 | Orgeval, J. J., Caron, C., Lancelot, J., Omenetto, P., Gandin, A., Libertà, A., Courjault Radé, P., Tollon, F., Laurent, Ph., Maluski, H., Béziat, P., Salpeteur, Y., Sini, G., Elter, F.M., Baratto, M. (2000) Genesis of polymetallic and precious-metal ores in the Western Mediterranean province (Cévennes, France–Sardinia, Italy) Applied Earth Science, 109 (2) 77-94 doi:10.1179/aes.2000.109.2.77 | Journal (article/letter/editorial) | | in the Western Mediterranean province (Cévennes, France– Sardinia, Italy) Downloaded by [Laurentian University]...southern Cévennes–Montagne Noire Variscan domain of France, with particular regard to the Cambrian-hosted...to the model indicated for the genesis of the Salsigne gold deposit in the Montagne Noire. A reevaluation...the lead–zinc ores. The high-tonnage deposit of Salsigne in the southern Montagne Noire (100 t gold) is...Bibaud–Tête Rousse Vigan region: (10) Les Malines old mine; (11) Sanguinède, Montdardier; (12) Falguières Northern |  | | Journal (article/letter/editorial) | | (Sb-As-Pb-Zn-Fe-Cu...) vein deposit (Montagne Noire, France) M . M u n o z 1 and T. J. Shepherd 2 1 Laboratoire...Sabatier, 39, All6es Jules Guesde, 31400 Toulouse, France 2 Isotope Geology Unit, British Geological Survey...occurrences in the Montagne Noire region, southern France. Its aim is to characterize the fluids associated...rocks which from bottom to top are arkosic, quartz-sericite schists and siltstones, then an alternating sequence...of ca. 290 Ma (Hamet 1975), intrudes the quartz-sericite schists. Low-pressure contact metamorphism (< |  | | Journal (article/letter/editorial) | | Central, France V. Bouchot, Y. Gros, and P. Piantone BRGM, B.P. 6009, F-45060 Orleans Cedex 02, France Received:...of Montluqon in the northwestern Massif Central (France), is the only mined deposit in the La Marche district...and to about 400 m downdip. Reconnaissance of the mine area through adits in the earlier part of the century...diDpoaits Fig. IA, B. The La Marche gold district (France). A Location of the La Marche gold district in...contains, in addition to the old Le ChMelet gold mine, the Viges, Villeranges, Rierette and Taury Au-arsenopyrite |  | | Journal (article/letter/editorial) | | avenue Claude Guillemin, BP 6009-45060 Orléans, France Abstract The textures and mineralogical assemblages...collected from surface exposures and underground mine levels. The mineralogy was determined from polished...the Bureau de Recherches Géologiques et Minières, France. Pongkor, Indonesia The geology of the Pongkor...observed in the mineralized bodies cut by underground mine galleries (500, 550, 600, 650, and 690 m.a.s.l.)...2001). Mine gallery samples (690–500 m.a.s.l) Supergene alteration is clearly developed in the mine galleries |  | | Journal (article/letter/editorial) | | and pyrite - accompanied by quartz, adularia, sericite, + (tourmaline, chlorite, carbonates, graphite)... EXPLAN A~-O-N. . . . . ~ . Goldprospeet ~r old mine - - - vein Typelolluvtal ~ Idetollotect I PRE~RIAN...Mineralogical composition Gangue Quartz, adularia, sericite, tourmaline, chlorite, accessory carbonates, scheelite...accompanying silicates - chiefly quartz and adularia, _ (sericite, tourmaline, chlorite) - and accessory carbonates...intrusions Fracture ~---- . . . . Inferred . ~ Mine / prospect A-A' W.NW. / contact Inferred thrust |  | Weihed, Jeanette Bergman, Bergstrom, Ulf, Billstrom, Kjell, Weihed, Par (1996) Geology, tectonic setting, and origin of the Paleoproterozoic Boliden Au-Cu-As deposit, Skellefte District, northern Sweden. Economic Geology, 91 (6) 1073-1097 doi:10.2113/gsecongeo.91.6.1073 | Journal (article/letter/editorial) | | /r•Pyrrhotite ore ß¾ Tourmaline vein • ...... • Sericite alteration • • { 41 II Younging direction ...Phenocryst sizeis normallyin variable amountof sericite andchloriteiscommonly accom- the range1 to 2 mmbut...apatiteandsulfides. andbiotitewithvaryingamounts of sericite. Dacitesareexposed in a beltsoutheast of the daciticbrecThe...largerbasaltandesite unitis presentnortheast of the mine,immediately The hydrothermal alteration aroundthe...andalusite-sericite-quartz rock, Twoquartzporphyry stocks intrudethedaeitiemassflows sericite-quartz andintrusions |  | | Journal (article/letter/editorial) | | the Timmins-OchaliBerlin mine, Columbia (Fisher, 1950) and at the O'Brien mine, Quebec (Mills, 1954). However...character. Gold and silver grains from the Ross Mine, Ontario, 339 SILVER CONTENT (FINENESS) OF GOLD...in intrusive rocks (Troop, 1986) suggest the Ross Mine may have a different origin to typical Abitibi Belt...carbonate replacement deposits, such as Cariboo, Salsigne (Fig. 2 ) or Carlin (Fig. 7 ). A number of genetic...deposits, Cariboo, (British Columbia) and Salsigne, (France) have carbonate replacement as well as quartz |  | Bierlein, F.P, Fuller, T, Stüwe, K, Arne, D.C, Keays, R.R (1998) Wallrock alteration associated with turbidite-hosted gold deposits. Examples from the Palaeozoic Lachlan Fold Belt in central Victoria, Australia. Ore Geology Reviews, 13 (1) 345-380 doi:10.1016/s0169-1368(97)00026-7 | Journal (article/letter/editorial) | | Territories, Canada., the Otago Goldfield ŽNew Zealand., Salsigne ŽFrance., Cariboo district ŽBC, Canada., Muruntau...assemblage consists of quartz, ferroan dolomite, sericite, pyrite, arsenopyrite and Cr-mica. This alteration...alteration ŽSteed and Morris, 1986.. Carbonate– sericite alteration envelopes around auriferous quartz...widths of 0.9 to 3.5 m and consist of calcite, sericite, pyrite, arsenopyrite and kaolinite. Kontak F...halo with any accuracy. The geometry of the reefs, mine-specific problems Ži.e. common absence of extensive |  | | Book (volume) | | to try to list all of the mining geologists and mine managers who made these visits possible and who...deposits in countries of Western Europe, other than France. With a sound knowledge of French, however, it...dans des pays d'Europe de l'Ouest autres que la France. ^Cependant, avec une bonne connaissance de base...Minieres, Boite Postal 6009, 45060 Orleans Cedex, FRANCE .Pe3K)Me KaK H Tpex npe,miiecTByK)Lnnx B ...which are considered here, are: Portugal, Spain, France, Belgium-the Netherlands-Extreme Western Germany |  | Verplanck, Philip L., Mueller, Seth H., Goldfarb, Richard J., Nordstrom, D. Kirk, Youcha, Emily K. (2008) Geochemical controls of elevated arsenic concentrations in groundwater, Ester Dome, Fairbanks district, Alaska. Chemical Geology, 255 (1) 160-172 doi:10.1016/j.chemgeo.2008.06.020 | Journal (article/letter/editorial) | | Sardinia, Italy (Cidu et al., 1995). In fact, the Salsigne gold deposit in the French Alps was the world's...material. Vein alteration minerals include albite, sericite, ankerite [Ca (Fe,Mg,Mn)(CO3)2], and carbonaceous...chemistry. Two domestic wells up-gradient from the mine property (EDP021 and MW53) have dissolved arsenic...dissolved As concentrations in monitoring wells on the mine site is 9.2 to 845 µg/L, with a median value of...Arsenic speciation in porewaters from the Ashanti Mine, Ghana. Applied Geochemistry 9, 15–22. Boyle, D |  | Vial, D.S., Duarte, B.P., Fuzikawa, K., Vieira, M.B.H. (2007) An epigenetic origin for the Passagem de Mariana gold deposit, Quadrilátero Ferrífero, Minas Gerais, Brazil. Ore Geology Reviews, 32 (3) 596-613 doi:10.1016/j.oregeorev.2005.03.017 | Journal (article/letter/editorial) | | from the end of the 17th Century until 1954. The mine has not operated since 1985. Orebodies are veins...(N 60 vol.%), carbonate (ankerite), tourmaline, sericite and sulfides. Tourmaline (dravite), up to 10 vol... Tourmaline is present in all rock types in the mine, but the chemical composition of the host rocks...being greater in sericitic phyllites, graphite–sericite phyllites, and calcareous rocks. The most abundant...commonly, with calcareous rocks, and graphite–sericite phyllite. Pyrrhotite is usually found at the base |  | | Book (volume) | | Emberger and the following national chapters: France and Luxembourg by J. Bouladon Spain by F. Vazquez...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...Elisa and Dorinda Barruecopardo Golpejas or Bellita mine Morille-Martinamor El Cubito El Trasqui16n. Santa...this introduction, comprises the territories of France, Luxembourg, Italy, Spain and Portugal. It covers |  | Groves, D.I, Goldfarb, R.J, Gebre-Mariam, M, Hagemann, S.G, Robert, F (1998) Orogenic gold deposits: A proposed classification in the context of their crustal distribution and relationship to other gold deposit types. Ore Geology Reviews, 13 (1) 7-27 doi:10.1016/s0169-1368(97)00012-7 | Journal (article/letter/editorial) | | typical in metamorphosed igneous rocks. In fact, the Salsigne gold deposit in Cambrian sedimentary rocks of...alteration assemblages of Fe sulfide–carbonate–sericite " albite Žin rocks of appropriate composition...condensate Ž high sulf. . 0.02 – 1 adularia– sericite– quartz Žlow sulf. . versus quartz– alunite– kaolinite...KF zone surrounded by quartz– chlorite; common sericite– pyrite overprinting; distal propylitic alteration...zones of the Saint Yrieix district, Massif central, France. Evidence from the Le Bourneix and Laurieras gold |  | | Journal (article/letter/editorial) | | Stratigraphy Fleischer(1971) is shownin Table 1. The mine of Passagemde Mariana is situated7 The baseof the...pebbles show abundant cross- bedding Chlorite-sericite-schist, metatuff, graywacke; tillold conglomerate;... absence whichwasexploitedmainlyat the Passagem mine,is tions which producedfacies changesin the Minas...barren zones. Between the extreme The Passagemgold mine exploiteda rather uneasternpart of Ouro Preto and...bandingof is thus the Batatal formation, which in the mine neighboringblocksnor to the beddingof the encontainsthree |  | | Journal (article/letter/editorial) | | planar or en-echellon patterns and typically show sericite-sulfide alteration envelopes. They are confined...within the quartz-sericite-biotite schists, sericitepyrite-quartzites, and quartz-sericite-phyllites of the...felsites (Pavlides et al., 1982), and in quartz-sericite schists (Mangan et al., 1984). Quartz-Au vein-type...sulfides in Neoproterozoic to early Cambrian shales (Salsigne), granite-hosted quartz-As-Au veins (Moulin de...are restricted to polymetamorphic muscovite and sericite schists and gneisses that have been interpreted |  | | Journal (article/letter/editorial) | | commonly intrude turbidities, causing pervasive sericite, chlorite, epidote and carbonate alteration. K–Ar...alteration, with pyrite, arsenopyrite, quartz, sericite, chlorite and carbonate as the most common alteration...(“smoky”) color. Middle stage quartz grains occur with sericite, fine-grained anhedral pyrite and other sulfides...weak recrystalization and deformation common Weak sericite and carbonate alteration Veinlets in broken structure...with sulfides and show similar direction Strong sericite, carbonate and sulfide alteration 4 H.Y. Chen |  | Feybesse, Jean-Louis, Billa, Mario, Guerrot, Catherine, Duguey, Emmanuel, Lescuyer, Jean-Luc, Milesi, Jean-Pierre, Bouchot, Vincent (2006) The paleoproterozoic Ghanaian province: Geodynamic model and ore controls, including regional stress modeling. Precambrian Research, 149 (3) 149-196 doi:10.1016/j.precamres.2006.06.003 | Journal (article/letter/editorial) | | Orléans, France BUM/DEX, AREVA NC, 2-4, rue Paul Dautier, 78141 Vélizy Villacoublay, France Received...metamorphic grade—i.e. shallow greenschist (chlorite-sericite) to non-metamorphosed facies in the Sunyani, Kumasi-Afema...granites is of the greenschist type (chlorite, sericite). • The presence of tourmalinite in the shear...structural sections of the Bibiani and Chirano gold mine areas. Note that the geometry of the syncline in...sections and structural model (map) of the Ashanti gold mine. Chronological geometric and kinematic analysis |  | | Report (issue) | | deposit. Table 4, part B, gives an alphabetic list of mine and properties followed by the deposit name. CHARACTERISTICS...of deposits used in Table 1 may represent a major mine, district name, or local town name or other prominent... Pyrrhotite appears to be been reported in just a single mine in the East Belt of the Sierra Nevada foothills...(Malcolm, 1912), galena was widely considered by mine operators to be correlated with better gold grades...was described in a carbonate quartz veinlet in one mine in the Mother Lode system (Knopf, 1929). Method |  | | 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...comprehensive account of the PreMesozoic Geology of France (Armorican and Central Massifs) and related areas...the international copference held in Montpellier, France, in August, 1988, where a vast amount of new information |  | | Journal (article/letter/editorial) | | planes. Fig. 2A, B. lip and Vo veins, Mari Rosa mine, main drive. A Vp vein parallel to the $2 main shistosity... As stated earlier, hydrothermal chlorite and sericite were difficult to detect due to the metamorphic...sample; Host rocks, samples from the main drive of the mine; VpC and VoC, lip and Vo contact zones; VoC, VoC...Jobin-Yvon M O L E Raman microprobe (BRGM, Orleans; France). Salinity estimated from Tm ice Type I Type...the Hesperian Massif in many aspects) for the Salsigne deposit suggest a complex metallogenic evolution |  | Liu, Biao, Li, Huan, Wu, Qian-Hong, Kong, Hua, Xi, Xiao-Shuang (2019) Double-vein (ore-bearing vs. ore-free) structures in the Xitian ore field, South China: Implications for fluid evolution and mineral exploration. Ore Geology Reviews, 115. 103181 doi:10.1016/j.oregeorev.2019.103181 | Journal (article/letter/editorial) | | addition to two stages of quartz (Qz1 + Qz2), sericite is present in the ore-free quartz veins (Fig....of granitoids and quartz veins in the Shihu gold mine, Taihang Orogen, North China: Timing of gold-mineralization...Serment, R., Touil, A., 2006. The Salsigne Au-As-Bi-Ag-Cu deposit, France. Economic Geology 101, 199–234...formation of gold-quartz veins‒The Morro do Ouro Mine, Ribeira Belt, Brazil. Ore Geology Reviews 56, 442–456...Xiangdong W deposit; (b) Stage I ore-free quartz (with sericite alteration) in the Xiangdong W deposit; (c) Stage |  | 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...domain of the Armorican Massif is the third one of France in term of production. It shows gold-bearing quartz...which displays the most important gold reserves in France, has been studied since more than thirty years...sample), and 40% in fresh outcrops around La Bellière mine, Bégrolle, and Belleville (Fig.3A) occurrences....bleaching, silicification, and a neoformation of sericite, and sulfide (mostly pyrite). A 4 to 5m thick |  | | Report (volume) | | excursion around and in the Passagem de Mariana gold mine, Minas Gerais, Brazil, by Ronald Fleischer and Diogenes...Scipioni Vial A49 Excursion to the Morro Velho gold mine, Minas Gerais, Brazil, by Frederico Wallace Reis...Lima de Oliveira A63 Excursion to the Cuiaba gold mine, Minas Gerais, Brazil, by Frederico Wallace Reis...(lower left), Stop 14 (center right) Morro Velho gold mine(left, center left, lower right) Introduction to... Structural complexities, Passagem de Mariana gold mine Mafic and ultramafic rocks at C6rrego dos Boiadeiros |  | | Journal (article/letter/editorial) | | in Middle Devonian time pyrite, arsenopyrite, sericite, chlorite, and/or (Gao and Kwak, 1995). This gold...Wattle Gully (in the BBZ arsenopyrite, pyrite, sericite, chlorite, minor east of Muckleford Fault), and...here are discussed in the next section. Maxwells Mine Usable fluid inclusions were found in quartz of...inclusions in vein and carbonate from the Maxwells Mine. Abbreviations: PR = primary; PS = pseudosecondary;...fluid inclusions in quartz samples from the Maxwells Mine. for the lowering of T m CO 2 of the Type-II inclusions |  | | Journal (article/letter/editorial) | | Laboratoire de G~ologie Appliqu&, Universit~ de Paris, France* These notes, which summarize part of over ten...the scheelite and the stibine of the C6vennes (France). We should emphasize once more the damage done...concerned with the deposit of Les Malines (Gard, France), our knowledge of which is here condensed in the...cross-sections, WE and NS, through the mine of LesMalines (Gard, France) (from documents of the Penarroya...model, for all the deposits exploited in Les Malines mine. And here the shades of meaning between consanguineous |
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