 | 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) | | related supergene U6+ enrichment: The Michael vein near Lahr, SW Germany Manuel Scharrer1,*, Katharina Sandritter1...of Tuebingen, Wilhelmstr. 56, D-72074 Tübingen, Germany 1 Abstract Native arsenic is an occasional ore...crystallization is the Michael vein near Lahr, Schwarzwald, southwest (SW) Germany. Here, galena, sphalerite...formation. Interestingly, native arsenic in the Michael vein acted as a trap for uranium during supergene...process. Reduced (hypogene) uranium phases like uraninite were never observed. Keywords: Native arsenic |  | | Journal (article/letter/editorial) | | oxidized U deposits† Susanne Göb,1 Jan-Erik Gühring,1 Michael Bau,2 and Gregor Markl1,* Fachbereich Geowissenschaften...Tübingen, Germany 2 Earth and Space Science Program, Jacobs University Bremen, D-28759 Bremen, Germany 1 ...and Wittichen in the Schwarzwald in southwestern Germany have been investigated with regards to their primary...magmatic uraninite I from the host granite of Menzenschwand, primary hydrothermal uraninite II and secondary...LA-ICP-MS together with uraninite II samples from other known Schwarzwald uraninite II occurrences for comparison |  | 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...hydrothermal deposit 1. Introduction In southwest Germany, more than 1000 hydrothermal mineralizations of...Schweizerbart’sche Verlagsbuchhandlung, Stuttgart, Germany DOI: 10.1127/0077-7757/2012/0225 www.schweizerbart... 56 48°20’N CSGC 50 km 73 53-55 45-52 44 Freiburg 151 Waldkirch lithology Cenozoic sediments |  | | Journal (article/letter/editorial) | | just one specimen from Michael Mine in Weiler, near Lahr in the Black Forest, Germany (Walenta and Wimmenauer...The cove is nameless on Ordnance Survey maps and mine plans of the area, but for the purpose of this paper...boundary of the cove. A N E - S W line of sporadic uraninite mineralization with associated supergene products...authors' unpublished data for andersonite from Geevor mine, St Just. Semi-quantitative EDX analysis (Table...noted in a small patch of supergene alteration of uraninite about 3 m NE of the main exposure. This area is |  | | Book (edition) | | Mineralogie, Malteserstr. 74-100, D-12249 Berlin, Germany Earth Science Department / College of Science,...Feld 236, D-69120 Heidelberg, Germany Sodenstr. 19, D-12309 Berlin, Germany Graslitzer Str. 5, D-63791 Karlstein...Karlstein am Main, Germany Ludwig-Maximilians Universität, Department für Geo- und Umweltwissenschaften...Ressourcengeologie, Luisenstr. 37, D80333 München, Germany Bundesanstalt für Geowissenschaften und Rohstoffe...Hannover, Germany Dr. Salah Al-Khirbash Prof. Dr. Rainer Altherr & Dr. rer. nat. Michael Hanel Prof |  | | Report (issue) | | b = 9.36–9.381 X-ray Powder Pattern: Michael mine, Germany. 4.16 (10), 2.34 (10), 3.19 (8b), 3.34 (7)...09 51.64 Total 99.0 99.6 100.00 (1) Michael mine, Germany; by electron microprobe. (2) Loe Warren...of a hydrothermal As–Pb-bearing deposit (Michael mine, Germany); an alteration product of sulfides by sea...cerussite, galena, quartz (Michael mine, Germany); dewindtite, uraninite (Loe Warren zawn, England)....Distribution: From the Michael mine, Weiler, near Lahr, Black Forest, Germany. At Jáchymov (Joachimsthal) |  | | Journal (article/letter/editorial) | | per unit cell]. From Dzhuzumli, Mt. Zirabulaksk region, Bukhara. Named after the alchemist Avieenna (Abu...The correct form has been fairly widely used in Germany (Hintze, Handb. Min., Erg.-Bd., p. 86; H. Strunz...phlogopite deposit of the Medviezhy river, Aldan region, Yakutia. Named from the composition. [M.A. 14-280...43, p. 1112. Vermiculite from the Roan Antelope mine, Northern Rhodesia, contains up to 7% Cu replacing...efflorescence on sandstone on a dump of the Jo Dandy mine, Montrose Co., Colorado. Named after A. M. del Rio |  | | Report (issue) | | 104.171(5)° X-ray Powder Pattern: Black Forest, Germany. 3.57 (10), 8.89 (8), 5.03 (8), 3.38 (7), 2.25...pitticite, arseniosiderite, uraninite. Distribution: From the White King mine, about 22 km northwest of...Lake Co., Oregon, USA. In Germany, in the Black Forest, from the Sophia mine and on the Schmiedestollen...Wittichen; at Reinerzau, near Alpirsbach; in the Michael mine, Weiler, near Lahr; near Schramberg and Triberg...Triberg, Hammereisenbach, Menzenschwand; in the Anton mine, Heubachtal, near Schiltach; and in Bavaria, at Sailauf |  | Göb, S., Wenzel, T., Bau, M., Jacob, D. E., Loges, A., Markl, G. (2011) The redistribution of rare-earth elements in secondary minerals of hydrothermal veins, Schwarzwald, southwestern Germany. The Canadian Mineralogist, 49 (5) 1305-1333 doi:10.3749/canmin.49.5.1305 | Journal (article/letter/editorial) | | HYDROTHERMAL VEINS, SCHWARZWALD, SOUTHWESTERN GERMANY Susanne GÖB and Thomas WENZEL§ Fachbereich Geowissenschaften...Tübingen, Wilhelmstrasse 56, D–72074 Tübingen, Germany Michael BAU Earth & Space Sciences Program, Jacobs...University Bremen, Campus Ring 1, D–28759 Bremen, Germany Dorrit E. JACOB Institut für Geowissenschaften...Universität, J.J. Becher-Weg 21, D–55099 Mainz, Germany Anselm LOGES and Gregor MARKL Fachbereich Geowissenschaften...Tübingen, Wilhelmstrasse 56, D–72074 Tübingen, Germany Abstract Minerals of the rare-earth elements (REE) |  | | Book (edition) | | IV/D.29-20 Baddeleyite IV/D.31-10 IV/D.31-60 Uraninite IV/D.31-60 Thucholite 674 676 678 680 682 684...Affiliation/Address Luzerner Str. 10-12, D-12205 Berlin, Germany – Freie Universität Berlin, FB Geowissenschaften...Mineralogie, Malteserstr. 74-100, D-12249 Berlin, Germany Bundesanstalt für Geowissenschaften und Dr. Frank...Stilleweg 2, D-30655 HanDr. Thomas Oberthür nover, Germany Dr. Thomas Kenkmann Museum für Naturkunde der ... zu Berlin, Invalidenstr. 43, D-10115 Berlin, Germany Prof. Dr. Robert Marschik & Ludwig-Maximilians |  | Plášil, J., Čejka, J., Sejkora, J., Škácha, P., Goliáš, V., Jarka, P., Laufek, F., Jehlička, J., Němec, I., Strnad, L. (2010) Widenmannite, a rare uranyl lead carbonate: occurrence, formation and characterization. Mineralogical Magazine, 74 (1) 97-110 doi:10.1180/minmag.2010.074.1.97 | Journal (article/letter/editorial) | | described as a new mineral from the Michael mine in Weiler in Schwarzwald (Germany) by Walenta (1976). Two occurrences...crystals in sphalerite veinlets with galena and uraninite; these aggregates, which cover several cm2, are...axis, covering fractures in galena veins with uraninite together with U oxides and kasolite (Fig. 1);...yellow colour on fractures in highly altered uraninite together with ‘gummite’, kasolite and orange tabular...Uranium mineralization is represented by massive uraninite and so-called ‘gummite’ – mostly amorphous Pb-U |  | | Journal (article/letter/editorial) | | collector mineral, uraninite, has been suggested for this issue’s Connoisseur’s Choice. Uraninite is typically...brownish-black, grayish, or greenish, and in thin section uraninite is dark brown, yellowish, or greenish. It is brittle...at the addresses above. 328 ROCKS & MINERALS Uraninite is cubic (4/m 3 2/m). When well-crystallized,...aggregates, or scattered small grains. Ideally, uraninite is simple uranium oxide (UO,); however, it commonly...of Ce, La, and other rare earths; Al; and Ca. Uraninite is found in diverse geologic occurrences. It is |  | | Book | | .................................... ..... 48 Germany .................................................for a richer Mountain Mining; Leonard Himes and Michael Jacob, appreciation of their details. Minerals...vvastewater during environmental reclamation at a mine that has ceased production. The following statistical...Saskatchewan, is the world's largest high-grade uraniu1n mine. The ore from that ,nine is crushed and treated...to start production at the Talvivaara Ni-Zn-Cu-Co mine, ,vhere bio-heap leaching is used to extract metals |  | Plasil, J., Palatinus, L., Rohlicek, J., Houdkova, L., Klementova, M., Golias, V., Skacha, P. (2014) Crystal structure of lead uranyl carbonate mineral widenmannite: Precession electron-diffraction and synchrotron powder-diffraction study. American Mineralogist, 99 (2) 276-282 doi:10.2138/am.2014.4671 | Journal (article/letter/editorial) | | from Nature as secondary alteration products of uraninite, typically formed in old open-mining adits of...Dissolution of naturally occurring UO2+x (x = 0–0.25)—uraninite under oxidizing conditions maintains a high concentration...was first described from the Michael mine in Weiler, Schwarzwald, Germany, by Walenta (1976), as orthorhombic...significance of widenmannite during alteration of uraninite Widenmannite is one of the supergene minerals...similar samples of widenmannite were found on the old mine-dumps (see Plášil et al. 2005). These dumps are |  | | Journal (article/letter/editorial) | | on the footwall of a backfllled stope in disused mine workings at West Wheal Owles, St. Just (Grid. Ref...been reported in analyses of nov~t~ekite from Germany (Frondel 1951, 1958; Walenta, 1964). No Ca was...described by Walenta (1964) from Anton Mine, Schiltach, Germany. Individual crystals are typically 10-20...described the fluorescence of nov~i~ekite from Germany as weak or dull green and rather variable, but...Schneeberg, Germany (Frondel, 1951) where it occurred in the oxidised zone of uraninite veins containing |  | | Journal (issue) | | G. Ryback 51 Troilite from Glenelg, Highland Region, Scotland: the first British Isles occurrence....' S Cleuch should be under Dumfries &. Galloway Region . p.91, RH col. , line 2 from bottom , & p.92,...lithium-drifted silicon detector, was able to analyse a large region of the X-ray energy spectrum, and thus was capable...apatite) emit light in the visible or ultraviolet region (called wthodoluminescence) which can be I:haracteristil:...specific to one element, since the map will be of a region of the spectrum likely to contain the characteristic |  | | Journal (article/letter/editorial) | | name. Bancroft itself is a town in the middle of a region of central Ontario hosting a large number of diverse...was the Faraday (Madawaska) mine near Bancroft (operated as the Faraday mine from 1954 to 1964 and again...again as the Madawaska mine from 1975 to 1982). Many of the most productive mineral-specimen localities...Haliburton County. Rod and Helen Tyson specimen, Michael Bainbridge photo. or pods, and in some cases as...Bancroft-area localities, including the Faraday (Madawaska) mine, have been characterized as fracture-filling deposits |  | | Journal (article/letter/editorial) | | War, with extensive mining and ore dressing of uraninite and its exports to USSR. The ore district was...[186]. At the beginning of the 16th century, the region of the Krušné hory Mts. (Erzgebirge) was strongly...harsh climate and short vegetation season made the region prohibitive for early farming settlers in the 12th...Haslov family were the major land owners in the region. Towards the end of the 13th century, the Schlick...(Schlackenwerth). Colonisation by medieval miners reached the region relatively early. On the Czech side, there were |  | | Book | | Mitchell has summarized so well in this volume. Michael Fleischer Washington, D.C. vii < Preface The...names was Glossary of Mineral Species (1975) by Michael Fleischer. Several of the synonyms included in...E. Arem; Glossary of Mineral Species (1975) by Michael Fleischer; Mineralogische Tabellen (5th edition)...acknowledge the comments and corrections made by Michael Fleischer, who read an early draft of the manuscript...I—II. New York: Plenum Press, 1972. 4. Fleischer, Michael. “Procedure of the International Mineralogical |  | | Journal (article/letter/editorial) | | hydrothermal silver-lead-zinc vein, Lucky Friday mine, Coeur d’Alene mining district, U.S.A—Patrick Nadoll...composition of the Platreef at the Sandsloot–Mogolakwena mine, Bushveld complex, South Africa—Laurie Reisberg...107 Vol. 49, No. 3, 2011 Experimental study of uraninite solubility in aqueous HCl solutions at 500°C and...magmatichydrothermal system—Thomas Monecke, Ulf Kempe, Michael Trinkler, Rainer Thomas, Peter Dulski, and Thomas...hydrothermal uranium deposits of the Erzgebirge, Saxony, Germany—V I. Velichkin and B.P. Vlasov 1 27 58 74 Vol |  | | Journal (article/letter/editorial) | | Animas, Atocha, Bolivia, stannite, 1045. Ankerite, Germany, thermal decomposition of, 138. An]~ole, Uganda...Italy, 1037. Belnhausen, Darmstadt, Germany, ankerite, 138. Benallt mine, Caernarvon~hire, Wales, bannisterite...50. Dundas, Montagu County, Tasmania, Dallas gem mine, San Benito County, California, melanite, 775. Dalyite... barian sanidine, 914. Elgersburg, Thuringia, Germany, pyrolusite pseudomorphous after manganite, 274... 101. Gersdorffite, Germany, crystal structure, 38. Gersdorffite (III), Germany, anal., crystal structure |  | | 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 |  | | Journal (article/letter/editorial) | | “mountain leather"), axinite; C. Millerton, Maltby mine: goethite; F. Millerton, road cut on State Rte....shale); S. Essex County Bloomingdale, Leibs moonstone mine: orthoclase, diopside, graphite, vesuvianite; C...Museum. Volume 82, November/December 2007 473 uraninite, pyrrhotite, zircon, monazite, others (Rowley...phlogopite, rutile; C. Tahawus, National Lead Company mine (44°03'14"N, 74°03'29"W): magnetite, ilmenite, labradorite...graphite; C. Willsboro, Cabot Corporation mine (Lewis NYCO mine): wollastonite, grossular-andradite (“colophanite”) |  | | Report (volume) | | _____ Catherine and Michael claims. __________ ____________________ Hack's mine.--__-___________ ___...prospect___________ ______________________________ Summit mine----_-__-_______.._______-___-__-__-_-__-__-___ Navajo...________ _ 4. Geologic sketch map, Catherine and Michael claims_________ 5. Composite sketch of workings...pipelike body, and the deposit exposed in Hack's mine in Mohave County is in a somewhat similar pipe....related to diabase. A considerable quantity of uraninite-bearing ore has been produced from several of |  | | Book | | ... ... .... . .... ..... . . ...... . Zoned Uraninite Pegmatites ..................................... . Zr-Fe 3.......... . 5. Anions Examples Uraninite Pyrochlorc-microlite, apatite, zirkelite, crandalJite...cro]j te Uraninite, zircon Uraninite Uraninite, fergusonite, samarskite, xenotime Uraninite Urau.inite...always well crystallized. Metamict pitchblende ( uraninite) has been reported ( Conybeare and Ferguson, 1950)...conspicuous in pegmatites around such species as uraninite, euxenite, samarskite, fergusonite, betafite, |
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