 | 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...Michael vein near Lahr, Schwarzwald, southwest (SW) Germany. Here, galena, sphalerite, and native arsenic are...together with U-free minerals like mimetite or anglesite. Some parts of the vein were enriched to U concentrations...Technology (KIT), Adenauerring 20b, D-76313 Karlsruhe, Germany. 0003-004X/20/0005–727$05.00/DOI: https://doi.org/10 |  | | 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...variety of other minerals including cerussite, anglesite, raspite, pyromorphite, mimetite, and scheelite... These include the well-known Loudville (Mahan) mine at Easthampton, Hampshire County, Massachusetts...Chester County, Pennsylvania, and the Silver Hill mine, Davidson County, North Carolina. It has been found |  | | Book (volume) | | phisches Institut der Universität Heidelberg (Germany), my research training with professors like P....center, zoned bravoite crystal. Rub.sn, Maubach, Germany (osp). b Aggregate of subtly zoned pyrite (with...and minor copper sulfides (colored). Rub606, Geevor Mine, Cornwall, UK (dsp). c Dissemination of fine-grained...of safflorite (white). CR328, Freiberg, Saxony, Germany (osp). d Hypidiomorphic inclusion of tetrahedrite...rombohedral gratonite sections. HD 8, Wiesloch, Baden-Württemberg, Germany (d + p). c Pyritization of Rotliegendes |  | | Book | | museum quality but many minerals can be found on mine dumps or can be purchased or traded. After introducing...look for. Michael O’Donoghue Proustite (East Germany) 7 Rocks We can define a rock as a large mineral...over its beer: to go underground in a non-working mine is sheer folly unless you are accompanied by someone...(preferably several people) who really knows the mine. Before venturing into the field serious collectors...really is a matter of life or death when you are in a mine - only a plan will show where water on the floor |  | | Book | | Design: Hansbernd Lindemann, Berlin. Printed in Germany. Preface More than thirty years ago, microprobe...of the granite-gneissic Precambrian rocks of the region and of manganese mobilized by leaching of basalts...controlled by the structurally superimposed unwrapping region. This engendered the decisive conditions in the...granitized material itself. The wide country rock-region may in many cases be a significant contributor...Lille in France, Severgin in Russia, Vezrer in Germany, Jemson in Britain and other scientists at the |  | | Book (volume) | | reserved. H., Hofbuchdruckerei, Cothen-Anhalt (Germany). PRECIOUS The Precious Stones. Precious others...hollowed out The vacant. man form the on left Germany with to be have posture greater a window...find Kimberley. Colony The projected the Du mine, serpentine and and where absence beginnings...and depths therefore in rush the afterwards mine, completely brecciated and fragmented, to in...discovered at of Vaal Kimberley mine when steam magnesium silicate, mine, and water funnel all of |  | | Journal (issue) | | on calcite, from the El Oriente tunnel, Chivor mine, Boyaca, Colombia. William Larson collection; Van...of the famous apophyllites from the Pashan Hills region (they contain up to 1600 ppm V). It must be noted...wilensky Rhodochrosite, 21/4 inches, N”Chwaning Mine, Cape Prov., South Africa. Ex-collections Steve...even farther, they may in fact have originated in Germany where an extensive glass-making industry had long...rom the amous 19 9 discovery at the Berilo Branco mine Minas Gerais Bra il. Conklin collection Je Scovil |  | | 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...(1940). 12 T H E ORE MINERALS FIG. 4 80 X Mouat Mine, Stillwater Valley, Montana RAMDOHR From a border |  | | Book (volume) | | Deposits The Iron Ore Deposits of the Arendal Region in Norway of Krivoi-Rog, in Southern Russia Iron...Deposits of Pitkaranta in Finland 4. Kallmora Silver Mine at Norberg, in Sweden 5. The Deposit of Schneeberg...Iron Ore Deposits in the Zechstein Dolomite of the Region of Schmalkalden 6. The Iron Ore Deposits of Amberg...The Zinc Deposits of Wiesloch, near Heidelberg, Baden 13. The Lead and Zinc Deposits of Raibl, in Carinthia...Riesengeb irge, Germany 3. The Iron Ore Deposits of the Schwarzen and Gelben Krux, Germany. 4. The Contact |
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