 | | Journal (issue) | | • Email: info@kristalle.com Harz Mountains, Germany by Günter Grundmann Thomas P. Moore Wendell E... Moore COVER: PROUSTITE, 3.5 cm, from St Andreasberg. Germany, found in 1899; ex collection of Richard... Contents The St. Andreasberg Mining District, Western Harz Mountains, Niedersachsen, Germany .............(Simonin, 1869). The Mining District Western Harz Mountains Niedersachsen, Germany Günter Grundmann Eschenweg...minrecord@comcast.net The geographically tiny St. Andreasberg District of silver mines has an outsized reputation: |  | | Catalog/List | | PHONE (406) 363 3601 A.JOITE CRYSTALS New Cornelia mine, Ajo, Pima County, Arizona. Hydrated copper aluminum... ANHYDRITE CRYSTALS Sonderhausen, South Harz, Germany. Calcium sulfate. Single sharp rectangular crystals...and S7. 50. BOURNONITE COGWHEEL CRYSTALS Keystone mine, Crested Butte, Colorado. A lead copper antimony...xls on matrix, T/N $. 50, $1. 00 AMOSITE Penge mine, Cape Province, Republic of South Africa. A basic...$7.50 and $9. 50. ARSENOLITE CRYSTALS White Caps mine, Manhattan, Nevada. Arsenic trioxide. Very sharp |  | | Book | | Vienna. Lower left: Cobaltocalcite group. from Lerida. Spain. Folch collection. Barcelona. Lower right:...Netherlands. Back cover The museum ldar-Oberstein. West-Germany. is quaintly situated beneath the Felsenkirche...Copyright 1986 by . Ulrich Burchard, Lalling, West-Germany All rights reserved including the right of reproduction...Printed in Germany Miscellaneous: Design & Lay Out by Rainer Bode, Haltern, West-Germany Type set by...Wurzburg, West-Germany Colour separations by Litho Thungen GmbH, Thungen, West-Germany H. Bari, Musee |  | | 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...Rohstoffe (BGR), Stilleweg 2, D-30655 Hannover, Germany Dr. Salah Al-Khirbash Prof. Dr. Rainer Altherr & |  | | Book (edition) | | Aurostibite Geversite Insizwaite Padmaite Cobaltite Gersdorffite Ullmannite Hollingworthite Irarsite Marcasite...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 |  | | Journal (article/letter/editorial) | | very fine to submicroscopic intergrowths of gersdorffite (Ni0.6Fe0.4AsS) with geocronite and with galena...Ag contents in some Pb-Zn ores of the Silvermines mine, County Tipperary, Ireland. This problem was brought...the sphalerite. Tetrahedrite, geocronite and gersdorffite were recognized microscopically. The second...generation that replaced sphalerite. Geocronite and gersdorffite crystallized together with galena (Fig. 2A,...Overgrowths of gersdorffite (grey) on pyrite (white) and idiomorphic crystals of gersdorffite in galena (dark |  | Voudouris, P., Melfos, V., Spry, P. G., Bonsall, T. A., Tarkian, M., Solomos, Ch. (2008) Carbonate-replacement Pb–Zn–Ag ± Au mineralization in the Kamariza area, Lavrion, Greece: Mineralogy and thermochemical conditions of formation. Mineralogy and Petrology, 94 (1) 85-106 doi:10.1007/s00710-008-0007-4 | Journal (article/letter/editorial) | | Pb–Zn–Ag±Au deposits in the Kamariza area, Lavrion district, Attica, Greece, are genetically related to the...sches Institut, Universität Hamburg, Hamburg, Germany C. Solomos Agias Lavras 68, Athens, Greece dorffite...of Bi, Au, and Ag is common. The assemblages gersdorffite-bismuthinite-native gold and native gold-native...al. 2007; Voudouris et al. 2007). The Lavrion district is part of the AtticCycladic metamorphic core...Hellenic subduction zone (Neubauer 2005). The Lavrion district includes two extensive mining centers, Plaka and |  | | 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...solidif}^ at temperatures several hundred degrees lower, and thus after the ore minerals. 2. Magmatic differentiation |  | | Journal (article/letter/editorial) | | deposits. Arsenopyrite and, to a lesser extent, gersdorffite are the main sulfarsenide minerals in almost...minerals have been identified from the Bou Azzer district, of which cobalt and nickel minerals are the most...(Kolkovski et al., 2003). The Bou Azzer mining district in southern Morocco of the central Anti-Atlas...al., 2005; D’Lemos et al., 2006). The Bou Azzer district lies in the central part of the AntiAtlas Mountains...deposits. (A). Mining activity at old Ait Ahmane mine located at the contact between serpentinite and |  | | Book (edition) | | Linopolis, Brazil, H Page 13: Gold, 35 mm.Eagle's est Mine, California, G Publi!>hed by Grdllit.u.o. Stefanikova43...dept. (departement), dept. (departamento), dist. (district). Less common terms are not abbreviated, e.g....Is. (island), Vole. (volcano), Penin. (peninsula), St. (Saint), Ste. (Sainte). Recent developments in many...tint. R = 35 %. VHN = 26-61. Rare at etc. at Mont St-Hilaire. Quebec. CM 32. 843-854, Georgetown, Clear...Rice, Dolores co., both Colorado, at the Questa mine, Taos co., New 1994. Abernathyite K2[(UOJ 2l(AsO_J2]•6HzO |  | Wagner, Thomas, Okrusch, Martin, Weyer, Stefan, Lorenz, Joachim, Lahaye, Yann, Taubald, Heiner, Schmitt, Ralf T. (2010) The role of the Kupferschiefer in the formation of hydrothermal base metal mineralization in the Spessart ore district, Germany: insight from detailed sulfur isotope studies. Mineralium Deposita, 45 (3) 217-239 doi:10.1007/s00126-009-0270-2 | Journal (article/letter/editorial) | | metal mineralization in the Spessart ore district, Germany: insight from detailed sulfur isotope studies...Springer-Verlag 2009 Abstract The Spessart district (SW Germany), located at the southwestern margin of...Universität Würzburg, Am Hubland, 97074 Würzburg, Germany S. Weyer : Y. Lahaye Institut für Petrologie, Geochemie...Senckenberganlage 28, 60325 Frankfurt am Main, Germany H. Taubald Institut für Geowissenschaften, Universität...Universität Tübingen, Wilhelmstr. 56, 72074 Tübingen, Germany R. T. Schmitt Museum für Naturkunde, Leibniz-Institut |  | | Journal (article/letter/editorial) | | veins contains minute inclusions of millerite, gersdorffite, pentlandite, chalcopyrite, chalcocite, pyrrhotite...contient d’infimes inclusions de millerite, gersdorffite, pentlandite, chalcopyrite, chalcocite, pyrrhotite...chlorite. Metamorphic grade in the area is in the lower greenschist facies. Partial alteration of the sedimentary...contains two distinct breccia zones, upper and lower zone, and the common replacement minerals include...zone at ca. 129 m depth, and the upper part of the lower breccia zone at ca. 475 m. It consists of hematite-coated |  | | Journal (article/letter/editorial) | | vein mineralization, Bieber deposit, Spessart, Germany T. WAGNER1,2,* AND J. LORENZ3 1 Mineralogisches...Universität Würzburg, Am Hubland, D-97074 Würzburg, Germany Department of Earth and Planetary Sciences, McGill...Graslitzer Str. 5, D-63791 Karlstein am Main, Germany 2 ABSTR ACT Post-Variscan vein-type Co-Ni-Bi...ores of the Bieber deposit, Spessart mountains, Germany, which are related to the Permian Kupferschiefer...cobaltite, alloclasite, niccolite, maucherite, gersdorffite, rammelsbergite/ pararammelsbergite, safflorite |  | Neyedley, Kevin, Hanley, Jacob J., Falck, Hendrik, Bodnar, Robert J., Fedele, Luca, Fayek, Mostafa, Sharpe, Ryan (2019) Sulfide melt inclusions associated with magmatic Ni-Cu-platinum-group element (PGE) mineralization in the Caribou Lake Gabbro, Blatchford Lake intrusive suite, Northwest Territories, Canada. Ore Geology Reviews, 107. 513-531 doi:10.1016/j.oregeorev.2019.02.009 | Journal (article/letter/editorial) | | Department of Geosciences, Virginia Tech, 1405 Perry St, Blacksburg, VA, 24061 d Department of Geological...mineralization comprise sphalerite, galena, glaucodot-gersdorffite [(Co,Fe)AsS-NiAsS], molybdenite, tellurobismuthite...portion of the Caribou Lake Gabbro) has upper and lower contacts with massive gabbro, suggesting that the...grew via cyclical intrusive activity (with the lower most ultramafic section not represented in drill...disseminated mineralization (~10-25 vol% sulfide). The lower contact between mineralized and non-mineralized |  | | Book | | Such metals as Cu, Ag and Zn often pass from a lower oxidation zone to a deeper cementation zone where...is harder and the test may proceed to the next lower grade. Not much force on the scratching point is...aggregates or weathered minerals have usually a lower hardness than the single or unaltered crystals of...For instance, hematite (hardness 6) will have a lower hardness in the radiating or earthy form than in...some differences. Transparency may also become lower because of mechanical effects - small rifts often |  | | Journal (article/letter/editorial) | | BRINE INCLUSIONS FROM THE Co-As(Au)BOU AZZER DISTRICT, ANTI-ATLAS MOUNTAINS, MOROCCO AOMAREN-NACIRI*...scanning electronmicroscope-enrite,cobaltitc, gersdorffite), (5) sulfides andsulfosalts (chalcoergydispersive...craton Fault • Jurassic doleritedike ß o Studied mine lO I I FIG.1. Simplifed geologic mapof theB...Thesamples studied werecollected onsurface andin mine byvarying pointof NaNOs(i.e.,306.8øC). Calibration...from westto eastin the spectrometer radiation. district(Table1; Fig. 1): Meehoui,the ST2 veinfromthe of |  | | Journal (article/letter/editorial) | | Mineralization in the Snowbird Deposit, Montana IAIN M. SAMSON,† Department of Earth Sciences, University of Windsor...genetically to mineralization in the Coeur d’Alene district. Fluid inclusions in quartz, fluorite, ankerite...fluids but with more variable CO2 contents and lower salinities (down to ~29 wt % NaCl equiv). Fluorite...deposition was followed by the infiltration of lower salinity aqueous fluids. Our paragenetic and fluid...and silver mineralization of the Coeur d’Alene district, which generally have been interpreted to have |  | Kerr, Mitchell J., Hanley, Jacob J., Kontak, Daniel J., Morrison, Gordon G., Petrus, Joseph, Fayek, Mostafa, Zajacz, Zoltán (2018) Evidence of upgrading of gold tenor in an orogenic quartz-carbonate vein system by late magmatic-hydrothermal fluids at the Madrid Deposit, Hope Bay Greenstone Belt, Nunavut, Canada. Geochimica et Cosmochimica Acta, 241. 180-218 doi:10.1016/j.gca.2018.08.030 | Journal (article/letter/editorial) | | northern Canada, which lies in an emerging gold district that is known to have highly variable gold grades...veins, hematite is common and chalcopyrite and gersdorffite are the main sulfides, with rare pyrite and...commonly in late intergrowths with chalcopyrite + gersdorffite that replace or crosscuts pyrite, suggesting...in sulfide grains (pyrite, chalcopyrite and gersdorffite); (ii) fine grains in type 1 veins; (iii) aggregates...intergrowths of sulfosalts (tennantite-tetrahedrite ± gersdorffite) + chalcopyrite + electrum ± Ag-Pb-Au tellurides |  | | Report (issue) | | dupe lore Prae uid 49 3 ines - wars! aia ooh st iy a0 tp Ge nu * ceria marley 7 rei q —...080; Z = 4 2496Q (Cu/Ni)—East Gold mine, Bowser River district, Portland Canal area, B.C. Composition...5-Fm3m; a = 4.085; Z = 4 235Q* (Cu/Ni)—Freiberg, Saxony (QU, native wire silver) Cell edge by Owen 7...silver Cell Studies, the same (a) 0, 0, S Z = mine, Coantimony). edge by Peacock (Univ. Toronto Geol...11; Z = 4 521 (Cu/Ni)—Germanson Landing, Omineca district, B.C. (about 80 per cent silver). Pattern similar |  | Borojević Šoštarić, Sibila, Palinkaš, Ladislav A., Strmić Palinkaš, Sabina, Bermanec, Vladimir, Neubauer, Franz, Spangenberg, Jorge, Prochaska, Walter (2009) Origin of siderite mineralisation in Petrova and Trgovska Gora Mts., NW Dinarides. Mineralogy and Petrology, 97 (1) 111-128 doi:10.1007/s00710-009-0065-2 | Journal (article/letter/editorial) | | 33–280 ppm of silver (Jurković 1958). The last iron mine was closed in the late sixties of the last century...zones (Podubsky and Pamić 1967; Podubsky 1968). The lower parts of these units are composed of EarlyMiddle...(CarboniferousEarly Permian) flysch sequence composed in the lower parts of dark-gray silty shales and siltstones....sandy limestones, which gradually pass into the lower Triassic marine siliciclastic sediments. Within...Middle Carboniferous to Early Permian age. The lower shale sequence is in places interbedded with thin |  | Neyedley, Kevin, Hanley, Jacob J., Fayek, Mostafa, Kontak, Daniel J. (2017) Textural, Fluid Inclusion, and Stable Oxygen Isotope Constraints on Vein Formation and Gold Precipitation at the 007 Deposit, Rice Lake Greenstone Belt, Bissett, Manitoba, Canada. Economic Geology, 112 (3) 629-660 doi:10.2113/econgeo.112.3.629 | Journal (article/letter/editorial) | | greenstone belt, Canada, Smith et al., 1984; Sigma mine, Abitibi greenstone belt, Canada, Robert and Kelly...0361-0128/17/4483/629-32 mining district, United States, Caddey et al., 1991; Rice Lake mine, Rice Lake greenstone...gold belt, Ghana, Oberthür et al., 1996; Siscoe mine, Abitibi greenstone belt, Canada, Olivo and Williams-Jones...greenstone belt, Canada, Dubé et al., 2004; Giant mine, Yellowknife greenstone belt, Canada, Shelton et...craton, Australia, Duuring et al., 2004; Hoyle Pond mine, Abitibi greenstone belt, Canada, Dinel et al., |  | | Journal (article/letter/editorial) | | metamorphic rocks present regionally within the district and may represent a zone of synmetamorphic hydrothermal...detailed mapping in the Guelb Moghrein open pit, district-scale mapping, utilization of company regional...around the mine area, and petrographic and isotopic studies on samples from both the mine area and the...the district. Geochemical data are largely derived from other published studies and company reports. This...comparing mineral assemblages in the Guelb Moghrein mine area, particularly the coarse-grained amphibolites | | | Book | | illustrated Encyclopedi of the World’s Rocks and Mine re L A R E N MI OF THE WORLD Rudolf Duda and...Such metals as Cu, Ag and Zn often pass from a lower oxidation zone to a deeper cementation zone where...is harder and the test may proceed to the next lower grade. Not much force on the scratching point is...aggregates or weathered minerals have usually a lower hardness than the single or unaltered crystals of...For instance, hematite (hardness 6) will have a lower hardness in the radiating or earthy form than in |  | Le Vaillant, Margaux, Saleem, Ahmad, Barnes, Stephen J., Fiorentini, Marco L., Miller, John, Beresford, Steve, Perring, Caroline (2016) Hydrothermal remobilisation around a deformed and remobilised komatiite-hosted Ni-Cu-(PGE) deposit, Sarah’s Find, Agnew Wiluna greenstone belt, Yilgarn Craton, Western Australia. Mineralium Deposita, 51 (3) 369-388 doi:10.1007/s00126-015-0610-3 | Journal (article/letter/editorial) | | located 4.5 km north of the Mount Keith nickel mine, Western Australia, was chosen as a case study to...nickel is mainly present as nickel sulfarsenides (gersdorffite NiAsS) and pentlandite ([Ni,Fe]8S9). Two types...wt%) gersdorffites (Fig. 15). Both types of gersdorffite can be found in the same sample such as in MKTD506-273...diagrams comparing the variations between the two gersdorffite types. IPGE are generally low, and their concentrations...11.8 and 350 ppm Pd, whereas foliation type gersdorffite show average concentrations between 0.99 and |  | Acosta-Gongora, P., Gleeson, S. A., Samson, I. M., Ootes, L., Corriveau, L. (2015) Gold Refining by Bismuth Melts in the Iron Oxide-Dominated NICO Au-Co-Bi ( Cu W) Deposit, NWT, Canada. Economic Geology, 110 (2) 291-314 doi:10.2113/econgeo.110.2.291 | Journal (article/letter/editorial) | | Canada P. Acosta-Góngora,1,† S. A. Gleeson,1 I. M. Samson,2 L. Ootes,3 and L. Corriveau4 1 Department 2 Department...mineral deposits (e.g., NICO deposit; Tennant Creek district, Australia; Idaho cobalt belt, United States;...include deposits in the AuCu-Bi Tennant Creek district (Skirrow and Walshe, 2002), the Co-Cu-Au-Bi-Y-REE...(2000) divided the Treasure Lake Group into the lower, middle, and upper units. 293 NICO Au-Co-Bi (±Cu±W)...1000 km Great Bear Lake Wopmay Orogen COPPER MINE HOMOCLINAL 116o Eldorado/Echo Bay/ El Bonanza |
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Samson Mine, St Andreasberg, Braunlage, Goslar District, Lower Saxony, Germany