 | Oliveros, VerĂłnica, TristĂĄ-Aguilera, Dania, FĂŠraud, Gilbert, Morata, Diego, Aguirre, Luis, Kojima, Shoji, Ferraris, Fernando (2008) Time relationships between volcanismâplutonismâalterationâmineralization in Cu-stratabound ore deposits from the Michilla mining district, northern Chile: a 40Ar/39Ar geochronological approach. Mineralium Deposita, 43 (1) 61-78 doi:10.1007/s00126-007-0147-1 | Journal (article/letter/editorial) | | Cu-stratabound ore deposits from the Michilla mining district, northern Chile: a 40Ar/39Ar geochronological...2007 # Springer-Verlag 2007 Abstract The Michilla mining district comprises one of the most important stratabound...deposits of the Coastal Cordillera of northern Chile, hosted by the Middle Jurassic volcanic rocks of...minerals from volcanic and plutonic rocks in the district allow Editorial handling: R. King V. Oliveros...Departamento de GeologĂa, Universidad de Chile, P.O. Box 13518-21, Santiago, Chile e-mail: volivero@ing.uchile.cl |  | | Book | | label: Aerial view of the Bingham Canyon copper mine, Kennecott Utah Copper, September 2003. Photo courtesy...and CopperGold Deposits at Los Pelambres, Central Chile JosĂŠ PerellĂł, Richard H. Sillitoe, Constantino...History of the RĂo Blanco-Los Bronces District, Central Chile: Development of Worldâs Greatest Known...Chuquicamata District, Northern Chile Geologic Overview of the Escondida Porphyry Copper District, Northern...Northern Chile Geology of the Bingham Canyon Porphyry Cu-Mo-Au Deposit, Utah Geology and Exploration Progress |  | | Report (issue) | | people in the cities of El Paso, Texas; Ciudad Juarez and Chihuahua, Chihuahua; and nearby Las Cruces...burgeoning cement industry in the environs of Ciudad Juarez, whose market stretches throughout the region and...locally in Chihuahua City but less so in the Ciudad Juarez cathedral. The chemical minerals of the Permian...importance. Included here is potash of the Carlsbad district of southeastern New Mexico and Frasch sulfur production...Architectural stone is produced from an underground mine in the thermally metamorphosed aureole of Permian |  | | Book | | org/details/geologyofchile0000unse The Geology of Chile ⢠The Geologica l Society of London Books Editorial...T. & GIBBO, s, W . (eds) 2007 . The Geology of Chile. The Geological Society, London. CHARRIER, R., PINTO...the Andean Orogeo in Chile. Jn: MORENO, T. & GrnsoNs, W. (eds) The Geology of Chile. The Geological Society...Society, London, 21-114. The Geology of Chile EDITED BY TERESA MORENO Earth Sciences Institute 'J aume...\ii . Grosjean 13. Field excursion from central Chile to the Atacama De<,crt. W. Gibbons & -1. Moreno |  | | Book | | produced specimens from such places as the La FĂŠ Mine in the state of Chiapas and Santa Rosalia in the...WIC ' ' (OSE INSET) Figure 3. The mineral province of Sierra Madre Occidental. (Modified from Berstein...Mexicali Show & Nensengdo Figure 4. The mineral province of Sonora. (Mod ors ified from Berstein, 1964...University of New York, Albany) Provinces / 5 The province of Sonora, located in the northwest corner of...4) is an extension of both the basin and range province, and the copper porphyry belt of the western United | | | Book | | produced specimens from such places as the La Fe Mine in the state of Chiapas and Santa Rosalia in the...CALl[NTCS ... I MI ( Figure 3. The mineral province of Sierra Madre Occidental. (Modified from Berstein...University of New York, Albany) Figure 4. The mineral province of Sonora. (Modified from Berstein, 1964, back...Ttcolote ⢠S 0 R A Sor ⢠Provinces I 5 The province of Sonora, located in the northwest corner of...4) is an extension of both the basin and range province, and the copper porphyry belt of the western United |  | | Report (issue) | | Gavilanes Tungsten District El Antimonio District Magdalena District Cananea District Preliminary Deposit-Type...or to a group of closely-spaced deposits. Two district records have been included (MX00018 and MX02161)...or names of individual orebodies. DISTRICT/AREA Informal district name used in the literature. Names...Cu Skarn Pb-Zn Skarn Fe Skarn Volcanic-Hosted Magnetite Au-Ag-Te Vein Comstock Epithermal Vein Creede...geochemistry and mineralization of the Washington mine area, Huepac, Sonora [abs.] in Najera-Garza, J. |  | | Journal (article/letter/editorial) | | trip through Sudbury, Cobalt, Ontario, Porcupine mine and parts of Michigan. T h e talk was illustrated... Marguerite Collyer. West Nyack, N.Y. Capitol District Mineral Club A singular and unique distinction...distinction has become the responsibility of the Capitol District Mineral Club of Albany, New York. At a meeting...to grant a provisional charter to the Capitol District Mineral group in order to incorporate and affiliate...stimulate an urge toward achievement . . . the Capitol District Mineral Club is destined to fulfill the requirements |  | Carrino, Thais Andressa, CrĂłsta, Alvaro Penteado, Toledo, Catarina LabourĂŠ Bemfica, Silva, Adalene Moreira (2015) Unveiling the hydrothermal mineralogy of the Chapi Chiara gold prospect, Peru, through reflectance spectroscopy, geochemical and petrographic data. Ore Geology Reviews, 64. 299-315 doi:10.1016/j.oregeorev.2014.07.012 | Journal (article/letter/editorial) | | smectite Âą kaolinite Âą pyrite Âą chalcopyrite Âą magnetite). The central sector of the prospect, situated...migration of the Barroso magmatic arc towards the Peru-Chile trench resulted in the current active volcanism...as well as San SC Antonio de Esquilache (an old mine exploited for Cu, Pb, Ag, Zn and Au since colonial...replaced by epidote (~0.35 and 0.65 mm) (Fig. 10D). Magnetite (Fig. 10B) and disseminated subhedral to anahedral... pp. 419-454. PT ED Barreda, J., Loayza, D., Juarez, P., Torres, R., 2004. DepĂłsitos epitermales de |  | | Book (edition) | | Linopolis, Brazil, H Page 13: Gold, 35 mm.Eagle's est Mine, California, G Publi!>hed by Grdllit.u.o. Stefanikova43...expressed in abbreviations: Rep. (republic), prov. (province), co. (county), munic. (municipio), pref. (prefecture)...dept. (departement), dept. (departamento), dist. (district). Less common terms are not abbreviated, e.g....canton (Switzerland), vilayet (Turkey), region (Chile), kray and oblast (Russia). The country names are...the revolution in 1997. Its mineral rich Katanga province was renamed Shaba by Mobutu, and is now the Katanga |  | | Journal (article/letter/editorial) | | enjoyable trip well into Mexico. We entered at Juarez, leaving our car in El Paso, Texas, and going with...Grande, the river which separates U.S. from Mexico. Juarez is on the south bank. These friends live in Chihuahua...description of the enclosed sand. Juarez, Mexico. About 35 miles south of Juarez, is a large patch of blow sand...white feldspar, and a very tiny amount of black magnetite.âEditor). I was greatly interested in the Mexican...grained sand consisting of smoky quartz and black magnetite.âEditor). Veracruz, Mexico. We made a side trip |  | | Book | | El Antimonio District Cananea District ...... Arizpe District ........... Nacozari District ...... Moctezuma...Moctezuma District ... Hermosillo District ... Alamos District ........ San Bernardo Area Alistos District...SECTION 2 â Highway 45 Sabinal District ............... Los Lamentos District.... Placer de Guadalupe Puerto...Aire District Chihuahua .......................... Santa Eulalia District....... El Potosi Mine........Antonio Mine....... Cusihuiriachic District..... Barranca de Cobre (Copper Canyon) Batopilas District Strip |  | | Journal (article/letter/editorial) | | Geology , University of DelhiâSouth Campus , Benito Juarez Road, New Delhi, 110 021, India b Turnstone Geological...Geology, University of Delhi-South Campus, Benito Juarez Road, New Delhi 110 021, India AND GRAHAM C. WILSON...list of placer minerals would include ilmenite, magnetite, and rutile; xenotime and monazite; cassiterite;...Singhbhum shear zone of Bihar (in cluding the Mosaboni mine) is an important source of copper (Sarkar et al...at 13,000 MT (10,000 MT hematite and 3,000 MT magnetite ore) (Tandon, 1997). Important Fe and Mn depos |  | | Report (issue) | | DEPOSITS IN THE NORTHERN PART OF THE SIERRA DE JUAREZ NORTHERN TERRITORY LOWER CALIFORNIA, MEXICO By...In pocket Geologic map of area near El Fenomeno mine. In pocket Geologic map, sections, and leve¡l maps...â˘â˘â˘â˘â˘â˘â˘â˘â˘ In pocket Flowsheet of mill at El Fenomeno mine â˘â˘â˘ ~ â˘â˘ In pocket Geologic map and sections of...pocket Index map showing location of tungsten district studied in Lower California â˘â˘â˘â˘â˘â˘â˘â˘â˘â˘â˘ 75 â˘...DEPOSITS IN THE NORTHER!~ PART OF THE SIERRA DE JUAREZ, NORTHERN TERRITORY, LOWER CALIFORNIA, MEXICO |  | Macouin, M., Valet, J.P., Besse, J., Buchan, K., Ernst, R., LeGoff, M., Scharer, U. (2003) Low paleointensities recorded in 1 to 2.4 Ga Proterozoic dykes, Superior Province, Canada. Earth and Planetary Science Letters, 213 (1) 79-95 doi:10.1016/s0012-821x(03)00243-7 | Journal (article/letter/editorial) | | recorded in 1 to 2.4 Ga Proterozoic dykes, Superior Province, Canada§ M. Macouin a; , J.P. Valet a , J. Besse...conducted on six mafic dyke swarms from the Superior Province in Canada with U^Pb ages between 1141 Ma and 2473...550^580âĄC), indicating that it is carried by magnetite or low titanium titanomagnetite. Magnetic mineralogy...Precambrian; rock magnetism; ma¢c dykes; Superior Province * Corresponding author. Tel.: +33-1-44-27-28-26;... Geological setting and sampling The Superior Province of the Canadian Shield consists of an Archean |  | Barkov, Andrei Y., Bindi, Luca, JuĂĄrez-Arellano, Erick A., Tamura, Nobumichi, Shvedov, Gennadiy I., Ma, Chi, Martin, Robert F. (2021) Unnamed Pt(Cu0.67Sn0.33) from the Bolshoy Khailyk River, Western Sayans, Russia, and a Review of Related Compounds and Solid Solutions. Minerals, 11 (11) 1240 doi:10.3390/min11111240 | Journal (article/letter/editorial) | | platinum-group minerals, RhâCo-rich pentlandite and magnetite, all hosted by a placer grain of Cuâ AuâPt alloy...Bolshoy Khailyk, western Sayans, in the Ermakovskiy district, southern Krasnoyarskiy kray of Russia [1] are...barroisite. Along with cobaltian pentlandite and magnetite, PCSM forms small domains sioâhornblende and barroisite...barroisite. Along with cobaltian pentlandite and magnetite, PCSM up to 15 Âľm domains Ă 30 Âľmup in to size...after the optimization of the geometry. * After JuarezâArellano et al., 2020 [2]. Syntheses S4 and S5 |  | | Conference Proceedings (Volume) | | Cover photograph: View of the Aitik open pit copper mine in the very north of Sweden. Mining operations started...area of the Kristineberg VHMS deposit, Skellefte district, Sweden .......................................A. Massive Zn-Cu-Pb deposits in the Røros ore district, Norway: setting and formation ................ The JĂśrn granitoid complex, Skellefte mining district, Sweden: petrography, lithogeochemistry and emplacement...for VHMS deposits, Kristineberg area, Skellefte District, Sweden ..................................... |  | | Journal (issue) | | Mineral Localities: The ErupciĂłn/Ahumada Mine, Los Lamentos District, Chihuahua, Mexico ....................Front Cover WULFENITE from the Ahumada mine, Los Lamentos District, Chihuahua, Mexico; 6.6 cm across. Norm...gathering around a natural amphitheater amid the mine buildings and headframes in order to hear what we...Mexico-II having been devoted to the famous Ojuela mine). Covered here are four more important and prolific...and Arizona Company, then managed the New Cornelia mine at Ajo with great success. While still working for |  | | Journal (article/letter/editorial) | | acquisition as a function of applied ÂŻeld B for magnetite, as predicted by single-domain theory. M=Ms is...to the high unblocking temperatures typical of magnetite and haematite. Furthermore, populations of magnetic...example, Pick & Tauxe 1993a; b, 1994; Juarez et al. 1998; Juarez & Tauxe 2000). The new specimens used...references: CPC91, Castillo et al . (1991); JTGP98, Juarez et al. (1998); LL95, Lee & Lawver (1995); MRL93...over geological time (see, for example, Juarez et al . 1998; Juarez & Tauxe 2000). Because we re-evaluate |  | | Journal (issue) | | Pennsylvania 15026. The twelve color photos show groups of mine lamps and other mining antiques from the extraordinary...Sverdlovsk in the Urals, Soviet Union; the Morefield mine, Amelia County, Virginia; and the Anjanabonoina...resulted in a partial closing of the mine in 1984. The Socoto mine lies north-northeast of the Campo Formoso...though not of gem quality. Phenakite from the Socoto mine occurs as milky to translucent crystals up to 10...biotite books, aquamarine, phenakite, schorl, magnetite, small garnets and a few dark smoky quartz crystals |  | | Journal (article/letter/editorial) | | MANGANESE BATESVILLE H. D. MISER DEPOSITS DISTRICT, AND D. F. OF THE ARK.* HEWETT. Since its...its discovery, about x849, the Batesville district has been the sourceof a large quantity of manganeseoxidesthat... ORES EXTENSION G. M. OF THE UNITED VERDE MINE. SCHWARTZ. The ores of this deposit show an unusual...silver-lead-zincdistrict and the Sylvanitc gold district, the depositsof each being clusteredin and near...olivine, 2.2% pyroxene,0.82% pyrrhotite, o.20% magnetite, o.I3% chalcopyrite,and 0.06% pentlandite. The |  | Gaillard, Nicolas, Williams-Jones, Anthony E., Clark, James R., Salvi, Stefano, Perrouty, StĂŠphane, Linnen, Robert L., Olivo, Gema R. (2020) The use of lithogeochemistry in delineating hydrothermal fluid pathways and vectoring towards gold mineralization in the Malartic district, QuĂŠbec. Ore Geology Reviews, 120. 103351 doi:10.1016/j.oregeorev.2020.103351 | Journal (article/letter/editorial) | | vectoring towards gold mineralization in the Malartic district, QuĂŠbec Nicolas Gaillard, Anthony E. Williams-Jones...vectoring towards gold mineralization in the Malartic district, QuĂŠbec, Ore Geology Reviews (2020), doi: https://doi...vectoring towards gold mineralization in the Malartic district, QuĂŠbec Authors Nicolas Gaillard 1, Anthony E...largest gold deposits in the Archean Superior Province of Canada. The gold mineralization is hosted predominantly...interaction in the metasedimentary rocks of the Malartic district. The metaturbidites are separated into four lithotypes |  | Prol-Ledesma, R. M., Canet, C., Melgarejo, J. C., Tolson, G., Rubio-Ramos, M. A., Cruz-Ocampo, J. C., Ortega-Osorio, A., Torres-Vera, M. A., Reyes, A. (2002) CINNABAR DEPOSITION IN SUBMARINE COASTAL HYDROTHERMAL VENTS, PACIFIC MARGIN OF CENTRAL MEXICO. Economic Geology, 97 (6) 1331-1340 doi:10.2113/gsecongeo.97.6.1331 | Journal (article/letter/editorial) | | Tertiary time (Ziagos et al., 1985; Prol-Ledesma and Juarez, 1986). High heat flow values, up to 250 mW mâ2...al., 1994). The basaltic rocks in the Nayarit province have been described by Gastil et al. (1979), Soto...the 8 to 9 Ma basalts of the Miocene volcanic district of Nayarit (Ferrari et al., 2000). Local Geology...disseminated in the calcite cement (Fig. 4c). Detrital magnetite grains are also locally replaced by pyrite (Fig...COMMUNICATION a b Barite Pyrite c d Pyrite Magnetite FIG. 4. a. Barite crystals and pyrite deposited |  | SchĂźtte, Philip, Chiaradia, Massimo, Barra, Fernando, VillagĂłmez, Diego, Beate, Bernardo (2012) Metallogenic features of Miocene porphyry Cu and porphyry-related mineral deposits in Ecuador revealed by Re-Os, 40Ar/39Ar, and U-Pb geochronology. Mineralium Deposita, 47 (4) 383-410 doi:10.1007/s00126-011-0378-z | Journal (article/letter/editorial) | | Departamento de GeologĂa, Universidad de Chile, Plaza Ercilla 803, Santiago, Chile Present Address: D. VillagĂłmez...central Andes of southern Peru and northern-central Chile (ca. lat. 13â 34° S) where Sillitoe and PerellĂł...eastern para-autochthonous province and a western allochthonous province. The two provinces are separated... Vallejo et al. 2009). The para-autochthonous province crops out to the east of the suture zone and comprises...Cordillera; dashed where inferred) COLOMBIA Imbaoeste district: Cuellaje JunĂn 0° ChimboToachi shear zone ECUADOR |  | | Journal (article/letter/editorial) | | concentration of that stream. However, even if magnetite is present only in the form of crystal relicts...Minas Gerais and the CarajĂĄs Iron Ore Mineral Province in the northern state of ParĂĄ. Both areas represent...IV) have been identified. Generations of magnetite (magnetite I, II and III) and martite (martite I and...identified. 1â3 Magnetite I can be considered as a kenomagnetite (Fe2+ deficient magnetite).4 Ore genesis...sinter feed, martite (a hematite pseudomorph of magnetite) is the most important mineral phase present in |
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