 | | Journal (article/letter/editorial) | | Nickeloan pyrite from Prangenhaus quarry, Niederberg area, Germany— A short communication Udo Harms...Harms Luxemburger Allee 47, D-45481 Mülheim/Ruhr, Germany Received 20 September 2008; accepted 19 May 2009...two nickeloan pyrite samples from the Prangenhaus quarry, Wülfrath, is presented. Sample PRH 5: main zone...chemistry of the ore forming fluids in the Prangenhaus quarry. The presence of nickeloan pyrite indicates formation...Mineral chemistry; Postvariscan ores; Prangenhaus quarry; Niederberg area 1. Introduction Nickeloan pyrite |  | | Journal (article/letter/editorial) | | Sammlungen Brennhausgasse 14 09599 Freiberg, Germany andreas.massanek@geosamm.tu-freiberg.de Downloaded...Schloss Freudenstein Schlossplatz 4 09599 Freiberg, Germany christina.seifert@geosamm.tu-freiberg.de Figure...New Permanent Exhibition in Freiberg, Saxony, Germany 212 ROCKS & MINERALS N ative silver, in bizarre...mineral localities in just Germany. Figure 3 (above). Krügerhaus in Freiberg, Germany. Detlev Müller photo...Freiberg, Saxony, Germany. Jeff Scovil photo. A Mineralogical Journey through Germany The central part |  | | Journal (article/letter/editorial) | | Luxemburger Allee 47, D-45481 Mülheim, Ruhr, Germany a r t i c l e in fo abstract Article history:...Heiligenhaus. Strata-bound mineralization: 4= Rohdenhaus quarry, Wülfrath. The distance between sampling sites...mineralization was discovered in the Rhodenhaus quarry (4 in Fig. 1; limestone), Wülfrath (Gauss-Krüger...Niederberg area between the rivers Ruhr in the north and Wupper in the south is part of the northwestern...northwestern margin of the Rhenish Massif east of the Rhine valley. The Rhenish Massif forms a fold-and-thrust |  | | Journal (article/letter/editorial) | | western part of the Rheinisches Schiefergebirge, Germany L. Krahn ~, A. Baumann 2 i Geologisches Landesamt...Nordrhein-Westfalen, De-Greiff-Strasse 195, D-47803 Krefeld, Germany 2Zentrallaboratorium fiir Geochronologie, Institut...Wilhelms-Universitiit, Corrensstrasse 24, D-48149 Mfinster, Germany Received: 2 February 1994/Accepted: 7 August 1995...of the river Rhine. It comprises the Eifel and Hunsriick mountains and the Eifel North-South Zone. An...predominantly shallow marine environment (Meyer and Stets 1980; Meyer 1986). In the south, pelitic sedimentary |  | | Journal (article/letter/editorial) | | post-Variscan lead±zinc mineralization, Rhenish Massif, Germany: evidence for sul®de precipitation via thermochemical...post-Variscan lead±zinc deposits in the Rhenish Massif, Germany. Based on the analysis of 200 samples, Variscan...hydrocarbons in sul®de Editorial handling: F. M. Meyer Dedicated to GuÈnther Friedrich on the occasion...und Umweltanalytik, RWTH Aachen, SuÈsterfeldstraûe 22, 52072 Aachen, Germany e-mail: jochum@rwth-aachen...speci®c role of hydrocarbons in ore deposits of Germany has scarcely been investigated (with the exception |  | Epp, T., Walter, B. F., Scharrer, M., Lehmann, G., Henze, K., Heimgärtner, C., Bach, W., Markl, G. (2019) Quartz veins with associated Sb-Pb-Ag±Au mineralization in the Schwarzwald, SW Germany: a record of metamorphic cooling, tectonic rifting, and element remobilization processes in the Variscan belt. Mineralium Deposita, 54 (2) 281-306 doi:10.1007/s00126-018-0855-8 | Journal (article/letter/editorial) | | Sb-Pb-Ag±Au mineralization in the Schwarzwald, SW Germany: a record of metamorphic cooling, tectonic rifting...Accepted: 1 November 2018 # Springer-Verlag GmbH Germany, part of Springer Nature 2018 Abstract A combination...Sb-Pb-Ag±Au-bearing quartz veins in the Schwarzwald (SW Germany) with isotopic, fluid inclusion, and geochemical...400 °C. Invisible gold in arsenopyrite, pyrite, marcasite, and stibnite was remobilized and locally precipitated...Jurassic-Cretaceous. The formation of the Upper Rhine Graben during the Tertiary reactivated especially |  | | Journal (article/letter/editorial) | | Mineralogie und Lagerstattenlehre,RWTH Aachen, Wiillnerstr. 2,52056 Aachen, Germany, E-mail:kolb@rwth-aachen.de...spar- calculations (cf. Touret, 2001; Kolb and Meyer, 2002). (5) Pal and Mishra (2003) discuss the mechanisms...by different mechanisms. arsenopyrite, pyrite, marcasite, pyrrhotite, and gold, The ‘gash’veins in the...and Mishra, 2003) formed relatively late Kolb and Meyer, 2002). The absence of aqueous-carbonic in the tectonic...Ajjanahalli (Diplomarbeit): Unpub. M.Sc. thesis, RWTH Aachen, 205p. Hirth, G. and Tullis, J. (1994) The brittle-plastic |  | | Journal (article/letter/editorial) | | Franz Michael Meyer Institute of Applied Mineralogy and Economic Geology, RWTH Aachen University, Wüllnerstrasse...Wüllnerstrasse 2, 52056 Aachen, Germany; m.meyer@rwth-aachen.de Abstract: This review compares genetic...models for the source of ore fluids Citation: Meyer, F.M. Case Histories of Orogenic Gold Deposits....Institute of Mineralogy and Economic Geology, RWTH Aachen University. A large body of research is documented...Ajjanahalli Chitradurga boundary shear zone Renco North Limpopo thrust zone (high-T mylonite zone) Hutti |  | | Book | | at Berchtesgaden (Bavaria), Federal Republic of Germany, in 1981. The various contributions represent a...mineralizations in the Mediterranean periphery of North Africa in this volume - particularly since they...Permian Mineralizations in the Cantabrian Mountains (North-West Spain) (With 6 Figures) .....................Alpidic Metallogenetic Epoch in Central Europe North of the Alps (With 4 Figures) .....................Mineralization in the North-Eastern Sauerland (Rheinisches Schiefergebirge, Western Germany) (With 2 Figures) |  | Walter, Benjamin F., Gerdes, Axel, Kleinhanns, Ilka C., Dunkl, István, von Eynatten, Hilmar, Kreissl, Stefan, Markl, Gregor (2018) The connection between hydrothermal fluids, mineralization, tectonics and magmatism in a continental rift setting: Fluorite Sm-Nd and hematite and carbonates U-Pb geochronology from the Rhinegraben in SW Germany. Geochimica et Cosmochimica Acta, 240. 11-42 doi:10.1016/j.gca.2018.08.012 | Journal (article/letter/editorial) | | U-Pb geochronology from the Rhinegraben in SW Germany Benjamin F. Walter, Axel Gerdes, Ilka C. Kleinhanns...U-Pb geochronology from the Rhinegraben in SW Germany, Geochimica et Cosmochimica Acta (2018), doi: https://doi...U-Pb geochronology from the Rhinegraben in SW Germany. Benjamin F. Walter*1, Axel Gerdes2, Ilka C. Kleinhanns1...Geoscience, Wilhelmstraße 56, 72074 Tübingen, Germany 2 Goethe University Frankfurt, Insitute of Geosciences...Altenhoeferallee 1, D-60438 Frankfurt am Main, Germany 3 University of Göttingen, Geoscience Center, |  | | Journal (article/letter/editorial) | | populations characterized by pyrite (-~8.34 permil) and marcasite (--1.05 permil) and with associated a/unite displaying...We suggest that a/unite, barite, and possibly marcasite are of supergene origin and that the sulfate-sulfur...found at depth at Butte, Montana (SALES and MEYER 1948; MEYER 1965), a hypogene origin is dear. Similarly...of minerals in the Tolfa area has consisted of quarry excavations for alunite and kaolin within the district...dominant sulfide. Minor to trace quantities of marcasite, cinnabar, stibnite, chalcopyrite, tennantite |  | | Journal (article/letter/editorial) | | Pb-Cu-Zn deposits in an epicontinental basin, SE Germany Harald G. Dill a,⁎, Zsolt A. Berner b a b Bundesanstalt...Rohstoffe, P.O. Box 510163, D-30631 Hannover, Germany Karlsruhe Institut für Technologie, Mineralogie...Geochemie, Adenauer Ring 20b, D-76131 Karlsruhe, Germany a r t i c l e i n f o Article history: Received...deposits Intraformational recycling Mesozoic SE Germany a b s t r a c t The sandstone-hosted Pb-Zn deposits...Triassic series of the epicontinental basin in SE Germany, were targeted upon in a literature review by Bjørlykke |  | | Journal (article/letter/editorial) | | Goldfeld, goldfieldite occurs together with pyrite, marcasite, sphalerite, wurzite, tennantite, famatinite,...found (Meyer et al., 1968); colusite from Butte, which has been considered to contain Te (Meyer et al...(Baquiran, 1975; Sillitoe, 1979; Knittel, 1982; Meyer et al., 1968). The tellurian tennatite from the...the quartz monzonite of the Boulder Batholith (Meyer et al., 1968). Goldfieldite has previously not been...fiir Mineralogie und Lagerstfittenlehre der RWTH Aachen, A. Wiechowski and G. Thiele for help with the |  | Kolb, J., Hellmann, A., Rogers, A., Sindern, S., Vennemann, T., Bottcher, M. E., Meyer, F. M. (2004) The Role of a Transcrustal Shear Zone in Orogenic Gold Mineralization at the Ajjanahalli Mine, Dharwar Craton, South India. Economic Geology, 99 (4) 743-759 doi:10.2113/gsecongeo.99.4.743 | Journal (article/letter/editorial) | | Economic Geology, RWTH Aachen University, Wuellnerstrasse 2, 52056 Aachen, Germany SVEN SINDERN, Institute...Economic Geology, RWTH Aachen University, Wuellnerstrasse 2, 52056 Aachen, Germany, and Institute for Mineralogy...University, Corrensstrasse 24, 48149 Münster, Germany TORSTEN VENNEMANN, Institute for Mineralogy and...Bremen, Germany AND F. MICHAEL MEYER Institute for Mineralogy and Economic Geology, RWTH Aachen University...University, Wuellnerstrasse 2, 52056 Aachen, Germany Abstract The Ajjanahalli gold mine is spatially associated |  | | Journal (article/letter/editorial) | | from a 260 °C section at the KTB drilling site, Germany AGNES KONTNY,1,* HELGA DE WALL,1 THOMAS G. SHARP...Institut, Neuenheimer Feld 234, D-69118 Heidelberg, Germany 2 Department of Geology, Arizona State University...1416 KONTNY ET AL.: PYRRHOTITE AT THE KTB SITE, GERMANY Li and Franzen 1996, and references therein)....Institute of Mineralogy and Economic Geology in Aachen and with a Cameca SX51 at the Mineralogical Institute... 1418 KONTNY ET AL.: PYRRHOTITE AT THE KTB SITE, GERMANY at temperatures up to 700 °C. Analyses of the |  | | Journal (article/letter/editorial) | | CATALOG 30< — Largest stock of fine fossils in North America. Equipment, Supplies, Books. Geological...success! Write immediately. H. Kerres, 51 Aachen, Siegelallee 5, Germany. FOSSILS: LATEST CATALOG 250 — Hundreds...Fluorescents, U-V Lights. HORN MINERALS, 42C Mohawk Drive, North Babylon, New York. ROCKS AND MINERALS GEMSTONES...Prices of individual stones on request. L. A . Meyer, 121 Blue Bonnet Dr., Findlay, Ohio. change. Rate...ounce; silver xls., micromounts, Nevada, 500 each; marcasite nodules, N . Y., 5 0 0 each; f l . and triboluminescent |  | | Journal (issue) | | ....39 by R. C. Erd, G. K. Czamanske and C. E. Meyer Ferroaxinite from Bridgeville, New Jersey.........that she has recently purchased from a dealer in Germany a long-hidden stash of the famous TSUMEB! issue...facing page, the Record is proud to be the principal North American distributor for a spectacular new book...40502 he Hoosier Stone and Concrete Corporation quarry near Salem, Indiana, has yielded extremely well-formed...dolomite, sphalerite, gypsum, quartz, barite, marcasite and pyrite. T HISTORY Quarrying of limestone |  | | Journal (volume) | | Geology of Romania, Technical Univ. Cluj-Napoca – North Center Baia Mare Editor in Chief: Conf. Dr. Sorin...Cluj-Napoca – North Center Baia Mare, Floarea Damian, Technical Univ. Cluj-Napoca – North Center Baia Mare...sulfidebearing mine tailings (mine district Freiberg, Germany). Applied Geochemistry, 22, 24862508. Hammarstrom...elements in hardpan-cemented cassiterite tailings, north Queensland, Australia. Environmental Geology, 50...sediments geochemistry, in the arid Elqui River Basin, North-Central Chile. Journal of Geochemical Exploration |  | | Journal (article/letter/editorial) | | mineralized wood is described from world-wide localities; North American occurrences are emphasized simply because...Isle of Wight, England Kansas, USA Geiseltal, Germany British Columbia, Canada Ellesmere Island Arctic...Italy California, USA Weimar, Germany California, USA Northern Iceland Germany Hungary Washington, USA [5]...associated with petrified wood are pyrite and marcasite (FeS2 ), siderite (FeCO3 ), hematite (Fe2 O3 )...Pyrite Pyrite Pyrite Pyrite Pyrite Pyrite Pyrite Marcasite Pyrite Pyrite Pyrite & Hematite Iron oxide Iron |  | | Journal (issue) | | Rupnica near Voćin (Figure 1). Rupnica is an old quarry with well-exposed phenomenon of columnar jointing...(Figure 2 left). Rupnica (together with Trešnjevica Quarry, where a magmatic vein several hundred metres in...Papuk. The second protected geological site is Quarry Fantazija (Figure 2 right) near Rovinj (Figure...good practice is Vinkuran (Figure 1), the oldest quarry in Istria (Figure 3 left), known as “Cava Romana”...heritage Figure 3: (left) Vinkuran, the oldest quarry in Istria; (right) the Arena in Pula. sequence |  | Falconer, D.M., Craw, D., Youngson, J.H., Faure, K. (2006) Gold and sulphide minerals in Tertiary quartz pebble conglomerate gold placers, Southland, New Zealand. Ore Geology Reviews, 28 (4) 525-545 doi:10.1016/j.oregeorev.2005.03.009 | Journal (article/letter/editorial) | | Schist, whereas the bulk of the sulphide suite is marcasite of variably transported diagenetic origin, derived...diagenetic sulphides include framboidal and anhedral marcasite, and framboidal and euhedral pyrite. Sulphur isotope...from the Otago Schist to the north. Both framboidal and anhedral marcasite have lower values (b 20x) reflecting...for the precursor hydrogen sulphide. Anhedral marcasite contains elevated concentrations of Ni, Co, As...in the Witwatersrand. In addition, Southland marcasite textures resemble the rounded and banded pyrite |  | | Journal (article/letter/editorial) | | Batholith. These volcanic rocks are overlain to the north of Glen Eden by the Dundee Rhyodacite (246–249 Ma;...low temperature mineralization of pyrite and marcasite and the supergene alteration of sulfides continued...samples shows microbrecciation with pyrite ± marcasite filled in the resultant fractures. - hydrothermal...pyrrhotite by pyrite and marcasite (backscattered electron image), (F) botryoidal marcasite accompanying pyrite...reflected light). Py, pyrite; Py, rpyrrhotite; Mcs, marcasite; Apy, arsenopyrite; Mo, molybdenite; Ms, muscovite; |  | | Journal (issue) | | manager Mary Lynn White Minerals of the Fairfax Quarry, Centreville, Virginia................ John C....Bisbee. PYROMORPHITE, Germany, Cumberland. APOPHYLLITE, Germany, Mexico. TOPAZ, Germany, Brazil. COPPER, Michigan...TOURMALINE, Elba, Russia. APATITE, Germany, Japan, Brazil. RHODOCHROSITE, Germany, Hotazel. CHALCOPYRITE, Japan...application of electron diffraction. Dr. Charles Meyer Jr., NASA Manned Spacecraft Center, conducted some...material B did not match with any known structure (Meyer, 1971). The x-rays which pass through the sample |  | | Journal (article/letter/editorial) | | Ask for price list. H. Kerres, 51 Aachen, Siegelallee 5, Germany. Try an Ad in R & M "FOR SALE" FOSSILS...R N M I N E R A L S , 4 2 C M o h a w k Drive, North Babylon, N e w York. A U T U N I T E — B r i g h...Prices of individual stones on request. L. A . Meyer, 121 Blue Bonnet Dr., Findlay, Ohio. MINERALS BUTLERITE...' quartz, f l u o r i t e , selenite, pyrite, marcasite etc. Variety o f c u t t i n g materials. Rough...matrix. Some w i t h blue celestite or micro marcasite xls. Beautiful showy specimens f r o m Niagara |  | | Journal (article/letter/editorial) | | origin than the enclosing rocks, is reported in quarry beds. The most common minerals are sphalerite,...underclay units directly below the coal, especially in north central Illinois. Pyrite suns. Of special interest...described in some of the literature as "marcasite suns" or "marcasite dollars" (figure 5). X-ray diffraction...mineral is more commonly that of pyrite rather than marcasite. The discs range from Vi to 6 inches in diameter...zinc ore was rich in lead, and some pyrite and marcasite were present. Zinc (sphalerite) predominated in |
|
