 | | Journal (issue) | | M. Gressm an tgressman@comcast.n et The Musonoi mine, Kolwezi District, Lualaba Province, Democratic...COVER: METATORBERNITE, 6.6 cm, from the Musonoi mine, Kolwezi District, Democratic Republic of the Congo...and on the best grossular garnets from the Jeffrey mine (2015). The Yukon Territory has been one of Rod's...west of the Mackenzie River Delta. The Nanisivik mine on Baffin Island was another prolific locality pioneered...Nanisivik mine, at Rapid Creek in the Yukon, at the El Bonanza mine, at the Society Girl mine, and at Emerald |  | Verhaert, Michèle, Bernard, Alain, Dekoninck, Augustin, Lafforgue, Ludovic, Saddiqi, Omar, Yans, Johan (2017) Mineralogical and geochemical characterization of supergene Cu–Pb–Zn–V ores in the Oriental High Atlas, Morocco. Mineralium Deposita, 52 (7) 1049-1068 doi:10.1007/s00126-017-0753-5 | Journal (article/letter/editorial) | | secondary sulfides in the cementation zone (bornite, digenite, chalcocite, covellite), (2) the formation of...UMR 8148 GEOPS, Bâtiment 504, 91405 Orsay Cedex, France 4 Laboratoire Géosciences, Université Hassan...Wadjinny (1998), the exploitation of the Jbel Haouanit mine, until its closure in 1954, yielded 150,000 tons...at Jbel Haouanit (2.5 km away from the principal mine) for Cu and V ores (Fig. 1). In the Bou Arfa area...excavations located 2.5 km away from the principal mine also exhibit mineralized veins hosted by Jurassic |  | | Journal (article/letter/editorial) | | PENINSULA Wayne County International Salt C o . mine—Detroit Alpena County National G y p s u m C o... palygorskite, pyrite, quartz, sphalerite Spurr mine—Imperial Heights (near Michigamme) clinochlore var...selenite U . S . G y p s u m C o . quarry T a y l o r mine (and outcrops)—Alberta barite (r), goethite, graphite...marcasite, pyrite Kent C o u n t y Grand Rapids Gypsum C o . mine—Wyoming Delta C o u n t y (old quarry...gypsum var. satin spar and selenite Isabella (near Grand Dickinson C o u n t y Rapids) celestite (r), gypsum |  | | Journal (article/letter/editorial) | | to double through 2050, exceeding production. The mine production will peak in a narrow window of time...2042, possibly in 2036 for copper and in 2030 for silver, and then begin to decline [5]. However, the full...copper and silver, from reduced sediments ore mineralization 1). oxidized barren in copper and silver, fromwith...processed by pulverizing and flotation, copper-silver concentrates are smelted in shaft and flash furnace...540 kt of electrolytic copper and 1200 tons of silver a year. In 2018, KGHM Polska Miedź (KGHM), the |  | Wenrich, K.J., Verbeek, E.R., Sutphin, H.B., Modreski, P.J., Van Gosen, B. S., Detra, D.E. (1990) Geology, geochemistry, and mineralogy of the Ridenour Mine breccia pipe, Arizona. Open-File Report Vol. 1990 (90-504) US Geological Survey doi:10.3133/ofr90504 | Report (issue) | | Geology, Geochemistry, and Mineralogy of the Ridenour Mine Breccia Pipe, Arizona by Karen J. Wenrich 1 , Earl.......... 2 Geology and structure of the Ridenour mine ................................. 5 Structural control...Ridenour and similar pipes ....................... 7 Mine workings ....................................................................................... Silver ......................................................... 40 Economic potential of the Ridenour mine ................................... 40 Acknowledgements |  | | Book | | the front cover are photomicrographs from the digenite, galena, hematite and molybdenite sections. The...approximately 5 cm taii and is from the Eagle's Nest mine, Piacer County, California. Ross Beaty Collection...rteld L'AsSOCIATION GE.OLOGIQUE OU CANADA (AGC) est la soaete nationale canadienne des sciences de la...1'0\lancement de la geok>gie et de sensbhser le grand publtc ~ saences de la Terre Ele COOVefld environ..... 36 Cubanite .. . ... 38 Diamond . .40 Digenite .........•........................... Enargite |  | Mikulski, Stanisław Z., Oszczepalski, Sławomir, Sadłowska, Katarzyna, Chmielewski, Andrzej, Małek, Rafał (2020) Trace Element Distributions in the Zn-Pb (Mississippi Valley-Type) and Cu-Ag (Kupferschiefer) Sediment-Hosted Deposits in Poland. Minerals, 10 (1) 75 doi:10.3390/min10010075 | Journal (article/letter/editorial) | | 9080 ppm, yarrowite ≤ 6614 ppm, and digenite ≤ 3545 ppm). Silver minerals and alloys, as well as the...through the Zn-Pb ore deposit of the Pomorzany mine modified mine modified after [22]. after [22]. Ore Mineralization...(1) Late [38],from (2) 6% Early 15% in the Olkusz mine and <2% in the Trzebionka deposit [2,6]. Cretaceous...Pomorzany mine (E) massive crystalline marcasite pyrite (McPy2) with sphalerite (SpDB2) and mine (E) massive...from 6% to 15% in the Olkusz mine and galena (Gn2) and the Pomorzany mine ore-bearing (F) brecciated ore-bearing |  | | Journal (article/letter/editorial) | | sequencein ascending order is chalcocite, djurleite, digenite, bornitc, chalcopyrite and pyrite. Abnormal concentrationsof...which occursalong the western margin of the present mine area. This is a reverse right-hand fault with a...a steepdip to the northeast. Southwest of the mine, the horizontaldisplacement is estimated mineralogyand...area. estimated to be 1,500 feet. Southeast of the mine, Structures on either side of the White Pine...indicatedduring lower are under continualreview by the mine personnel. Nonesuchsedimentationby a slight ero |  | | Journal (article/letter/editorial) | | 2 ppm Pd, and 6 ppm Ag were recovered. Near the mine,layeredgabbroicrocksare intrudedby a massiveclinopyroxenitic...sulfides commonly consistof chalcopyrite,bornitc,digenite,chalcocite,andcovellite.The sulfidesare disseminatedin...decreasing quantitiesin bornitc,chalcopyrite, digenite,chalcocite,andcovellite.Kotulskiteis variablyintergrownwith...Thisprocesscontinuedto verylowtemperaturewhere digenite,chalcocite, andcovellitewere stableandmercury-andsilver-bearing...copper, I ppm gold, 2 ppm palladium, and 6 ppm silver (Holt et al., 1948; Orbex IndustriesLtd., writ |  | | Journal (article/letter/editorial) | | substitution of Hg (up to 21.3 wt.%) and, in one deposit, silver (up to 49.7 wt. %). The Hg content is negatively...III(Sb,As)4IVS12VIS, avec R2+ = Hg, Fe, Zn, Cu … est un composant accessoire mais tout de même important...épithermaux du camp minier de Steens–Pueblo, dans le sud-est de l’Oregon. Les analyses de la tétraédritess provenant...substitution menant à un pôle dans lequel le Cu est entièrement remplacé par Ag. Ce pôle correspondrait...war-time needs. The largest producer, the Mogul mine, produced only 30 flasks of mercury by crudely roasting |  | Putz, Hubert, Paar, Werner H., Topa, Dan, Makovicky, Emil, Roberts, Andrew C. (2006) Catamarcaite, Cu6GeWS8, a new germanium sulfide mineral species from Capillitas, Catamarca, Argentina: description, paragenesis and crystal structure. The Canadian Mineralogist, 44 (6) 1481-1497 doi:10.2113/gscanmin.44.6.1481 | Journal (article/letter/editorial) | | Argentina. The new mineral is associated with bornite, digenite, chalcocite, covellite, sphalerite, hübnerite...to subhedral, intensely twinned grains within digenite – chalcocite – sphalerite ore. The mineral is... Le minéral est opaque, gris, possédant un éclat métallique et une rayure noire. Il est cassant, et la...la fracture est irrégulière à subconchoïdale. Aucun clivage ou plan de séparation n’est évident en sections...En lumière polarisée réfléchie, la catamarcaïte est blanc grisâtre avec une teinte brunâtre distincte |  | | Report (issue) | | GEOLOGY OF THE SHINARUMP NO. 1 URANIUM MINE, SEVEN MILE CANYON AREA, GRAND COUNTY, UTAH This report concerns...GEOLOGY OF THE SHINARUMP NO. 1 URANIUM MINE, SEVEN MILE CANYON AREA, GRAND COUNTY, UTAH By W. L Pinch This...Plateau showing the location of the Shinarump No. 1 mine and the distribution of uranium deposits in the... GEOLOGY OF THE SHINARUMP NO. 1 URANIUM MINE, SEVEN MILE CANYON AREA, GRAND COUNTY, UTAH By W. I. Finch CONTENTS...No. 1 mine areas, Grand County, Utah. 2. Selected maps of mine walls from the Shinarump No. 1 mine. Figure |  | | Journal (issue) | | COVELLITE crystal cluster, 3 cm across, From the Leonard mine, Butte, Montana. Frederick H. Pough collection;...like bornite, chalcocite, colusite, covellite, digenite, djurleite, and enargite rank among the finest...Handsome specimens of barite, quartz, rhodochrosite, silver, and numerous other species have been found, many...the Butte mining camp, especially in the Kelley mine, was just full of vug holes . . . the holes, some...located in Butte, at the site of the old Orphan Girl mine. . . . So wrote a trainee miner, Jerry Dolph, concerning |  | | Book | | ........................................... 29 France .................................................uranium if higher prices justify reprocessing the mine tailings to recover some of the uranium that was...wastewater during environmental reclamation at a mine that has ceased production. The following statistical...was about 270 tU. In Argentina the Sierra Pintada mine had been in standby status since 1999 and was expected...recovered from mine rehabilitation activities; small amounts were likewise recovered during mine remediation |  | | Journal (article/letter/editorial) | | J. P. Mil6si 1 BRGM, and 2 CNRS-CSCM, Orleans, France With 10 Figures Received November 13, 1991; accepted...Au) de Layo (Sud P&ou) Le glte ~pithermal de Layo est encaiss6 dans les volcanites calco-alcalines Mioc~nePlioc~ne...vinciennite est proche du p61e th6orique (CuloFe4SnAsS16) et la tennantite riche en Cu (.Cu~,FeAs~S~3) est d6pourvue...access 10 km to the northeast of the Orcopampa Ag-Au mine, and are being investigated by Cedimin S.A. Although...sphalerite pseudomorphing wurtzite, chalcopyrite, silver-poor zinciferous tetrahedrite (0.17 wt.~ Ag; 8 |  | | Journal (article/letter/editorial) | | mineral assemblage including typically chalcocite-digenite (Cu1.85S1.12 and Cu1.99S1.01), covellite (CuS...total replacement of chalcopyrite by chalcocite-digenite during the late hydrothermal stage; and (4) formation...commonly occurs together with enargite or covellite-digenite-pyrite (Ossandón et al., 2001; Rivera et al.,...covellite-digenite (Ossandón et al., 2001) in combination with chalcopyrite, bornite, digenite and/or covellite...period from 1970 to 1990 that is preserved at the mine site. Three vertical sections oriented approximately |  | | Journal (issue) | | Préfaee e numéro hors série est consacré aux minéraux de la mine d'or de Salsigne, non pas seulement...des niveaux supérieurs de la mine à ciel ouvert. Si ce gisement d'or est mondialement connu , ce n'est...on entrevoit la complexité de ce gisement, mais est bâti pour en avoir une meilleure compréhension historique...géologique et minéralogique. Son cadre historique est bienvenu bien que sûrement incomplet tout comme l'état...Toutefois, l'ambition minéralogique des auteurs est atteinte. Ils nous révèlent de nombreuses espèces |  | | Journal (article/letter/editorial) | | like bornite, chalcocite, colusite, covellite, digenite, djurleite, and enargite rank among the finest...Handsome specimens of barite, quartz, rhodochrosite, silver, and numerous other species have been found, many...the Butte mining camp, especially in the Kelley mine, was just full of vug holes . . . the holes, some...located in Butte, at the site of the old Orphan Girl mine. . . . So wrote a trainee miner, Jerry Dolph, concerning...an underground stope at Butte, Montana’s Kelley mine in the early 1970’s (Dolph, 1994). The wonderful |  | | Journal (article/letter/editorial) | | V., Amsterdam 229 Ore microscopy of the Paoli silver-copper deposit, Oklahoma Craig A. Thomas a, Richard...Berendsen, P., 1991. Ore microscopy of the Paoli silver-copper deposit, Oklahoma. In: W. Petruk, A.H. Vassiliou...Exploration. Ore Geol. Rev., 6: 229-244. The Paoli silver-copper deposit is located in south-central Oklahoma...from Norman, Oklahoma. It was mined for high-grade silver-copper near the beginning of this century, and...interpreted to occur as a roll-front type of deposit. The silver and copper mineralization occurs within paleochannels |  | | Journal (article/letter/editorial) | | 1.219 THE SULFIDES AND SELENIDES OF THE MUSONOÏ MINE, KOLWEZI, KATANGA, DEMOCRATIC REPUBLIC OF CONGO...the Thrust-Slice “2400’” of the Musonoï Extension mine, Katanga, Democratic Republic of Congo, has provided...sulfides are pyrite, covellite, spionkopite, and digenite, which crystallize, with authigenic quartz, during...followed by the crystallization of Se-bearing digenite. Temperature estimates based on these assemblages...a complete solid-solution series between high digenite and berzelianite. The variation of the a unit-cell |  | | Journal (article/letter/editorial) | | derived mainly from the Holbrook, Mary Murphy, and Silver Reef mines during 1913-1916,1921,1924, and 1928...common. Figure 3. Theisite crystals to 0.4 mm. silver, 2,900 pounds of copper, and 1,700 pounds of lead...shipped, yielding 29 ounces of gold and 4 ounces of silver (Schmitt Jr. and Raymond 1977). Since then, exploration...intergrown with duftite-beta (Taggart and Foord 1980). Digenite, Cu,S,, is present as small black pods scattered...as thin green crusts filling fractures in the digenite that were found to be mixtures of malachite and |  | | Report (issue) | | Silver-rich Disseminated Sulfides From a Tungsten-bearing Quartz Lode Big Creek District Central Idaho...GEOLOGICAL SURVEY PROFESSIONAL PAPER 594-C Silver-rich Disseminated Sulfides From a Tungsten-bearing...suljide minerals, extracted as waste, are rich in silver and contain some gold UNITED STATES GOVERNMENT...electrum in pyrite. Photomicrographs of native silver and inverted Ag-Fe-S mineral in pyrite. Index map...22 SHORTER CONTRIBUTIONS TO GENERAL GEOLOGY SILVER-RICH DISSEMINATED SULFIDES FROM A TUNGSTEN-BEARING |  | | Journal (article/letter/editorial) | | carry copper-iron sulphides (bomite, chalcopyrite, digenite, chalcocite) and nickel-cobalt arsenides (niccolite...shoshonitic volcanism. The second, younger nickel-cobalt-silver-bismuth-uraniummineralization might be attributed...Pre-Cambrian green schists Ore mineralization ,,~ Mine,abandoned Fault - -~"~ N Meskani Talmessi 0...illustrating geology and location of faults in the mine areas (see Fig. 2 for position and legend) Geology...3). 160 joints have been measured in the Meskani mine and in surface exposures; they show two different |  | Reich, Martin, Chryssoulis, Stephen L., Deditius, Artur, Palacios, Carlos, Zúñiga, Alejandro, Weldt, Magdalena, Alvear, Macarena (2010) “Invisible” silver and gold in supergene digenite (Cu1.8S) Geochimica et Cosmochimica Acta, 74 (21) 6157-6173 doi:10.1016/j.gca.2010.07.026 | Journal (article/letter/editorial) | | elsevier.com/locate/gca “Invisible” silver and gold in supergene digenite (Cu1.8S) Martin Reich a,⇑, Stephen...Au) and metalloids (As, Sb, Se, Te) in supergene digenite (Cu1.8S) from various Cu deposits in the Atacama...apart from hosting up to 11,000 ppm Ag, supergene digenite can incorporate up to part-per-million contents...concentrations strongly correlate with As in supergene digenite, defining wedgeshaped zones in Ag–As and Au–As...increasing the solubility of Ag and Au in supergene digenite and controlling the formation and occurrence of |  | | Journal (article/letter/editorial) | | roquesite. Secondary minerals comprise bornite, digenite, covellite, scorodite, phenakite, native copper...(InAsO4•2H2O). La portion de ce massif minéralisée en Sn–In est peuplée de granite lithinifère à sidérophyllite,...sont aussi présentes. Dans la sphalérite, le zinc est remplacé par l’indium, le cuivre et le fer selon...Moura 1993, Botelho & Moura 1998). Indium-bearing digenite (0.10 wt% In) and enargite (0.07 wt% In) were...minerals include native copper, scorodite, malachite, digenite, chalcocite, enargite, bornite, covellite, phenakite |
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