 | | Report (issue) | | describes his recent visits to a small former fluorite mine 2.5 kilometers north of the village of Mihalkovo...border with Greece. Until its closure in 1994 this mine produced fluorite for industrial uses, and, it seems...siderite and sphalerite after calcite, from the Broken Hill mine, Aggeneys, Northern Cape Province, South Africa...===ï„ Siderite/Sphalerite epimorphs after calcite, 14.2 cm, from the Broken Hill mine, Aggeneys, Northern...Northern Cape Province, South Africa. Via Mineralia specimen and photo. For this friuitful season, Rudolf |  | | Journal (article/letter/editorial) | | GEOLOGY AND MAJOR ORE DEPOSITS OF CENTRAL ULRICH PERU PETERSEN CONTENTS PAGE Abstract ..............the center of the districts to the margins. This district zoning is modifiedby local or orebodyzoning and...complexenterprise,includingthe Goyllarisquizga coal mine, concentrating, smelting,and refiningfacilitiesand...observations and ideas. MAJOR ORE DEPOSITS OF CENTRAL PERU 409 General summariesare presentedby McLaughlin...ĂO0âąA BASILIA YAURIOOCHA LOCATION CENTRAL 50 MAP PERU 0 50 âąILOM[T[RS Ă Fro. 1. Locationmap. GASTROVlRREYNA |  | Markowski, AgnĂšs, Vallance, Jean, Chiaradia, Massimo, FontbotĂ©, LluĂŹs (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) | | zoning and gold occurrence in the Fortuna skarn mine, Nambija district, Ecuador Received: 24 February 2005...May 2006 # Springer-Verlag 2006 Abstract The Fortuna oxidized gold skarn deposit is located in the northern...northern part of the Nambija gold district, southern Ecuador. It has been subdivided into four mineralized...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 |  | | Report (volume) | | Huayhuash, Peru Prepared in cooperation with the Ministerio de Fomento, Instituto Geologico del Peru, under...CORDILLERA BLANCA AND NORTHERN CORDILLERA HUAYHUASH, PERU By ALFRED J. BODENLOS and GEORGE E. ERICKSEN ABSTRACT...Silver-bearing galena concentrate is the chief product. Sphalerite either is not mined or is discarded because its...sulflde minerals in the deposits are galena, sphalerite, and pyrite; chalcopyrite, tetrahedrite-teunantite...bodies in most deposits precludes larger scale mining or mechanizations of operations, and it is concluded |  | | Journal (article/letter/editorial) | | LONG-LIVED HYDROTHERMAL SYSTEM IN THE FRESNILLO SILVER DISTRICT, MEXICO: CONSTRAINTS FROM 40Ar/39Ar GEOCHRONOLOGY...Environmental Sciences Department, New Mexico Institute of Mining and Technology, Socorro, New Mexico 87801 2New...and Mineral Resources, New Mexico Institute of Mining and Technology, 801 Leroy Place, Socorro, New Mexico...and dikes are the youngest igneous rocks in the district. Spatial association of Tertiary volcanic rocks...sulfate alteration, and epithermal veins makes the district ideal for evaluating the temporal relations between |  | | Journal (article/letter/editorial) | | 1âą88, pp. 1583-1596 Ore Deposits at the Fresnillo Mine, Zacatecas,Mexico DELFINO C. RUVALCABA-RUIZ PasajeE...Chimneyand mantobodiescontainpyrite, pyrrhotite,sphalerite,chalcopyrite,galena, tetrahedrite,marcasite,arsenopyrite...proustitc,miargyrite,polybasite, tetrahedrite,galena,sphalerite,and chalcopyrite.Individualveinsexhibitincreasingsilver...values,with galenadepletedin 34Swith respectto sphalerite. Galenab34S valuesfromall deposittypesat Fresnillovarybetween-4...surface)level. Introduction hills, Loma de la Fortuna, Cerro Proafio, and Cerro Populo, with reliefs |  | Skirrow, R.G, Camacho, A, Lyons, P, Pieters, P.E, Sims, J.P, Stuart-Smith, P.G, MirĂł, R (2000) Metallogeny of the southern Sierras Pampeanas, Argentina: geological, 40Arâ39Ar dating and stable isotope evidence for Devonian Au, AgâPbâZn and W ore formation. Ore Geology Reviews, 17 (1) 39-81 doi:10.1016/s0169-1368(00)00004-4 | Journal (article/letter/editorial) | | rare-metal-enriched pegmatites were succeeded by a province-wide metallogenic epoch and concurrent tectonic...AgâPbâZn sulfideâquartz veining in the El Guaico district Ćœ386 " 4 Ma, sericite., and W-bearing quartz vein...the geology of principal deposits in all major mining districts of the project areas, and were supported...which to reassess the metallogeny of this historic mining region. 2. Geological setting and tectono-magmatic...well exposed in the southern ranges of La Rioja Province ĆœPankhurst et al., 1996, 1998; Pieters et al. |  | | Book | | MALAWI Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series of incompletely...Springfield show ( 1995: 582). Madawaska [Faraday] mine near Bow Lake, Hastings County. Some of the world's...property of, the old Madawaska uranium mine (called the Faraday mine before 1964). The mineral assemblage...Cowgill, 1977). LATINAMERICA BRAZIL Jacupiranga mine, Sao Paulo. Among the crystallized minerals in the...Oblast. Alpine-type clefts in the famous Dodo quartz mine commonly contain ilmenite, occurring as lustrous |  | Vallance, Jean, FontbotĂ©, LluĂs, Chiaradia, Massimo, Markowski, AgnĂšs, 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) | | Silver Peru SAC, Av. La Floresta 497, Of. 301, Chacarilla del Estanque, San Borja, Lima, Peru A. Markowski...Aslund 1998). The Nambija oxidized gold skarn district is one of the main gold producers of Ecuador (see...40 km west of the Peruvian border (Fig. 1). The district includes several mines detailed in Fig. 1 and...The results of previous studies on the Nambija district (Vallance et al. 2003; FontbotĂ© et al. 2004; Markowski...mineralogical zonation has been observed at the mine scale, except at Fortuna. The main ore mineral associated with |  | 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. 249â270 Geology of the Chuquicamata Mine: A Progress Report GUILLERMO OSSANDĂN C., CODELCO-Chile...digenite, covellite, pyrite, and minor coarse sphalerite, along with sericite, and locally alunite but...distinguish from supergene covellite. Rims of sphalerite on primary sulfides, almost invariably with inner...0361-0128/01/3133/249-22 $6.00 249 250 OSSANDĂN ET AL. The sphalerite rims are interpreted by most as supergene, but...Guggenheimâs Chile Copper Co., initiated open-pit mining on disseminated oxide ore averaging 1.89 percent |  | | Report (issue) | | ARIZONA LODE GOLD MINES AND GOLD MINING by Eldred D. Wilson, J. B. Cunningham, and G. M. Butler Bulletin...Arizona Tucson ARIZONA LODE GOLD MINES AND GOLD MINING by Eldred D. Wilson, J. B. Cunningham, and G. M...Mines Bulletin No. 137, ARIZONA LODE GOLD MINES AND MINING, was originally issued in 1934 in response to the...and, in view of the restrictions placed on gold mining during the war, it was not considered necessary...which deals with the laws and regulations governing mining, however, have been deleted, inasmuch as many of |  | Chiaradia, Massimo, Vallance, Jean, FontbotĂ©, Lluis, Stein, Holly, Schaltegger, Urs, Coder, Joshua, Richards, Jeremy, Villeneuve, Mike, Gendall, Ian (2009) UâPb, ReâOs, 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) | | Pangui is a recently discovered porphyry CuâMo district. The geology of the Subandean zone in southeastern...veins postdating gold deposition) of the Nambija district are all indistinguishable from each other within...Silver Peru SAC, Av. La Floresta 497, Of. 301, Chacarilla del Estanque, San Borja, Lima, Peru H. Stein...minerals. The new Jurassic age for the Nambija district is slightly younger than the 40Ar/39Ar and ReâOs...magmaticâhydrothermal minerals from the Pangui district, which range between 157 and 152 Ma. Mineralization |  | | Report (issue) | | Scalemodelecaltydomessery Clay, GRISEMSMS wate Gn GOaNe MininG Districts vce oh with RApIAL ae TE ee PRE...Detwieccnmpasinsmancialip hits mamryt cetera MINING DISTRICTS, ASSOCIATED WITH CA NTICEINES eerie...0000eeceescececscdbeen structural map, or Rico; Colorado, .district: . ..+.5. ssw Fea ive Res five voles ow tod...cureieunertiae ote teers 12 Plan. and section of Sunlight district, Wyoming, 16 4, tires sheik aes ........02+2...Mexico Aenea SmmSCLUCLUTAlEMaprOrsOllyentons district ColoLadoum Ole Generalusectionsthroupheoilyentonidistricte |  | Staude, S., Mordhorst, T., Neumann, R., Prebeck, W., Markl, G. (2010) Compositional variation of the tennantiteâtetrahedrite 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) | | tetrahedrite solidsolution series in the Schwarzwald ore district (SW Germany): The role of mineralization processes...(âfahloreâ) from 78 locations in the Schwarzwald ore district of SW Germany. Electron microprobe analysis is...fahlore, tennantite, tetrahedrite, Schwarzwald ore district, Black Forest, hydrothermal mineralization. Introduction...for Pb and Ag (Goldenberg and Steuer, 2004), and mining activities continued in medieval and modern times...2004). Geological setting The Schwarzwald ore district (SW Germany) is part of the European Variscan |  | Valencia-Moreno, MartĂn, CamprubĂ, Antoni, Ochoa-LandĂn, Lucas, Calmus, Thierry, MendĂvil-Quijada, HĂ©ctor (2017) Latest Cretaceous-early Paleogene âboomâ 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) | | developed south of the classical flat-slab Laramide province, characterized by uplift of NU large crustal...during this time, including the tungsten skarn province of Sonora, which partially overlaps the porphyry...belt (Mead et al., 1988), and the orogenic gold province of PT northwestern Sonora (Izaguirre et al....Madre ACCEPTED MANUSCRIPT Occidental volcanic province. Similar sequences have been documented for the...Sonora, which are the El Pilar, Los Humos, and Fortuna del Cobre. The El Pilar deposit is located ~44 |  | | 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...economic interest. MINOR: Coproducts or byproducts of mining. POTEN: Commodities that have not been exploited...geologic inferences only ("inferred ore"). The mining industry terms "proven", "probable", and "possible" |  | | 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...kilometers of quartzite along the stock contact and the Fortuna zone and then up to the south-southeast along bedding...referred to as idaite Lewis (1996) Yauricocha, Peru Porphyryrelated CuAu-Pb-Zn limestone replacement |  | | Report (issue) | | N-1321 Stabekk Norway F. S. Nordrum The Norwegian Mining Museum N-3600 Kongsberg Norway H. K. Schonwandt...aa, 16H7 . t Oretlt. ft /Mm# »f.i Falu copper mine has been continuously mined for more than 900 years...Dahlbergâs Sveda Antiqua et Hodierna. 6 FOREWORD Mining has ancient traditions in Scandinavia and Finland...by the old miners in Bergslagen. The most famous mining districts in Norway are Kongsberg, where silver...copper was mined from 1644 until recently. The first mine in Finland was the Ojamo iron ore deposit, which |  | | Journal (article/letter/editorial) | | cooke@utas.edu.au (D.R.C.) TMVC, Transforming the Mining Value Chain, an ARC Industrial Transformation Research...eastern flank of the Frontal Cordillera, San Juan province, Argentina ([1,2]; Figure 1). The Frontal 0 00...Cordillera, San Juan province, Argentina ([1,2]; Figure 1). The Frontal Mendoza province, and it is limited...concentration in a hydrothermal breccia Mendoza province, and it is limited to the west by the Principal...most important breccia complex in the mineralized district, de los Andes deposit hosts the largest bismuth |  | | Book | | The endsheet maps are reprinted from The Mexican Mining Industry 1890-1950 by Marvin D. Bernstein, by permission...is * CONTENTS Foreword Preface Important Mining Districts Discovery and Developments in MĂ©xico...introduction contains an interesting summary of the mining history and the development of mineralogy. It also...The author discusses eight of the more important mining districts in MĂ©xico, which produce fine mineral...geologists, mineralo- x / Foreword gists, and mining engineers, but also for mineral and gem collectors | | | Book | | The endsheet maps are reprinted from The Mexican Mining Industry 1890-1950 by Marvin D. Bernstein, by permission... CONTENTS âą Foreword lX Preface Xl Important Mining Districts 1 Discovery and Developments in Mexico...introduction contains an interesting summary of the mining history and the development of mineralogy. It also...The author discusses eight of the more important mining districts in Mexico, which produce fine mineral...geologists, mineralo- LX x I Foreword gists, and mining engineers, but also for mineral and gem collectors |  | Barra, Fernando, Alcota, Hugo, Rivera, Sergio, Valencia, Victor, Munizaga, Francisco, Maksaev, Victor (2013) Timing and formation of porphyry CuâMo 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) | | porphyry CuâMo mineralization in the Chuquicamata district, northern Chile: new constraints from the Toki...of the Collahuasi Group and intrusions of the FortunaâLos Picos Granodioritic Complex. Hypogene mineralization...State University, Pullman, WA, USA S. Rivera Coro Mining Corp, Santiago, Chile molybdenite mineralization...period of several million years in the Chuquicamata district. Introduction Chile is the major copper producer...and Miranda in 2006, all within the Chuquicamata district (Fig. 1). These deposits are spatially very close |  | | Report (issue) | | . . . . . . . . . . . . . . . . . 1 Chapter I. Mining Districts of Counties and the State of Utah. .... . . . . . . . . . . . . . . . . 1 Chapter II. Mining Districts of Utah . . . . . . . . . . . . . . ...increasing both because of renewed activity in old mining camps and because of Utahns and tourists who seek...selected metallic minerals of each county. CHAPTER I MINING DISTRICTS OF COUNTIES AND THE STATE OF UTAH The...publications may-be inter-changed. In Chapter I mining districts are listed alphabetically both for each |  | | Book | | ................. 61 ïŒ The Mankayan Mineral District, .Luzon Philippines. Artemio F Disini, Bruce M...Agua Rica Porphyry Cu-Mo-Au DepositïŒCatamarca Province, Northwestern Argentina. Part 1 : Exploration...and Rosario Copper Porphyry Deposits, CoUahuasi District Chile. Claudio Bisso B, Manuel Durdn andAquiles...worldâs largest mining operations and are the cornerstone of many of the worlds great mining houses. As such...Understanding of Porphyry & Other Hydrothermal Deposits The mining history of porphyry copper and gold orebodies, |  | | Book | | label: Aerial view of the Bingham Canyon copper mine, Kennecott Utah Copper, September 2003. Photo courtesy...Magmatic-Hydrothermal History of the RĂo Blanco-Los Bronces District, Central Chile: Development of Worldâs Greatest...Chuquicamata District, Northern Chile Geologic Overview of the Escondida Porphyry Copper District, Northern...± Molybdenum Deposits of the Ertsberg-Grasberg District, Papua, Indonesia Clyde A. Leys, Mark Cloos,...N. Moreto, AndrĂ© Luiz Silva Pestilho, Mineral Province, Brazil Gustavo Henrique Coelho de Melo, Marco |
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