 | | Journal (article/letter/editorial) | | at 07:53 01 January 2015 Bournonite Yaogangxian Mine, Chenzhou, Hunan Province, China T here are certain...clearly the most prolific being the Yaogangxian mine, Hunan Province. (Additional locality information...intermediate temperatures and is often associated with pyrite, galena, sphalerite, chalcopyrite, stibnite, boulangerite...from such disparate localities as the Black Hawk mine, Blue Hill, Maine; New York City, New York; an unspecified...King. It has also been reported from the Albion mine in the Little Cottonwood district, Salt Lake County |  | | Journal (article/letter/editorial) | | distribution. A genetic model, in which synsedimentary pyrite in a carbonaceous pelite was partially replaced...Disseminated to finely laminated (locally semimassive) pyrite, chalcopyrite, pyrrhotite, and steel gray, metallic...industry, the pending opening of the Kansanshi copper mine (Fig. 1) and the reassessment of the Lumwana copper...magnetite granite Metagabbro (Hornblende scapolite - pyrite) Unconsolidated sands and alluvium Kabompo Schist...types of quartz + biotite ± muscovite ± kyanite ± pyrite schists with a locally gneissic texture and minor |  | Wellmer, F. W., Reeve, E. J., Wentzlau, E., Westenberger, H. (1983) Geology and ore deposits of the Toqui District, Aysen, Chile. Economic Geology, 78 (6) 1119-1143 doi:10.2113/gsecongeo.78.6.1119 | Journal (article/letter/editorial) | | Bergbau,Postfach3724, 6000 Frankfurt (Main), West Germany Abstract The Toqui districtof southernChile c...Series.The stratigraphic equivalence of mantosat Concordia(Zn-Pn-Cu),Estatuas(Zn), and SanAntonio(Zn-Pb-Cu)...Zufiiga-Antolinareaand a subsidiaryone is inferred near Concordia. The major stratigraphicunits in the Toqui district...Ga!era Formation is a Miocene to Pliocene as Concordia where it has been intersected in drill sequenceof...alteredsubmarineandesitictuffsand agglomerates nio, Concordia, and Estatuas areas and the veins in (units2 to |  | Oliveira, J. T., Rosa, C. J. P., Pereira, Z., Rosa, D. R. N., Matos, J. X., Inverno, C. M. C., Andersen, T. (2013) Geology of the RosĂĄrioâNeves Corvo antiform, Iberian Pyrite Belt, Portugal: new insights from physical volcanology, palynostratigraphy and isotope geochronology studies. Mineralium Deposita, 48 (6) 749-766 doi:10.1007/s00126-012-0453-0 | Journal (article/letter/editorial) | | Geology of the RosĂĄrioâNeves Corvo antiform, Iberian Pyrite Belt, Portugal: new insights from physical volcanology...mapping of the antiform towards NW of the Neves Corvo mine, supported by palynological dating, identified two...important segment of the Portuguese part of the Iberian Pyrite Belt and add new information for future exploration...exploration activities. Keywords Iberian Pyrite Belt . VHMS deposits . RosĂĄrioâ Neves Corvo antiform . Physical...dating Geological setting Introduction The Iberian Pyrite Belt (IPB) consists of a sequence of volcanic and |  | Harlaux, Matthieu, Romer, Rolf L., Mercadier, Julien, Morlot, Christophe, Marignac, Christian, Cuney, Michel (2018) 40 Ma of hydrothermal W mineralization during the Variscan orogenic evolution of the French Massif Central revealed by U-Pb dating of wolframite. Mineralium Deposita, 53 (1) 21-51 doi:10.1007/s00126-017-0721-0 | Journal (article/letter/editorial) | | for Geosciences, Telegrafenberg, 14473 Potsdam, Germany correspond to late hydrothermal alteration (e...mineralized blocks of the old, now inaccessible, mine workings and consists of W-bearing intragranitic...GeoLas ArF Excimer laser (MicroLas, Göttingen, Germany). LAICPMS was used for a first screening of samples...(quartz, pyrite and/or scheelite) closely associated with wolframite were also separated. Pyrite and scheelite...and tracer and common Pb composition of quartz, pyrite and/or scheelite (Table 2). Data reduction followed |  | Koglin, Nikola, Zeh, Armin, Cabral, Alexandre Raphael, Gomes, AntĂŽnio Augosto Seabra, Neto, Atlas Vasconcelos CorrĂȘa, Brunetto, Wilson JosĂ©, Galbiatti, Henry (2014) Depositional age and sediment source of the auriferous Moeda Formation, QuadrilĂĄtero FerrĂfero of Minas Gerais, Brazil: New constraints from UâPbâHf isotopes in zircon and xenotime. Precambrian Research, 255. 96-108 doi:10.1016/j.precamres.2014.09.010 | Journal (article/letter/editorial) | | sitĂ€t WĂŒrzburg, Am Hubland, D-97074 WĂŒrzburg, Germany Institut fĂŒr Geowissenschaften, Facheinheit Mineralogie...Altenhöferallee 1, D-60438 Frankfurt am Main, Germany c LagerstĂ€tten und Rohstoffe, Technische UniversitĂ€t...Adolph-Roemer-Str. 2A, D-38678 Clausthal-Zellerfeld, Germany d GerĂȘncia de ExploracÌ§ĂŁo Mineral de Ferrosos,...gravels that contain both, detrital pyrite and epigenetic pyrite (Minter et al., 1990; Garayp et al....Sample PM3-2 stems from an adit in the Palmital gold mine (JAGUAR Mining Inc.), and sample IMG005 from an |  | | Journal (article/letter/editorial) | | THE NABABEEP NEAR WEST TUNGSTEN MINE, SOUTH AFRICA SouthAJrica P. G. Sonr.rct,O'okiepCopperCompany,Ltd...influenced mineralization in the Nababeep Near West mine and with the mineralogy of the ore. fNrnoDucrIoN...production, the largest of which rvas the Near West mine at Nababeep. At the end of World War II five had...separatesthe underlying Nababeep gneissfrom the Concordia gneissabove. The lower part of this stage consists...intrusive or of metasomatic origin. In the Near West mine are a few lenticular interbeds of dark augite-amphibole |  | | Journal (article/letter/editorial) | | isotope ratios of magmatic zircons from the Iberian Pyrite Belt D. R. N. Rosa & A. A. Finch & T. Andersen...rocks from the Portuguese sector of the Iberian Pyrite Belt and to establish possible sources for these...grains from a PQ sample. Introduction The Iberian Pyrite Belt (IPB) is part of the South Portuguese Zone...1.5 km west of SĂŁo LuĂs. Caveira mine; approx. 300 m SSE of the mine inn. South of Monte da Bela Vista...Quarry, Aljustrel SĂŁo JoĂŁo Quarry, Aljustrel Feitais mine ramp, +135 m, Level 7, Aljustrel Sta. BĂĄrbara adit |  | Neymark, L. A., Holm-Denoma, C. S., Pietruszka, A. J., Aleinikoff, J. N., Fanning, C. M., Pillers, R. M., Moscati, R. J. (2016) High Spatial Resolution U-Pb Geochronology and Pb Isotope Geochemistry of Magnetite-Apatite Ore from the Pea Ridge Iron Oxide-Apatite Deposit, St. Francois Mountains, Southeast Missouri, USA. Economic Geology, 111 (8) 1915-1933 doi:10.2113/econgeo.111.8.1915 | Journal (article/letter/editorial) | | LA-SC-ICPMS and SHRIMP, and Pb isotope geochemistry of pyrite and magnetite to obtain the first direct age constraints...between 1.47 and 1.44 Ga. Lead isotop analyses of pyrite show extremely radiogenic 206Pb/204Pb ratios up...by in situ U decay. This excess radiogenic Pb in pyrite may have been derived from the spatially associated...et al. (2016) and Starkey and Seeger (2016). The mine is currently flooded and the underground workings...Steelville Steelville pluton Caldera boundary No Data Mine or prospect for Fe, Mn, Cu, Co, and/or REEs Potosi |  | Mueller, Andreas G., Hall, Gregory C., Nemchin, Alexander A., Stein, Holly J., Creaser, Robert A., Mason, Douglas R. (2008) Archean high-Mg monzodioriteâsyenite, epidote skarn, and biotiteâsericite gold lodes in the Granny SmithâWallaby district, Australia: UâPb and ReâOs chronometry of two intrusion-related hydrothermal systems. Mineralium Deposita, 43 (3) 337-362 doi:10.1007/s00126-007-0164-0 | Journal (article/letter/editorial) | | metamorphism in the mining district. The local goldâpyrite mineralization, controlled by fractured fault zones...feldsparâquartzâ calcite assemblage and quartzâmolybdeniteâpyrite veins to a late reduced sericiteâdolomiteâalbite...calcite + pyrite. Skarn and syenite are cut by pink biotiteâcalcite veins, containing magnetite + pyrite and...mineralization to 2,662±3 Ma. The main-stage goldâ pyrite ore (Au/Ag >10) forms hematite-stained sericiteâ...were sampled in the open pit, in the underground mine, and in drill holes WB-190AD and WB-209AD. At Granny |  | | Journal (article/letter/editorial) | | phosphate aplite âSilbergrubeâ near Waidhaus, Germany: epithermal phosphate mineralization in the Hagendorf-Pleystein...D-30631 Hannover, Germany BuÌrgermeister-Knorr Str. 8, D-92637 Weiden i.d.OPf., Germany 3 Frankfurt University...AltenhoÌferallee 1, D-60438 Frankfurt am Main, Germany 2 [Received 11 June 2008; Accepted 11 December...Hagendorf-Pleystein Pegmatite District, near Waidhaus, Germany, is a mildly peraluminous NWâSE directed leucogranite...Introduction THE Silbergrube (Silbergrube = Silver Mine is a misnomer used by local people mistaking shiny |  | MolnĂĄr, Ferenc, Middleton, Alexander, Stein, Holly, O`Brien, Hugh, Lahaye, Yann, Huhma, Hannu, Pakkanen, Lassi, Johanson, Bo (2018) Repeated syn- and post-orogenic gold mineralization events between 1.92 and 1.76âŻGa along the Kiistala Shear Zone in the Central Lapland Greenstone Belt, northern Finland. Ore Geology Reviews, 101. 936-959 doi:10.1016/j.oregeorev.2018.08.015 | Journal (article/letter/editorial) | | (KiSZ) hosts the Suurikuusikko gold deposit (KittilĂ€ Mine), the currently largest gold producer in Europe...Suurikuusikko ore is hosted within the crystal structure of pyrite and arsenopyrite, which are disseminated in hydrothermally...largest primary gold producer in Europe (KittilĂ€ Mine, 177,374 oz Au production in 2015; Agnico-Eagle...located about 12 km to the north of the KittilĂ€ Mine, along the intersecting zone of the of the KiSZ...phase is composed of quartz + carbonate veins with pyrite + arsenopyrite + pyrrhotite ± chalcopyrite ± sphalerite |  | Ma, Jian, LĂŒ, Xinbiao, Escolme, Angela, Li, Song, Zhao, Ningli, Cao, Xiaofeng, Zhang, Lejun, Lu, Fei (2018) In-situ sulfur isotope analysis of pyrite from the Pangjiahe gold deposit: Implications for variable sulfur sources in the north and south gold belt of the South Qinling orogen. Ore Geology Reviews, 98. 38-61 doi:10.1016/j.oregeorev.2018.05.013 | Journal (article/letter/editorial) | | com/locate/oregeorev In-situ sulfur isotope analysis of pyrite from the Pangjiahe gold deposit: Implications for...golddeposit Sedimentary and magmatic rock hosted Pyrite Sulfur isotope Qinling orogen The sedimentary-...element characteristics. Theses zircons return a concordia age at ca. 230 Ma. Therefore, we infer that the...the physical and chemical features of pyrite. Five stages of pyrite have been identiïŹed in mineralized phyllite...Diagenetic pyrite in phyllite, Py1-P, displays a wide range of ÎŽ34S (â1.5% to +9.4%). The magmatic pyrite in |  | | Journal (article/letter/editorial) | | University of WĂŒrzburg, Am Hubland, 97074 WĂŒrzburg, Germany Division of Geochemistry, Hydrogeology, Mineralogy...UniversitĂ€t Berlin, Malteserstr. 74-100, 12249 Berlin, Germany c Department of Geological Sciences, University...Goethe-University, Altenhöferallee 1, 60438 Frankfurt am Main, Germany b a r t i c l e i n f o Article history: Received...model for the huge gold deposits and the associated pyrite and uraninite at various stratigraphic levels within...exploration drilling at the Target Mine. This mine is the latest deep gold mine to be developed in South Africa |  | | Journal (article/letter/editorial) | | of 276 Ma is given for the primary pitchblende--pyrite association by the U--Pb method. Isotopic analysis...systematic age of 270 Ma obtained by Pb--Pb and concordia diagrams. A mineralogically undetected remobilization... mlneranzeo mica eplsyenite j mineralized âą mine ~ barren shaft faulfs veins mlcrogramtic /t...Kosztolanyi gives an age of 240--250 Ma based on a concordia diagram (Fanay samples) and because of a rough...Intermediate formations (stope 531) for the Margnac mine, D (stopes 472, 574 and 673), La Betoule (stopes |  | Wu, Ya-Fei, Li, Jian-Wei, Evans, Katy, Vasconcelos, Paulo M., Thiede, David S., Fougerouse, Denis, Rempel, Kirsten (2019) Late Jurassic to Early Cretaceous age of the Daqiao gold deposit, West Qinling Orogen, China: implications for regional metallogeny. Mineralium Deposita, 54 (4) 631-644 doi:10.1007/s00126-018-0835-z | Journal (article/letter/editorial) | | Accepted: 6 August 2018 # Springer-Verlag GmbH Germany, part of Springer Nature 2018 Abstract The West...auriferous pyrite in relatively high-grade breccia ores and sericite coexisting with auriferous pyrite in weakly...extracted from quartz and Rb/Sr isochron dates on pyrite have a large range as follows: 210 to 170 Ma (Mao... gold deposits, and the location of Daqiao gold mine study area (red box). The inset shows the location...granodioritic and dioritic dykes within and around the mine to determine their possible relationship to gold |  | Mueller, Andreas G., McNaughton, Neal J., Muhling, Janet R. (2021) Albite ± Actinolite-Altered Porphyry Dykes in Archean Gold Deposits of the Boulder Lefroy-Golden Mile Fault System, Yilgarn Craton, Western Australia: Petrography, Chronology, and Comparison to Canadian Albitites. Minerals, 11 (11) 1288 doi:10.3390/min11111288 | Journal (article/letter/editorial) | | although both share the same sulfide-oxide assemblage: pyrite ± chalcopyrite, magnetite ± hematite. The younger...foliation and is bordered by post-kinematic actinolite-pyrite selvages overprinting talc-chlorite-phlogopite-dolomite...-dolomite schist. It contains auriferous pyrite (70 ppb Au; 610 ppb Ag) where sampled for zircon U-Pb...Mainstage biotite- and late sericite-carbonate-pyrite mineralization is centered on a boudinaged porphyry...(Figure 1). Skarn assemblages and isotope data (pyrite ÎŽ34 SCDT = 2.5â°, calcite ÎŽ13 CPDB = â 5.3â°) indicate |  | | Journal (article/letter/editorial) | | at 1020 Ma, thereby precluding the 1060 Ma Concordia granite as the source for mineralizing ÂŻuids....interpreted as fractionated melts derived from the Concordia granite. However, previous inability to directly...W(Mo) deposits are not temporally related to the Concordia granite as was previously presumed (Raith 1995;...syenogranites to alkali-feldspar granites, comprising the Concordia granite, are peraluminous and show slightly subalkaline...major granite bodies of the Spektakel Suite, the Concordia granite (1064  31 Ma) and the Rietberg granite |  | | Journal (article/letter/editorial) | | similar sources of mineralization in the Areachap Mine (Jannelsepan Fn) and Prieska Copper Mines (Copperton...outlier spots are 125a, which has a calculated concordia age of 1301 ± 14 Ma (MSWD: 0.2) and 132a which...intercepts of 1204 ± 50 Ma and 288 ± 26 Ma. Figure 2. Concordia diagrams, with age domains illustrated by cathodoluminescent...preferred to the slightly younger 1085 ± 10 Ma concordia age for six spots, which has much lower probability...analysed were sufficiently concordant to yield the concordia ages given in Figure 3 and the other two have |  | Dong, Leilei, Wan, Bo, Yang, Weizhong, Deng, Chen, Chen, Zhenyu, Yang, Lei, Cai, Keda, Xiao, Wenjiao (2018) Rb-Sr geochronology of single gold-bearing pyrite grains from the Katbasu gold deposit in the South Tianshan, China and its geological significance. Ore Geology Reviews, 100. 99-110 doi:10.1016/j.oregeorev.2016.10.030 | Journal (article/letter/editorial) | | Rb-Sr geochronology of single gold-bearing pyrite grains from the Katbasu gold deposit in the South...Wenjiao, Rb-Sr geochronology of single gold-bearing pyrite grains from the Katbasu gold deposit in the South...MANUSCRIPT Rb-Sr geochronology of single gold-bearing pyrite grains from the RI P geological significance...phyllic and chloritic alteration. Gold-bearing pyrite occurs as NU disseminations in the host rock...(Sr) analyses on sericite within five individual pyrite grains from a phyllic alteration sample yield an |  | Mao, J., Konopelko, D., Seltmann, R., Lehmann, B., Chen, W., Wang, Y., Eklund, O., Usubaliev, T. (2004) Postcollisional Age of the Kumtor Gold Deposit and Timing of Hercynian Events in the Tien Shan, Kyrgyzstan. Economic Geology, 99 (8) 1771-1780 doi:10.2113/gsecongeo.99.8.1771 | Journal (article/letter/editorial) | | Adolph-Roemer-Str. 2a, 38678 Clausthal-Zellerfeld, Germany WEN CHEN, Institute of Geology, Chinese Academy...host-rock (sericite-quartz altered rock) and gold ore (pyrite-quartz-feldspar-carbonate) from the giant Kumtor...with carbonaceous chert and abundant disseminated pyrite are common. The upper unit consists of foliated...breccia Quaternary sediments Carbonate-quartz-pyrite alteration Cambrian to E arly Ordovician r ocks...Quartz-sericite alteration Pyrite-K-felds par c arbonate alteration Pyrite-albite-carbonate alteration |  | SĂĄnchez-Bettucci, L., Oyhantçabal, P., Loureiro, J., Ramos, V.A., Preciozzi, F., Basei, M.A.S. (2004) Mineralizations of the Lavalleja Group (Uruguay), a Probable Neoproterozoic Volcano-sedimentary Sequence. Gondwana Research, 7 (3) 745-751 doi:10.1016/s1342-937x(05)71060-1 | Journal (article/letter/editorial) | | Cu-Zn-Pb mineralization includes massive sulfides with pyrite-chalcopyrite-sphalerite-galena-pyrrothyte,arsenopyrite-hematite...Unit A. The overlying Unit B (nearby La Oriental Mine) is characterized by bimodal volcanism. This unit...The analytical data are shown in table 1and the Concordia diagram in figure 3. o,32 1 - 6198 CAMPANERO... L I 4.0 4.4 43 M7PblZJSU Fig. 3. U/Pb Concordia of Campanero Unit (sample 6198, mylonitic granite)...associated with thrusting. The Ramallo-Reus lead mine is located in the vicinity of Arroyo Minas Viejas |  | Dressel, BĂĄrbara Carolina, Chauvet, Alain, Trzaskos, Barbara, Biondi, JoĂŁo Carlos, Bruguier, Olivier, MoniĂ©, Patrick, Villanova, Sandro Notto, Newton, JosĂ© Bazille (2018) The Passa TrĂȘs lode gold deposit (ParanĂĄ State, Brazil): An example of structurally-controlled mineralisation formed during magmatic-hydrothermal transition and hosted within granite. Ore Geology Reviews, 102. 701-727 doi:10.1016/j.oregeorev.2018.09.007 | Journal (article/letter/editorial) | | the gangue, and in chronological order: fluorite, pyrite, chalcopyrite, gold, aikinite, molybdenite, muscovite...native grains within 2 fractures that affect pyrite, commonly associated with chalcopyrite and aikinite...2000; Piekarz, 1992). Metallic minerals consist of pyrite, chalcopyrite, Bi-Cu sulphosalts and native gold...deposit; however, personal communication from the mine staff established an average grade of 6 ppm for...Ti Kα, As Lα, Bi Lα. Analyses were performed on pyrite, chalcopyrite, gold and aikinite crystals. For |  | | Journal (article/letter/editorial) | | Some ore deposits, as for example the Copper King Mine in Larimer County, are not spatially associated...(7) (8) (9) Wood Mine, Gilpin Co. Wood Mine, Gilpin Co. Wood Mine, Gilpin Co. Iron Mine, Gilpin Co. Richards...Richards Mine, Gilpin Co. German Mine, Gilpin Co. Gilpin Co. Copper King Mine, Larimer Co. Copper King...King Mine Pb206 TJ238 35 55 63 65 56 51 59 55 71 ±1 ±1 ±1 ±1 ±1 ±1 ±1 ±2 ±4 Pb207 TJ235 42 56 64 70 62...the Wood Mine, Gilpin County (Central City District), and two are from the Copper King Mine, Larimer |  | | Journal (article/letter/editorial) | | Research 70 ( 1995 ) 303-335 Petrogenesis of the Concordia Granite Gneiss and its relation to W - M o mineralization...version accepted 24 June 1994 Abstract The 1.1 Ga Concordia Granite Gneiss (CGG) is part of the late to postorogenic...role of granitic rocks, especially that of the Concordia Granite Gneiss (CGG), in the formation of these...of the CGG have locally been termed the Wolfram Mine Schist (or Wolfram Schist) because of the occurrence...Namaqualand but are not associated with the Wolfram Mine Schist and its tungsten deposits. The age of the |
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