and trace amounts...include apatite, zircon, sphene and clinopyroxene. LAâICP-MS UâPb analyses of zircons from dacitic domes...monzonite to granodiorite intrusions (Fig. 3). Zircon LAâICP-MS UâPb ages of 37.9 ± 1.7 Ma obtained from the...commonly in the veins (Fig. 4F and G). SulïŹde (pyrite, chalcopyrite, galena, and sphalerite) content |  | | Book (volume) | | and the corresponding citation (Hudson Bay 309 mine). in Ref. 4, line Z, for 670 read 676. 310 in...for La^O read 771 in caption to analysis no. l,for Al2Ta20 read Al2Ta208. 772 4, up for La.203...say that this guarantee did much to deterrepaid. mine the award of the grant. To Mr. W. 0. Wiley, Chairman...1-8. 10, vol. Ann. mines. Annales des mines. (France, Ministere des travaux publiques, des postes et...Bulletin: vol. 1, 1878-85 as Societe mineralogique de France. Index: 1-10; 11-20; 1878-date. 21-30; 31-40. Bull |  | | Conference Proceedings (Volume) | | Prospect â Apuseni Mountains (Romania): constraints from LA-ICP-MS/ TIMS dating, trace and REE geochemistry of...inorganic carbon (DIC) reveal the importance of pyrite-derived sulphuric acid weathering on silicates...Rose-Koga 2, Pierre Schiano 2 Institut des sciences de la Terre, University of Lausanne, batiment Geopolis...Cezeaux, 6 Avenue Blaise Pascal, 63170 AubiĂšre, France 1 Melt inclusions are small droplets of melt...(thomas.bovay@unibe.ch) 2 Institut des sciences de la Terre, University of Lausanne, BĂątiment Geopolis |  | He, Wei-Hong, Shi, G. R., Zhang, Ke-Xin, Yang, Ting-Lu, Shen, Shu-Zhong, Zhang, Yang - Eds. (2019) Brachiopods around the Permian-Triassic Boundary of South China. Springer Singapore. doi:10.1007/978-981-13-1041-6 | Book | | mudstone) Volcanic claystone Si C C Si Si C Pyrite-rich layer Mudstone Limestone Shale Chert ...condition variations in ramp settings, South China: Pyrite framboid evidence. Geological Society of America...condition in Fig. 7.1c is based on the study of pyrite framboids (see Chap. 8). The estimation for palaeo-bathymetry...availability in relation to water depths, we studied the pyrite framboids. Generally, in an euxinic condition,...with a few large individuals together with some pyrite crystals; in an upper dysoxic condition, framboids |  | | Catalog/List | | with red cavity. 2. 3. ALSTONITE, Fallowfields Mine,Hexham,Northumberland. Sharp,creamy,small spikey...00. 11 length) ;'cross". ANGLESITE. Tsumcorp Mine,Tsumeb 1 0tavi,S.W.Africa. Choice,gemmy,flattened...3x2x11; 1', 25. 00. 16. ARSENOPYRITE.P endarves Mine , Camborne , Cornwall . Si 1 very ~e ll. âąâąf oraie...11 ,~15.oo. âą .. 18. 19 âą AURICHALCITE. 79 Mine, Gila Co.,Arizona,U.SrA, Lustrous turquoise-blue...~10 00. ·* AURICHALCITE/HEMIMORPHITE, Golconda Mine, Brassinr;ton, Derbyshire. Rich gree~ish radiating |
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