 | 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 |  | Ströbele, Florian, Staude, Sebastian, Pfaff, Katharina, Premo, Wayne R., Hildebrandt, Ludwig H., Baumann, Albrecht, Pernicka, Ernst, Markl, Gregor (2012) Pb isotope constraints on fluid flow and mineralization processes in SW Germany. Neues Jahrbuch für Mineralogie - Abhandlungen Journal of Mineralogy and Geochemistry, 189 (3) 287-309 doi:10.1127/0077-7757/2012/0225 | Journal (article/letter/editorial) | | fluid flow and mineralization processes in SW Germany Florian Ströbele, Sebastian Staude, Katharina Pfaff...With 6 figures and 3 tables Abstract. Southwest Germany hosts a variety of Permian to Cenozoic hydrothermal... Veins are most abundant, but also Mississippi-Valley type and other stratabound mineralizations are...hydrothermal deposit 1. Introduction In southwest Germany, more than 1000 hydrothermal mineralizations of... and carbonate-hosted, stratabound Mississippi Valley-type (MVT) deposits (HILDEBRANDT 1998, PFAFF et |  | Scharrer, Manuel, Sandritter, Katharina, Walter, Benjamin F., Neumann, Udo, Markl, Gregor (2020) Formation of native arsenic in hydrothermal base metal deposits and related supergene U6+ enrichment: The Michael vein near Lahr, SW Germany. American Mineralogist, 105 (5). 727-744 doi:10.2138/am-2020-7062 | Journal (article/letter/editorial) | | U6+ enrichment: The Michael vein near Lahr, SW Germany Manuel Scharrer1,*, Katharina Sandritter1, Benjamin...of Tuebingen, Wilhelmstr. 56, D-72074 Tübingen, Germany 1 Abstract Native arsenic is an occasional ore... Its rarity (compared to pyrite, arsenopyrite, galena, sphalerite, or chalcopyrite, for example) is surprising...near Lahr, Schwarzwald, southwest (SW) Germany. Here, galena, sphalerite, and native arsenic are the...minerals. The two important ore stages comprise (1) galena-barite and (2) sphalerite-native arsenicquartz |  | | Journal (article/letter/editorial) | | oxidation of argentiferous galena: A case study from the Schwarzwald, SW Germany Maximilian F. Keim, Rafael...8 figures and 4 tables Abstract: Argentiferous galena is unstable under surface conditions and secondary...extent silver released from weathered hydrothermal galena is retained in the the supergene lead phases cerussite...weathering process. Therefore, trace element analyses of galena and supergene lead phases from various supergene...supergene ore deposits of the Schwarzwald, SW-Germany, were performed by laser ablation-inductively coupled |  | | 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 (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,andsilverminerals...lesseracanthite,proustitc,miargyrite,polybasite, tetrahedrite,galena,sphalerite,and chalcopyrite.Individualveinsexh...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 |  | 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...up to the 1930s ŽCaminos and Cucchi, 1990.. The region is dominated by pelitic to psammitic gneiss, migmatite...ŽPuigari– Monserrat e . Gold, pyrite, sphalerite, galena, chalcopyrite, arsenopyrite, rare pyrrhotite Sericitization |  | | 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 |  | | 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................................................ |  | | Report (issue) | | ......................... Silver Clip or Blaine mine...................................................Saxon mine................................ .................................... Princess mine............................................... Red Cloud mine.......................................... ............................................ Black Rock mine ......................................................................................... Cibola region............................................... |  | | 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 |  | | Report (volume) | | years was evidently about the same. Silver-bearing galena concentrate is the chief product. Sphalerite either...transportation. The sedimentary rock units of the region are Jurassic (?) marine quartzites and phyllites...most common sulflde minerals in the deposits are galena, sphalerite, and pyrite; chalcopyrite, tetrahedrite-teunantite...stibuite may also be present. Silver occurs in galena, in the copper sulfides, or as free sulfides. The...meter wide. Ore shoots containing argentiferous galena occupy only a fraction of such structures, have |  | 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 |  | | Journal (article/letter/editorial) | | MISSISSIPPI WILLIAM GENERAL No. 3 OF SULPHIDE • ORES VALLEY. H.' EMMONS. STATEMENT. BETWEENthe AppalachianMountainson...anticlinesbelow shales. The depositsof the Ozark region are arranged in a great systemof zoneswhich showsa...supportsthe hypothesisthat the ores of the Ozark region are connectedwith igneousrocks--that the depositsare...within the area. The depositsof the upperMississippi valley in Wisconsin and Illinois also show zones. A copper-bearing...theory to SULPHIDE ORES OF THE MISSISSIPPI VALLEY. 223 accountfor the Wisconsinzinc deposits,but |  | | Journal (issue) | | van dit mineraal gekend . De Mammoth-St .Anthony Mine, Mammoth District, Pinal County, Arizona, leverd...vanadiumhaltige Bleiminerale vom Schauinsland bei Freiburg und Umgebung (D) 183-192 Neufunde von Mineralien...M i Mineralien von Beu ra und Villadossola (NO} Mine allen 27-31 Flammenachat aus Brasilien 32-37 Achatfi...at the Caledonia Mine, Ontonagon County , Michigan, USA 116-118 Galena, Milliken Mine, Reynolds County....97 118-9 Recent developrnents at the W . Wise Mine 115 Tucson show 2-3114 Some thoughts on labeling |  | | Report (issue) | | aa, 16H7 . t Oretlt. ft /Mm# »f.i Falu copper mine has been continuously mined for more than 900 years...gahnite and långbanite were first recognized in this region and the word skarn (originally having a pejorative...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 |  | | 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 |  | | 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...cerussite xls to 1 cm covering a 5 x 6 cm area af galena matrix. a)4x5cm-$10 b)7x10x4,cm-$20 719) CHALCOALUMITE...CHRYSOCOLLA pseudomorph after SELENITE - Magma-Open Pit Mine, San Manuel, Arizona; Showy bright sky-blue chrysocolla...- $40 725) FLUORITE with DOLOMITE and GALENA • Huanzala Mine, Peru; Neat, attractive specimens! Two |  | | 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 |  | O'Neil, J. R., Silberman, M. L., Fabbi, B. P., Chesterman, C. W. (1973) Stable isotope and chemical relations during mineralization in the Bodie mining district, Mono County, California. Economic Geology, 68 (6) 765-784 doi:10.2113/gsecongeo.68.6.765 | Journal (article/letter/editorial) | | irregular,faulted, dump of the Red Cloud mine contained galena, north-trendinganticlineintrudedby severalplugs...Almostall of the quartzveinssampled from dumpsor mine workingsin this study contain at leastsomeadulariathat...intermediatecalc-alkalinevolcanic rocksin the westernborder region of the Basin and Rangeprovince. Metasomatic Effects...theserocksproceeded with increasing degrees from mine workingsand dumpson StandardHill of recrystallization...adjacent to quartz vein (Table 2), Standard Mine, Fortuna vein (20')# (8') (12') (18-) (6(23') (9") |  | | 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) | | is intidominant feature of the Precordilleran region is mately associated with, and truncated by, the...fault system with the segment in the Antofagasta region is known as Falla Oeste has provided an influence...porphyry copper deposit within the Antofagasta region of northern Chile in relation to the Domeyko fault...places a non-mineralized Eocene granodioritic (Fortuna) complex in contact with the highly altered and...FIG. 3. Simplified distribution of units in the Fortuna and Chuquicamata intrusive complexes. Local Geology |  | | Journal (article/letter/editorial) | | elevationsandare the youngestTertiary rocksin the region. Similarcompositiondikesare alsoknownin undergroundmine...openfolds metal sulfide mineralization in the Fortuna ore zone to tight recumbentchevronfolds (e.g.,...sulfideorebodies.Heavy sulfideorebodiesinclude the Fortuna and Cueva Santa mantosand chimneys;light sulfide...Cerro Proafio(discussed below) is the sphalerite,galena,chalcedony,and quartz and is associatedwith weak...calcite,cpy = chalcopyrite,fluor = fluorite,gal = galena,ill = illite, ill-chl = illite-chlorite, ill-mont |  | | Journal (article/letter/editorial) | | continental fanerozoica homogeneizada, aunque en La Fortuna (distrito Las Aguadas), La Aspereza (distrito San...although a mantle component has been proved in La Fortuna (Las Aguadas district), La Aspereza (San Martín...Ma y 292 ± 1 Ma, a partir de dataciones Pb/Pb en galena (Ulacco 1997) y 40Ar/39Ar y K/Ar en mica blanca...6 y 3,6 ‰ (gn, La Fortuna y Nelly30). 208 Pb/ 204Pb = 37,8 y 38,1 (gn, La Fortuna y Nelly30) 207 Pb/...= 15,5 y 15,6 (gn, La Fortuna y Nelly30) 206 Pb/ 204Pb = 18,1 (gn, La Fortuna y Nelly30). 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