 | Staude, S., Mordhorst, T., Neumann, R., Prebeck, W., Markl, G. (2010) Compositional variation of the tennantite–tetrahedrite solid-solution series in the Schwarzwald ore district (SW Germany): The role of mineralization processes and fluid source. Mineralogical Magazine, 74 (2) 309-339 doi:10.1180/minmag.2010.074.2.309 | Journal (article/letter/editorial) | | solidsolution series in the Schwarzwald ore district (SW Germany): The role of mineralization processes and fluid...Tübingen, Wilhelmstrasse 56, D-72074 Tübingen, Germany [Received 30 October 2009; Accepted 28 April 2010]...locations in the Schwarzwald ore district of SW Germany. Electron microprobe analysis is used to correlate...1980). From the Middle Triassic to Jurassic, SW Germany was part of a shelf platform with distinct time...Lörrach, Karlsruhe and Stuttgart in Southern Germany is well suited to understanding the controls on |  | Markowski, Agnès, Vallance, Jean, Chiaradia, Massimo, Fontboté, Lluìs (2006) Mineral zoning and gold occurrence in the Fortuna skarn mine, Nambija district, Ecuador. Mineralium Deposita, 41 (4) 301-321 doi:10.1007/s00126-006-0062-x | Journal (article/letter/editorial) | | Mineral zoning and gold occurrence in the Fortuna skarn mine, Nambija district, Ecuador Received: 24 February...May 2006 # Springer-Verlag 2006 Abstract The Fortuna oxidized gold skarn deposit is located in the northern...which are named from north to south: Cuerpo 3, Mine 1, Mine 2, and Southern Sector. Massive skarn bodies...intrusion which crops out below the skarn bodies in Mine 2 and the Southern Sector. Endoskarn alteration...zone is centered on two 060° trending faults in Mine 2, where the highest gold grades (5–10 g/t) were |  | | Journal (article/letter/editorial) | | 240-m-thick quartzite unit of the Pennsylvanian Bingham Mine Formation, extends 170 m from the northeast margin...a thrust fault, below which beds of the Bingham Mine Formation are vertical and cut by abundant northeast-striking...dipping faults, dikes, and isoclinal folds, the Fortuna zone. Ore-forming hydrothermal assemblages in quartzite...replaced by chalcopyrite and bornite, and no pyrite. Replacement of nukundamite by chalcopyrite and bornite...appropriate for the stable assemblages chalcopyrite + bornite and chalcopyrite + pyrite, but nukundamite requires |  | Chiaradia, Massimo, Vallance, Jean, Fontboté, Lluis, Stein, Holly, Schaltegger, Urs, Coder, Joshua, Richards, Jeremy, Villeneuve, Mike, Gendall, Ian (2009) U–Pb, Re–Os, and 40Ar/39Ar geochronology of the Nambija Au-skarn and Pangui porphyry Cu deposits, Ecuador: implications for the Jurassic metallogenic belt of the Northern Andes. Mineralium Deposita, 44 (4) 371-387 doi:10.1007/s00126-008-0210-6 | Journal (article/letter/editorial) | | discontinuous skarn orebodies occur from north to south: Fortuna, Cambana, Campanillas, Nambija, Guaysimi, and Sultana...N San Carlos de las Minas Ecuador PiÒon 0˚ Fortuna DTR64, 184 Cordille ra Quito Amazon craton Cambana...Biotite-muscovite schist Sultana del Cóndor Gold prospect and mine Warintza San Carlos Porphyry Cu-Mo and Cu-Au...abbreviations: act actinolite, ap apatite, cp chalcopyrite, kfs K-feldspar, pl plagioclase, px pyroxene...potassic alteration with associated hypogene chalcopyrite mineralization, which is locally overprinted |  | Barra, Fernando, Alcota, Hugo, Rivera, Sergio, Valencia, Victor, Munizaga, Francisco, Maksaev, Victor (2013) Timing and formation of porphyry Cu–Mo mineralization in the Chuquicamata district, northern Chile: new constraints from the Toki cluster. Mineralium Deposita, 48 (5) 629-651 doi:10.1007/s00126-012-0452-1 | Journal (article/letter/editorial) | | of the Collahuasi Group and intrusions of the Fortuna–Los Picos Granodioritic Complex. Hypogene mineralization...mineralization in the Toki cluster consists mainly of chalcopyrite–bornite with minor molybdenite with mineralization...mineralization grading outward to a chalcopyrite–pyrite zone and ultimately to a pyrite halo. Alteration is...Potrerillos, Olson 1989; Marsh et al. 1997; La Fortuna-El Negro, Perelló et al. 1996; Quebrada Blanca-Collahuasi...deposit Mina Sur, the newly developed Ministro Hales mine (formerly known as Mansa Mina) located 5.5 km south |  | Ossandon C., G., Freraut C., R., Gustafson, L. B., Lindsay, D. D., Zentilli, M. (2001) Geology of the Chuquicamata Mine: A Progress Report. Economic Geology, 96 (2) 249-270 doi:10.2113/gsecongeo.96.2.249 | Journal (article/letter/editorial) | | 2001, pp. 249–270 Geology of the Chuquicamata Mine: A Progress Report GUILLERMO OSSANDÓN C., CODELCO-Chile...veinlets, which contain only trace disseminated chalcopyrite ± bornite remains from this early stage. Fine-grained...pattern. This passes east through chalcopyrite-bornite to chalcopyrite-pyrite as sulfide abundance fades...system. Main-stage veins with quartz, pyrite, chalcopyrite, and bornite were formed during dextral shear...publications summarize geologic mapping by Anaconda mine geologists and internal reports by W. Lindgren (1917) |  | Vallance, Jean, Fontboté, Lluís, Chiaradia, Massimo, Markowski, Agnès, Schmidt, Susanne, Vennemann, Torsten (2009) Magmatic-dominated fluid evolution in the Jurassic Nambija gold skarn deposits (southeastern Ecuador) Mineralium Deposita, 44 (4) 389-413 doi:10.1007/s00126-009-0238-2 | Journal (article/letter/editorial) | | mineralogical zonation has been observed at the mine scale, except at Fortuna. The main ore mineral associated with...endoskarn titanite from porphyritic intrusions at Fortuna and Campanillas as well as Re–Os ages of post-gold...intrusions (quartz-diorite to granodiorite at the Fortuna, Cambana, and Campanillas deposits, Fig. 1), which...these intrusions, like Cumay, 2 km north of the Fortuna mine (Fig. 1), are mineralized with copper and molybdenum...Campanillas h f Nambija g Nambija area Peru Fortuna b Quito Accreted oceanic terranes N a 0 |  | Correa, Karen J., Rabbia, Osvaldo M., Hernández, Laura B., Selby, David, Astengo, Marcelo (2016) The Timing of Magmatism and Ore Formation in the El Abra Porphyry Copper Deposit, Northern Chile: Implications for Long-Lived Multiple-Event Magmatic-Hydrothermal Porphyry Systems. Economic Geology, 111 (1) 1-28 doi:10.2113/econgeo.111.1.1 | Journal (article/letter/editorial) | | DFS Fig. 1. Surface geology map of the El Abra mine, with sample locations. Projection: UTM19; Datum:...fault system. Modified from an unpublished El Abra mine map. EA-710 EA-657 EA-6 EA-1284 22° S Pacific...mineralization. In the northeast part of the open pit mine the geology comprises the Rojo Grande granite, equivalent...granodiorite, both located north of the open pit mine. All above units are intruded by the Clara granodiorite...present toward the southwest, outside the open pit mine. The main Lagarto granodiorite porphyry and the |  | | Journal (article/letter/editorial) | | 1•88, pp. 1583-1596 Ore Deposits at the Fresnillo Mine, Zacatecas,Mexico DELFINO C. RUVALCABA-RUIZ PasajeE...mantobodiescontainpyrite, pyrrhotite,sphalerite,chalcopyrite,galena, tetrahedrite,marcasite,arsenopyrite...surface)level. Introduction hills, Loma de la Fortuna, Cerro Proafio, and Cerro Populo, with reliefs...veins,of which more than 30 ental (Fig. 1). The mine area,immediatelysouthand havebeenmajorore producers...Fresnilloand other baseand preciousmetal deposits. The mine maybe dividedinto three zones(Fig. 2): SantaElena |  | Skirrow, R.G, Camacho, A, Lyons, P, Pieters, P.E, Sims, J.P, Stuart-Smith, P.G, Miró, R (2000) Metallogeny of the southern Sierras Pampeanas, Argentina: geological, 40Ar–39Ar dating and stable isotope evidence for Devonian Au, Ag–Pb–Zn and W ore formation. Ore Geology Reviews, 17 (1) 39-81 doi:10.1016/s0169-1368(00)00004-4 | Journal (article/letter/editorial) | | Monserrat e . Gold, pyrite, sphalerite, galena, chalcopyrite, arsenopyrite, rare pyrrhotite Sericitization...later clear grey quartz Gold, pyrite, galena, chalcopyrite, bornite, cerussite, vanadinite, rare wolframitea...clear quartz networks Electrum, gold, pyrite, chalcopyrite, galena Subparallel sets, en echelon Gash-like...subdivisions are centimetres. Že. Ag–Pb–Zn vein, Rara Fortuna deposit, El Guaico district. Crustiform quartz...possibly later arsenopyrite–pyrite Žaspy–py., Rara Fortuna Ag–Pb–Zn deposit. Sample A95RS069F, plane-polarised |  | | Report (issue) | | element principally sought were listed by the State Mine Inspector of which four actually produced some gold...23 Eureka district................. 23 Hillside mine ~.................................................and Dexter mine................................................................ 25 Cowboy mine........................ 26 Crosby mine 26 Southern Cross mine 27 Mammoth or Hubbard mine..................................... 27 Prescott district 28 Bullwhacker mine................................................ |  | | Book (volume) | | Schluckenau, in Northeastern Bohemia, and at Sohland, in Saxony (e) Arsenious Nickel Ores in the Serpentine of...Spherosiderites Carbonaceous Iron Ores of Upper Silesia and Saxony Carbonaceous Iron Ores of Great Britain The Iron...Sulphides 1. The Ore Deposits of Schwarzenberg, Saxony 2. The Orebodies in the Crystalline Schists of...Deposits of Pitkaranta in Finland 4. Kallmora Silver Mine at Norberg, in Sweden 5. The Deposit of Schneeberg...Berggiesshubel, in Saxony The Magnetic Iron Ore Deposits of Schmiedeberg in the Riesengeb irge, Germany 3. The Iron |  | | Journal (issue) | | and engineering staff, many of them educated in Germany. The collection has been added with new gold specimens...metal gold pans, as well as a replica of the famous mine carriage which is considered to be the oldest of...exhibited at the Mining Museum in Heidelberg – Germany. Numerous samples illustrate a variety of assemblages...mining research (Wollmann, 2010) in hardly accessible mine galleries from Baia de Arieș (Dealul Vânăt, Dealul...rhodochrosite, “chinga” – a siliceous formation, pyrite, chalcopyrite, sphalerite, galena, gold. 21 Fig. 3.7. Geological |  | Valencia-Moreno, Martín, Camprubí, Antoni, Ochoa-Landín, Lucas, Calmus, Thierry, Mendívil-Quijada, Héctor (2017) Latest Cretaceous-early Paleogene “boom” of porphyry Cu mineralization associated with the Laramide magmatic arc of Mexico. Ore Geology Reviews, 81. 1113-1124 doi:10.1016/j.oregeorev.2016.05.005 | Journal (article/letter/editorial) | | Sonora, which are the El Pilar, Los Humos, and Fortuna del Cobre. The El Pilar deposit is located ~44...2014). The westernmost and older deposit is the Fortuna de Cobre, which is located ~180 km northwest of...characterized by stockwork quartz veinlets with chalcopyrite and molybdenite, averaging 0.5% Cu and 0.026%...and Valencia, 2014). ED The Buenavista del Cobre mine is the core of one of the larger porphyry copper...The mining activity at the Buenavista del Cobre mine is centered on a supergene-enriched blanket of chalcocite |  | | Report (issue) | | [Mexico-copper/zinc/lead/gold/silver]: Hannover, Germany, Bundesanstalt fur Geowissenschaften und Rohstoffe...geochemistry and mineralization of the Washington mine area, Huepac, Sonora [abs.] in Najera-Garza, J....related to pegmatites at the San Antonio tungsten mine, Baviacora, Sonora, Mexico [abs.]: Geological Society...1982, A study of manganese ore composition, Lucifer mine, Baja California, Mexico [abs.]: Geological Society...205-206. Giles, D.A., 1983, Exploration at the Fortuna silver property, Chihuahua, Mexico in Clark, K |  | | Report (issue) | | the anticlinal axis and dip toward it; but the Fortuna fracture, which carried the richest ore body, lies...Reference Ore district Sabinal, Chihuahua La Fortuna, Chihuahua Las Cruces, Sonora Oposura, Sonora Guaynopita...DIPPING ON SECTION) METALLOGENETIC ZONE ~~xy_ — MINE OR PROSPECT FLOW Many ROCKS SECTION) peeeorcor...gold. The main metallic minerals are pyrite, chalcopyrite, and galena, but proustite and wolframite are...drusy quartz and pyrite Chalcopyrite-pyrite-gold-quartz veins _ : : Chalcopyrite-quartz-carbonate veins |  | | Journal (article/letter/editorial) | | distributed apatite samples fromeachofthecrustal blocks (Fortuna andChuquieamata Intrusive Complexes) bordering...however, theage-elevation curve forthewestern Fortuna block isshifted vertically withrespect totheeastern...of the major Chuquieamataopen-pit GeologicSetting mine(Fig.1).TheChuquieamata porphyry copperorebody Chuquieamata...istheWestfault.CIC = Chuquicamata Intrusive Complex, FIC = Fortuna Intrusive Complex. SCIENTIFIC COMMUNICATIONS...et al., 1997; Tomlinsonand Blanco, 500 rn [•-• Fortuna Granodiorite ChuquicatnataIntrusiveComplex • • |  | Rivas-Romero, Constanza, Reich, Martin, Barra, Fernando, Gregory, Daniel, Pichott, Sergio (2021) The Relation between Trace Element Composition of Cu-(Fe) Sulfides and Hydrothermal Alteration in a Porphyry Copper Deposit: Insights from the Chuquicamata Underground Mine, Chile. Minerals, 11 (7) 671 doi:10.3390/min11070671 | Journal (article/letter/editorial) | | Deposit: Insights from the Chuquicamata Underground Mine, Chile Constanza Rivas-Romero 1,2, *, Martin Reich...Deposit: Insights from the Chuquicamata Underground Mine, Chile. Minerals 2021, 11, 671. https://doi.org/...elements, such as Au and Ag. Despite the fact that chalcopyrite, bornite, and pyrite are the most common sulfides...report a comprehensive geochemical database of chalcopyrite, bornite, and pyrite in the super-giant Chuquicamata...study, focused on the new Chuquicamata Underground mine, was to evaluate the trace element composition of |  | | Catalog/List | | m1nor wolframite xls. 714) STELLERITE - Sarbai mine, Rudny, Kazakhstan; Showy lustrous brown radiating...$15 716) BETPAKDALITE - Sadisdorf, Erzgebirge, Germany; Rare - yellow powdery massive covering a quartz...CHRYSOCOLLA pseudomorph after SELENITE - Magma-Open Pit Mine, San Manuel, Arizona; Showy bright sky-blue chrysocolla... 725) FLUORITE with DOLOMITE and GALENA • Huanzala Mine, Peru; Neat, attractive specimens! Two available;...3 cm • $80 726) FLUORITE with DOLOMITE • Moscona Mine, Villabona, Asturias, Spain; Rich golden amber yellow |  | | Report (issue) | | aa, 16H7 . t Oretlt. ft /Mm# »f.i Falu copper mine has been continuously mined for more than 900 years...copper was mined from 1644 until recently. The first mine in Finland was the Ojamo iron ore deposit, which...Skellefte district, the Laisvall Pb-mine and the Aitik Cu-Au mine. The sulphide ores in the Outokumpu...associated with intrusive rocks include the Vammala Ni-Cu mine in Finland and the Wigström W deposit in Sweden...mines in northern Europe: Kiirunavaara underground mine (Fe) and Aitik open pit operation (Cu, Au). In addition |  | Simón, Valeria, Arnosio, Marcelo, Trumbull, Robert B., Caffe, Pablo, Rocholl, Alexander, Sudo, Masafumi, Lucassen, Friedrich, Huidobro, Facundo (2021) Geology, geochemistry and geochronology of Lindero porphyry gold deposit in the Southern Puna plateau, Argentina. Journal of South American Earth Sciences, 105. 103047pp. doi:10.1016/j.jsames.2020.103047 | Journal (article/letter/editorial) | | Geosciences GFZ, Telegrafenberg 14473, Potsdam, Germany of Instituto de Ecorregiones Andinas (INECOA...Geosciences, University of Potsdam, 14476 Potsdam-Golm, Germany re -p MARUM-Center for Marine Environmental...University of Bremen, Leobener Str. 8, 28359 Bremen, Germany 16 lP 15 20 21 22 ur 19 Jo 18 na 17 ...current owner of Lindero, Fortuna 108 Silver Mines Inc., began the mine construction in 2018 and has...lithologic and assay database 174 provided by Fortuna Silver Mines Inc. was used to generate 3D geological |  | de Ronde, C. E. J., Spooner, E. T. C., de Wit, Maarten J., Bray, C. J. (1992) Shear zone-related, Au quartz vein deposits in the Barberton greenstone belt, South Africa; field and petrographic characteristics, fluid properties, and light stable isotope geochemistry. Economic Geology, 87 (2) 366-402 doi:10.2113/gsecongeo.87.2.366 | Journal (article/letter/editorial) | | minimumscaleof •60 x 10 km andfor phaseseparation on a local(mine)scale.Evidencefor phaseseparation is notedby spatiallyrelated...part, at leastasyoungas3164 _ 12 Ma (Arm- Abbotts,Fortuna, Fairview, and Three Sisters,are in thisarc(Fig...geologichistorythat spansca. 300 and the Three Sisters mine to the northeast,respecm.y., or more. Regionalmetasomatism...•)NELSHOOGTEv - PLUTON x x,- x.. •. v SISTERS 2. FORTUNA PIONEER MONTROSE BELLEVUE BARBROOK v LEGEND...tively (KamoandDavis, 1991). QUARTZ-CARBONATE Local Mine Geology-AlterationZonation This studyis part of |  | | Journal (article/letter/editorial) | | composed is of Chuqui the Granite III. from Fortuna the propylitic Sciences, in and Chuqui rock... Monzonite, atoms. The the rocks oxygen Fortuna Si Fe20,/Fe0 indicate Qz-Mt-Fa (1975) gave... their the presence subsolidus entire of Fortuna imply Monzonite, that congelation. meteoric... Monzonite (ChGP) west Plutonic Aracena, Fortuna were not little amount of cause of the ...mineralization and covers the area between the Fortuna Monzo The The wall rocks of the com plex are |  | | Journal (article/letter/editorial) | | 31.04 ± 0.05 Ma. Dating of orthoclase from the Fortuna quartz-monzonite was problematic due to excess...well after emplacement of the dated phase of the Fortuna stock and, consequently, it cannot be the source...age between epithermal mineralization and the Fortuna stock is indicative of a long-lived but episodic...experiments on orthoclase from the Fortuna quartz-monzonite (Fortuna stock) associated with skarn and manto...The Oligocene Fortuna stock is spatially associated with mineralization in the Fortuna and Proaño areas |  | | Journal (article/letter/editorial) | | porphyry Cu Cu–Mo Mo Cu Cu Chalcopyrite, pyrite,molybdenite Chalcopyrite, molybdenite Molybdenite,... magnetite, bornite, chalcopyrite, pyrite, galena and sphalerite Chalcopyrite, pyrite, chalcocite, molybdenite...and cuprite Chalcopyrite, pyrite, bornite, and harrisite Chalcopyrite, pyrite Chalcopyrite, pyrite Chalcopyrite...Chalcopyrite, pyrite, and pyrrhotite Mineralisation Main mineral time (Ma) Ore-type composition 213...224.0 21.0 165 South granodiorite 176 El Abra mine porphyry Ore-bearing 38.0 194.0 468.0 61.0 |
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