 | 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) | | no stolzite equivalent of wulfenite’s Red Cloud mine, yet attractive, somewhat wulfenite-like stolzite...from Chillagoe, Queensland, Australia; the Fat Jack mine, Arizona; and Santa Rosa, Argentina. Stolzite is...dimorphous with raspite and is a member of the scheelite group. Stolzite is of rather restricted geologic...anglesite, raspite, pyromorphite, mimetite, and scheelite. Relatively uninspiring specimens of stolzite... These include the well-known Loudville (Mahan) mine at Easthampton, Hampshire County, Massachusetts |  | | 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 |  | 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) | | increasing interest, however, is the potential of the region for precious and base metal mineralization. A large... yet the region remains relatively underexplored. The metallogenic diversity of the region is further...reassess the metallogeny of this historic mining region. 2. Geological setting and tectono-magmatic evolution...Ag–Pb–Zn veins Wolframite–quartz veins Disseminated scheelite in calcsilicates and other hosts Pegmatite-related...up to the 1930s ŽCaminos and Cucchi, 1990.. The region is dominated by pelitic to psammitic gneiss, migmatite |  | | 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 |  | | Report (issue) | | aa, 16H7 . t Oretlt. ft /Mm# »f.i Falu copper mine has been continuously mined for more than 900 years... Minerals like scheelite, gahnite and långbanite were first recognized in this region and the word skarn...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 |  | | 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 |  | Izaguirre, Aldo, Iriondo, Alexander, Kunk, Michael J., McAleer, Ryan J., Atkinson, William W., Martínez-Torres, Luis M. (2017) Tectonic Framework for Late Cretaceous to Eocene Quartz-Gold Vein Mineralization from the Caborca Orogenic Gold Belt in Northwestern Mexico*. Economic Geology, 112 (6) 1509-1529 doi:10.5382/econgeo.2017.4519 | Journal (article/letter/editorial) | | started at ~70 Ma and affected the Cordillera forearc region in northwestern Mexico as a response to the flat...deposits would have formed in the amagmatic forearc region, whereas the porphyries would have been generated...generated farther to the east in the magmatic arc region. In this mineralization model, we interpret that the...denudation (veins formed at depths of ~4–6 km) than the region of Cu-Mo porphyries that formed at shallower crustal...preferentially affected the previously overthickened forearc region. Perhaps due to isostatic rebound, at least 4 to |  | 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...source (for zircon analyses only) DTR64—Mina Fortuna 1 tit 0.0836 2 tit 0.0810 3 tit 0.1323 4 tit 0...zir 0.0013 6 zir 0.0011 7 zir 0.0009 DTR184—Mina Fortuna 8 tit 0.0654 9 tit 0.1097 10 tit 0.0675 11 zir |  | | Report (volume) | | ------------- ----------------8. Payson (Green Valley) district ------------------------------------9...---------------------------------------------82. Fortuna district -----------------------------------------------83... Pima County. Placer mining was active in that region from 1774 to 1849, when the discovery of gold in...attempts were made in various parts of the State to mine placer gravels by drywashing machines, but it was...Cabezas Mountains between San Simon Valley and Sulphur Spring Valley, Tps. 13-15 S., Rs. 26 and 27 E. Topographic |  | 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) | | between ~70 and 80 Ma for intrusive rocks in the region of Concepción del Oro, Zacatecas (Sosa-Valdés et...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...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 |  | | Journal (article/letter/editorial) | | oxidation state. This study is based on the Los Picos-Fortuna/Pajonal-El Abra igneous complex, a suite of spatially...of the correlative Los Picos-Fortuna intrusive suite. The Los Picos-Fortuna/ Pajonal-El Abra complex was...porphyries and now mantle the greater part of the region (Boric et al. 1990; Maksaev et al. 1994; Maksaev...Dilles et al. 1997; McInnes et al. 1999). Los Picos-Fortuna and Pajonal-El Abra igneous suites Fig. 1 Map...showing the approximate outline of the Los Picos-Fortuna and Pajonal-El Abra igneous suites, the Chuquicamata |  | | 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 |  | | Book | | Boring — German (West) — Oberpfalz Region. 2. Earth — pfalz Region. I. Emmermann, R. (Rolf), 1940— . Il...the deep continental crust) Crust. 3. Geology - Germany (West) — OberWohlenberg, Jiirgen, 1933- . III....Springer-Verlag Berlin Heidelberg 1989 Printed in Germany The use of registered names, trademarks, etc....Deep Drilling Program of the Federal Republic of Germany (KTB) would be drilled in the Oberpfalz area...the most ambitious project in the geosciences in Germany. From the beginning, the "Senatskommission fiir |  | | 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 |  | | Journal (article/letter/editorial) | | Universität, Theresienstrasse 41, D-80333 München, Germany 2 Bayerisches Geoinstitut Universität Bayreuth...Bayreuth, Universitätsstrasse 30, D-95447 Bayreuth, Germany 3 School of GeoSciences, The University of Edinburgh...reported clinopyroxenes from the Pb-Zn Nakatatsu skarn mine, coexisting with ore, which contained 1000–10 000...Red-A-ven Mine, Cornwall, Great Britain fass2 Monzoni, Italy bb1a Breitenbrunn, Grube Fortuna, Erzgebirge...Erzgebirge, Germany bb1b Breitenbrunn, Grube Fortuna, Erzgebirge, Germany bb4 Breitenbrunn, Grube St. Christoph |  | 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/...study, focused on the new Chuquicamata Underground mine, was to evaluate the trace element composition of...alteration; vectoring; Chuquicamata Underground mine; Chile 1. Introduction Porphyry copper deposits...Chuquicamata Underground mine, which officially started operations in 2019. This new mine development, which |  | | Journal (article/letter/editorial) | | into the mainland of Mexico. PREVIOUS WORK IN THE REGION There are only two published accounts of the geology...regarded as a stratigraphic or petrographic study. The region mapped included a considerable area to the northeast...Petrographic Provinces DESCRIPTION OF THE AREA The region contains steep ranges separated by wide valleys...valleys are well covered by cactus and low trees. Valley margins are, in general, pediments rather than...and within the central valley of Isla Tiburón. On the other hand, the broad valley east of Puerto Libertad |  | | Journal (article/letter/editorial) | | century-long history in the Alps. Dozens of historic mine sites and hundreds of showings in Austria (e.g....1987; Punzengruber et al. 1977). Since 2011 this region attained renewed interest from an exploration point...the main gangue minerals. The upper mine levels and the southern mine districts are reported to be enriched...overlie the ore veins in the today inaccessible Fortuna Unterbau gallery (Jarlowsky 1951). This observation...±ilmenite. Thin veinlets and disseminations of scheelite accompanied by tourmaline and hosted in the amphibolites |  | | Book | | Unraveling The Legends & The History Of The Lost Mine, Lost City, And The Lost Mission By Robert Edward......... 39 From La Ventaña, You Can See The Lost Mine .......................................................... 81 The Earliest Sources Of The Spanish Mine Legends ..........................................Did Escalante Get Implicated With The Iron Door Mine?................................ 117 The Lost Escalante......... 119 Mucho Escalantes: Who Owned The Lost Mine? .............................................. |  | | Book (edition) | | Linopolis, Brazil, H Page 13: Gold, 35 mm.Eagle's est Mine, California, G Publi!>hed by Grdllit.u.o. Stefanikova43...abbreviated, e.g. canton (Switzerland), vilayet (Turkey), region (Chile), kray and oblast (Russia). The country...by Mobutu, and is now the Katanga administrative region again. The former Kivu province is now divided...United States or of the Upper Silesian historical region in Poland, where the importance of ore-bearing...Rice, Dolores co., both Colorado, at the Questa mine, Taos co., New 1994. Abernathyite K2[(UOJ 2l(AsO_J2]•6HzO |  | | 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 |  | | Journal (issue) | | Fotogalerie Grube Clara: Das Mineralienmuseum Oberwolfach informiert Bereits 1890 erstmals beschrieben...zugrunde liegende Material stammte aus der Rajah Mine (auch: Big Chief No. 2; DulIan claim) im Uravan...der Uran-Lagerstätte Dzhentuar, Auminzatau-Berge, Region Kyzylkum, Usbekistan. Stark strahlende Probe {12...mm-Größe verwachsen, wurden in der Grube Clara, Oberwolfach im Schwarzwald in der Stinkspat-Paragenese gefunden...Basin, Yavapai Co./Arizona, oder aus dem Monument Valley Mining District, S an Juan Co. und dem Thompsons | | | 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 |  | Litherland, M., Annells, R. N., Appleton, J. D., Berrangé, J. P., Bloomfield, K., Burton, C. C. J., Darbyshire, D. P. F., Fletcher, C. J. N., Hawkins, M. P., Klinck, B. A., Llanos, A., Mitchell, W. I., O'Connor, E. A., Pitfield, P. E. J., Power, G., Webb, B. C. (1986) The geology and mineral resources of the Bolivian Precambrian shield. Overseas Memoir 9. British Geological Survey | Report (volume) | | Division B gneisses 26 Division A gneisses 28 Rio Fortuna gneisses 29 Migmatisation and feldspathisation...granulite/gneiss/schist transition of the Rio Fortuna-Las Rengas sector 30 Compositional plots of the...geomorphology 103 62 Neotectonics of the Mercedes Valley 104 63 Geology and auriferous potential of Serranfa...Serranfa San Sin16n 109 28 Gold values in the Vein-mine Belt, Serranfa San Simon 109 29 Chemical composition...overall development of this virtually unn1apped region by delimiting areas favourable for the location |
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