| 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...sediments. The basement is subdivided into the Baden-BadenZone (BBZ) in the North (belonging to the Saxothuringian)...1980). From the Middle Triassic to Jurassic, SW Germany was part of a shelf platform with distinct time | | | Journal (article/letter/editorial) | galena: A case study from the Schwarzwald, SW Germany Maximilian F. Keim, Rafael Vaudrin, Gregor Markl...supergene ore deposits of the Schwarzwald, SW-Germany, were performed by laser ablation-inductively coupled...Schweizerbart’sche Verlagsbuchhandlung, Stuttgart, Germany DOI: 10.1127/njma/2016/0002 eschweizerbart_xxx...Keim et al. 8°20'E 8°00'E 7°40'E 8°40'E Baden-Baden 49°00'N During weathering of silver-bearing...discussed using stability diagrams based on Schwarzwald mine water chemistry data from GöB et al. (2011, 2013a | | | Journal (article/letter/editorial) | HYDROTHERMAL VEIN-TYPE DEPOSIT: THE CLARA MINE, SW GERMANY, AS A TYPE EXAMPLE GREGOR MARKL§ Universität...Geowissenschaften, Wilhelmstraße 56, D-72074 Tübingen, Germany MAXIMILIAN F. KEIM Technische Universität München... 85748 Garching, Germany RICHARD BAYERL Ludwigstrasse 8, 70176 Stuttgart, Germany ABSTRACT The Clara...Clara baryte-fluorite-(Ag-Cu) mine exploits a polyphase, mainly Jurassic to Cretaceous, hydrothermal unconformity...unconformity vein-type deposit in the Schwarzwald, SW Germany. It is the type locality for 13 minerals, and more | | | Journal (issue) | Famous Mineral Localities: The Erupción/Ahumada Mine, Los Lamentos District, Chihuahua, Mexico ........minrec.org Front Cover WULFENITE from the Ahumada mine, Los Lamentos District, Chihuahua, Mexico; 6.6 cm...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) | 1•88, pp. 1583-1596 Ore Deposits at the Fresnillo Mine, Zacatecas,Mexico DELFINO C. RUVALCABA-RUIZ PasajeE...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...Severalmanto-type southwestof FresnilloCity (Fig. 2), lies in a valley depositsaswell aschimneyandminordisseminated approximately2...Fresnilloand other baseand preciousmetal deposits. The mine maybe dividedinto three zones(Fig. 2): SantaElena | | | 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 | | | Book | Eulalia District....... El Potosi Mine............. San Antonio Mine....... Cusihuiriachic District................................. Minerals of Ojuela Mine .... . Velardena District.........................Guanajuato District ..................... El Sanlin Mine......................... San Miguel de Allende ...District .... Huitzuco District ........ Rio Balsas Region Puebla Tecali....................................assistant superintendent, both of Fresnillo’s Naica mine, helped with data and review. Dr. Edwin Roedder | | | Report (issue) | mineral localities, with the minerals found at each mine or locality. Most mining districts and mineral localities...whole, along with those for which the specific area (mine, for instance) is not known. Other minerals, however...Mountains). Bradshaw District (Mineral Range). Fortuna District (Tushar Mountains). Gordon District (Tushar...Newfoundland District (Newfoundland Mountains). Park Valley District (Raft River Mountains). Promontory District...(Mt. Escalante). Gold Springs District (Hamlin Valley). Iron Springs District (Iron and Granite Mountains | | | Book | professor, Abraham Gottlieb Werner (1750-1817) of Freiburg, Saxony, but shortly thereafter he wrote his own...produced specimens from such places as the La Fé Mine in the state of Chiapas and Santa Rosalia in the...meters (10,000 feet) high. Mineralogically, this region is of great interest to the collector and includes...locations in this richly oxidized and heavily volcanic region is excellent, especially at the currently developing...Sierra del Sur (Fig. 6), a structurally complex region composed of old, eroded mountains r Sows 1 G | | | Book | produced specimens from such places as the La Fe Mine in the state of Chiapas and Santa Rosalia in the...meters I 10,000 feet) high. Mineralogically, this region is of great interest to the collector and includes...locations in this richly oxidized and heavily volcanic region is excellent, especially at the currently developing...Sierra de! Sur (Fig. 6). a structurally complex region composed of old, eroded mountains Figure 5. The...production from this province. As a whole, however, the region is very remote and inhospitable and again travel | | | Report (volume) | transportation. The sedimentary rock units of the region are Jurassic (?) marine quartzites and phyllites...also Avould stimulate production. GEOGRAPHY OF THE REGION AND LOCATION OP DEPOSITS GEOGRAPHY The Departamento...the crest of the Cordillera Negra, and in narroAv valley floors. ElseAvhere slopes are steep and highly...Fortaleza, and Santa. The streams within the offset region between the Cordilleras Blanca and Huayhuash flow...south of Huaras. At the upper end of the Santa Valley, just east of a pass in the Cordillera Negra, is | | | Report (issue) | [Mexico-copper/zinc/lead/gold/silver]: Hannover, Germany, Bundesanstalt fur Geowissenschaften und Rohstoffe... C., and Barcenas R., A., 1978, Geologia de la region cuprifera del Transvaal, municipio de Cumpas, Sonora...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 | | Castor, S. B., Boden, D. R., Henry, C. D., Cline, J. S., Hofstra, A. H., McIntosh, W. C., Tosdal, R. M., Wooden, J. P. (2003) The Tuscarora Au-Ag District: Eocene Volcanic-Hosted EpithermalDeposits in the Carlin Gold Region, Nevada. Economic Geology, 98 (2) 339-366 doi:10.2113/gsecongeo.98.2.339 | Journal (article/letter/editorial) | Volcanic-Hosted Epithermal Deposits in the Carlin Gold Region, Nevada STEPHEN B. CASTOR,† Nevada Bureau of Mines...1876–1895 1898–1903 1903–1941 Silver zone Dexter mine Various 150,0001 40,000 18,000 7,000,000 100,000...1979–1981 1987–1990 Total Leaching of dumps Dexter mine 2,000 34,000 204,000 147,000 185,000 7,632,000...established that most Carlin-type gold deposits of the region formed in the Eocene, generally between 42 and...little was known about the Eocene geology of the region (Brooks et al., 1995a, b) or about the Tuscarora | | | Journal (issue) | employed as forced labor, cobbing out silver ore at a mine in Chihuahua; from Louis Simonin s i e ergr u r...malachite pseudomorphs from the Milpillas copper mine began appearing on the mineral market in 200 . t...those from Tsumeb, amibia. The huge new underground mine exploits a manto deposit of chalcocite, with secondary...production during the next few years, as long as the mine remains in operation. LOCATION AND SETTING Milpillas...Mineralogical Record, Figure 2. The Milpillas mine site (photo courtesy of Salvador Ortiz and Francisco | | | Journal (issue) | and engineering staff, many of them educated in Germany. The collection has been added with new gold specimens...belonged to mining companies based in the Brad region. Today, it is owned by S.C. “MINVEST” S.A. Deva...more than 2000 year old mining activity in the region. 2. Collections and exhibitions The expositional...(about 80% of the specimens originate in the Brad region, especially Musariu and Brădişor deposits). The...metal gold pans, as well as a replica of the famous mine carriage which is considered to be the oldest of | | | Report (issue) | Distribution of the ore districts in the Cordilleran region ............+00+.eeee0: Relation of epithermal...Plate 1. ao Facing Structural map of Cordilleran region showing ore districts associated with domes or...the anticlinal axis and dip toward it; but the Fortuna fracture, which carried the richest ore body, lies...deposits are scattered from one end of the Cordilleran region to the other. They show, however, a preference...metallization was taking place. The whole Cordilleran region was fast assuming its present shape. The local | | | Book | Congress Catalog Card No. 66-17809 Printed in Germany 08 011635 3 PREFACE TO THE T H I R D (GERMAN)...N , Troy, New York, USA G. FRIEDRICH, Aachen, Germany H . FROHBERG, Toronto, Canada R. L A GANZA, North...Pullman, Washington R. A. ZIMMERMANN, Heidelberg, Germany 2 Bamdohr, Theorie Minerals XVÜ ABBREVIATIONS...places of extreme differentiation (e.g., at the Frood Mine and at Insizwa) bismuth and tellurium minerals are...H E ORE MINERALS FIG. 4 80 X Mouat Mine, Stillwater Valley, Montana RAMDOHR From a border zone, | | | Report (issue) | and good specimens have come from the Manzanita mine. Imperial County: The mud volcanoes near Volcano...found in the Defiance mine. Kern County On both sides of the San Joaquin Valley impure beds of gypsum...district. Lake County: At the Sulphur Bank quicksilver mine, situated on Clear Lake, a very interesting deposit... mony mines has also been found in the Buffalo mine and in the anti- San Emidio Mountains, of the...Alisal mine on El of Salinas, in the foothills of the Gabilan range, W. P. Blake^^^. This mine contained | | Chinchilla, Darío, Ortega, Lorena, Piña, Rubén, Merinero, Raúl, Moncada, Daniel, Bodnar, Robert J., Quesada, Cecilio, Valverde, Antonio, Lunar, Rosario (2016) The Patricia Zn–Pb–Ag epithermal ore deposit: An uncommon type of mineralization in northeastern Chile. Ore Geology Reviews, 73. 104-126 doi:10.1016/j.oregeorev.2015.10.026 | Journal (article/letter/editorial) | minerals (freibergite, polybasite, stephanite, pyrargyrite, freieslebenite and acanthite) and (3) post-ore...disappears. CE P exploration potential of the region, where the late Eocene-early Oligocene metallogenic...2005). The apparent termination of the belt in this region is a result of concealment NU beneath Miocene...porphyry copper mines and prospects in the nearby region occur either related to the Paleocene-early Eocene...carried out by Herencia Resources Plc over historical mine workings that date back to the nineteenth century | | | Report (issue) | ______________________________________________ Valley alluvium______________________________________...________________________________________ ' Ely Valley mine_ ___________________.____________________...________________________________________ No. 10 mine.--_._____-___"_________________________________...__________________________________ Poorman mine ____________________________________________________..._______________________________ Wide Awake mine.____________________________________________________ | | | Journal (issue) | Cairncross & C. R. Anhaeusser Minerals of the Linwood mine, Scott County, Iowa ............. 231 by P. L. Garvin...in the still open underground workings of the Gem mine. He encountered an open pocket containing well formed...conglomerate. The stories of these early discoveries and mine developments, some of which were conducted under...,,.•• MINE r •• •• ' ··, . TRANSVAAL e e e \ . ...Province. The Eersteling mine was the first deposit to be seriously exploited in the region. of native gold | | Groepper, H., Calvo, M., Crespo, H., Bisso, C. R., Cuadra, W. A, Dunkerley, P. M., Aguirre, E. (1991) The epithermal gold-silver deposit of Choquelimpie, northern Chile. Economic Geology, 86 (6) 1206-1221 doi:10.2113/gsecongeo.86.6.1206 | Journal (article/letter/editorial) | centralChile. Introduction in Parinacotaprovince, in Region I of Chile, some 115 km due eastof the regionalcapital...located of the border with Bolivia (Fig. 1). The mine and * Present address: 4 Hazlewood Drive, Bourne...various projects were plant wasbuilt alongsidethe mine during 1988. Proplannedto treat the old sulfidicdumpsby...were intermittently mined by the 60 km from the mine at a lower elevation.Total productionby all pre...A third groupof stratovolcanoes probablyformed region. during the late Pliocenebut wasreactivatedduring | | | Journal (article/letter/editorial) | discussionof copper,lead, zinc and silver depositsin this region. The principalgeologicprovincesare re-definedand...complexenterprise,includingthe Goyllarisquizga coal mine, concentrating, smelting,and refiningfacilitiesand... Subsid- iary basin in Jatunhuasi-Cercapuquio region. Very variable, 0-3,000 m. Generally thicker on...Tertiary and Quaternary physiographichistory of the region has had a strong influenceon oxidation andsupergeneenrichment:...eralizedin Cobrizais the only limestonein that region. Small lead-zinc depositsare scatteredalong the | | Tauson, V.L., Kravtsova, R.G., Smagunov, N.V., Spiridonov, A.M., Grebenshchikova, V.I., Budyak, A.E. (2014) Structurally and superficially bound gold in pyrite from deposits of different genetic types. Russian Geology and Geophysics, 55 (2) 273-289 doi:10.1016/j.rgg.2014.01.011 | Journal (article/letter/editorial) | metamorphosed Zn–Pb–Cu–Ag rocks of the Bathurst Mine (Canada). Considerably higher Au contents of the...sulfidized boundaries of dike breccias at the Mule Canyon Mine (Lander County, Nevada) were pointed out by D.A...(Dukat, Dal’nee, Oroch, Natalka, and Degdekan), Amur region (Pokrovskoe), East Siberia (Sukhoi Log), eastern...minerals are acanthite, electrum, proustite, pyrargyrite, native Au and Ag, polybasite, and stromeyerite...acanthite, native Ag, kustelite, proustite, pyrargyrite, gray copper ores, and freibergite. Gold occurs | | | Report (issue) | deposit. Table 4, part B, gives an alphabetic list of mine and properties followed by the deposit name. CHARACTERISTICS...of deposits used in Table 1 may represent a major mine, district name, or local town name or other prominent... Pyrrhotite appears to be been reported in just a single mine in the East Belt of the Sierra Nevada foothills...(Malcolm, 1912), galena was widely considered by mine operators to be correlated with better gold grades...was described in a carbonate quartz veinlet in one mine in the Mother Lode system (Knopf, 1929). Method |
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Fortuna Mine, Gelbach valley, Oberwolfach, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany