 | | Report (issue) | | 113 113 113 114 115 PAGE Germany (The Federal Republic and Eastern Germany) Greece • • • • • • • • •...world's supply of cobalt came from Scandinavia, Saxony and Hungary. In 1959, output from the Commonwealth...France, with smaller quantities imported by Federal Germany, New Zealand, Italy, Sweden, Australia, Argentina...orthorhombic, but has now been shown to be monoclinic. Safflorite is tin-white tarnishing to dark grey, with a...deposits and is an important mineral of the Cobalt district, Ontario; it also 9ccurs in Quebec, Morocco, Mexico |  | | Book | | results in a pseudo-symmetry, i.e. crystals of lower symmetry are twinned in such a way that they form...between that of the sample and that of the next lower grade. In this case we consider the hardness to...Different scratch hardness on kyanite 20 somewhere lower grade adding a half-grade to it. Although the determination...fibrous and porous aggregates often seem to have a lower hardness because of the blank spaces between individual...identification. Nobody should be discouraged by initial bad luck, it is sometimes difficult even for an expert |  | Moroni, Marilena, Rossetti, Piergiorgio, Naitza, Stefano, Magnani, Lorenzo, Ruggieri, Giovanni, Aquino, Andrea, Tartarotti, Paola, Franklin, Andrea, Ferrari, Elena, Castelli, Daniele, Oggiano, Giacomo, Secchi, Francesco (2019) Factors Controlling Hydrothermal Nickel and Cobalt Mineralization—Some Suggestions from Historical Ore Deposits in Italy. Minerals, 9 (7) 429 doi:10.3390/min9070429 | Journal (article/letter/editorial) | | Piedmont. The third deposit is the poorly known, gabbro-hosted Piazza Cu–Ag-rich orebody located in one...exploitation of the Montevecchio Pb–Zn–Ag vein district (Figure (Figure 1a), 1a), one one of of the the... Montevecchio Montevecchio mining mining district. district. (a) (a) Entrance Entrance of of an an old...the arsenide–sulfarsenide ore [27]; lower Co grades (0.2%) be lower found Co in very old(0.2%) reports...endS’Oliu of the mining [28]. end of the mining district [28]. Fogu vein (Perda mine) indistrict the western | | | Book | | results in a pseudo-symmetry, i.e. crystals of lower symmetry are twinned jn such a way that they form...that of the next lower grade. In this case we consider the hardness to be of the lower grade adding a half-grade...fibrous and porous aggregates often seem to have a lower hardness because of the blank spaces between individual...identification. Nobody should be discouraged by initial bad luck, it is sometimes difficult even for an expert...should preferably be more detailed, e.g. walls of a quarry, or refuse heap specimen, so that one could find |  | | Book (edition) | | Arsenopyrite Glaucodot Gudmundite Löllingite Safflorite Rammelsbergite Pararammelsbergite Molybdenite...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) | | various combinations of Co-Ni-Fe arsenides (mainly safflorite, skutterudite, loellingite, rammelsbergite, and...world’s most famous ore deposits such as Schneeberg/Germany, Jachymov/Czech Republic, Kongsberg/Norway, Cobalt/Ontario...Universität Tübingen, Wilhelmstr. 56, 72074 Tübingen, Germany Most workers have tried to explain the formation...Lipp 2003) and Bieber (Wagner and Lorenz 2002) in Germany, Turtmanntal in Switzerland (Meisser 2003), and...(unpublished results from Odenwald localities, Germany) recognized the occurrence of methane, propane |  | | 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 | | Design: Hansbernd Lindemann, Berlin. Printed in Germany. Preface More than thirty years ago, microprobe...Chapter 1 Introductory Concepts Chapter 4 Mantle and Lower Crust Derivatives Chapter 5 Replacement Patterns...The Role of Brines in Metallogeny (The Tennessee Valley-Type of Deposits) 163 Chapter 32 The Role of...hydrothermal veins. (ii) The granite intrusion mobilized lower crustmantle material due either to deep seated granitization...boron in shales, hornfels and granites of the Harzburg district, showed that the amount of boron decreases |  | | 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...solidif}^ at temperatures several hundred degrees lower, and thus after the ore minerals. 2. Magmatic differentiation...MINERALS FIG. 4 80 X Mouat Mine, Stillwater Valley, Montana RAMDOHR From a border zone, about 1 |  | | Catalog/List | | £2.16. 6. ARGENTITE. Comstock Lode, Paradise Valley, Nevada, U.S.A. A very rich sectile metallic grey...Psilomelane. Itxltxl". £5.40. 22. CHABAZITE. Dean Quarry, St. Keverne, Lizard, Cornwall. Unusual hollow...crystals of CHAB.ZITE with minor Stilbite, encrusting Gabbro matrix. Specimen A associated \'iith botryoidal...2txl·~xl". £2.16, 28. COBALTITE. Schneeberg, Saxony, Germany. Sharp, SLIvery grey, cubic crystals to 5 mm...embedded in a Quartzose matrix with SLIvery grey Safflorite in association. Very choice old specimen. 3:bc2'~'" |  | | Book | | minerals are the raw materials of the landscape. Every valley, hill and mountain peak is made entirely of rocks...just 20km/12 miles beneath California’s Central Valley, it is substances like zinc and lead that join...so great that the iron simply cannot melt. The lower mantle is 6702,900km/420-1,800 miles down. Here...the underside of the crust, creating rocks like gabbro. Some oozes up into vertical cracks created by...drop away down these 'faults' to open up a rift valley, flanked by mountains formed from blocks that didn't |  | | Book (edition) | | dept. (departement), dept. (departamento), dist. (district). Less common terms are not abbreviated, e.g....Scbwarzwald Mts., in the Sailauf quarry, Spessart Mts., Bavaria. both Germany, and from the Rabejac deposit... = = = = = Acanthite, x 16 mm, Freiberg, Germany, H Abernathyite, 12 mm, Ririera/, France, H Abhurite...at the Himmelsftirst mine, Freiberg, both Saxony, Germany. In the subtropical areas acanthite may occur...byssolite. Mono- coast of North America: Kobuk River Valley, Alaska, clinic, C2/m, a,b,c = 9.89, 18.20, 5.31 |  | | Journal (issue) | | Lieber Heidelberg, W. Germany Olaf Medenbach Ruhr Universitat Bochum Bochum, W. Germany Eric Offermann Arlesheim............................................ 2 Germany An historical perspective on silver mining in G...Batopilas Famous mineral localities: the Batopilas District, Chihuahua, M e x ic o .........................Baden-Badener-Strasse 3 D-6900 Heidelberg 1 West Germany # I ----------- — ------------------ Hermann...Leyerzapf Brunnen-Strasse 12 D-6236 Eschborn 2 West Germany erman mines have been yielding up prodigious amounts |  | | Book | | specific gravity are again defined as groups for the lower section of the multicolored margin bar. As man y...minerals as possible are included in each group. The lower section of the margin bar is fitted with a scale...crystals, and weathered surfaces can give a false lower hardness. After the test scratch, a powder-like...zircon and sphene, where double refraction at the lower edge of the crystal can be observed with the naked... 3◄ 4 ◄ 5 ◄ Sassolite boric acid G) Death Valley, California/ USA B(OHb Streak white. Mohs' hardness |  | | Journal (volume) | | collection of the GeoMuseum, Cologne University, Germany. "Personalities" section includes the article on...Collection of the GeoMuseum, Cologne University, Germany . . . . . . . . . . . . . . . . . . . . . . . ...including sheer walls of a troughshaped glacial valley. Glacial sediments consists of massive transported...(PO4)6 (OH)4·6H2O – a new mineral from Greifenstein, Saxony // Zapiski VMO (Proc. Russ. Mineral Soc.). 2002...vaesite NiS2 – cattierite CoS2, diarsenides: safflorite CoAs2 – rammelsbergite NiAs2 – loellingite FeAs2 |  | Rezazadeh, Sayeh, Hosseinzadeh, Mohammad Reza, Raith, Johann G., Moayyed, Mohsen (2020) Mineral chemistry and phase relations of Co–Ni arsenides and sulfarsenides from the Baycheh-Bagh deposit, Zanjan province, Iran. Ore Geology Reviews, 127. 103836pp. doi:10.1016/j.oregeorev.2020.103836 | Journal (article/letter/editorial) | | I, II, III) and diarsenides (rammelsbergite, safflorite) and terminated by sulfarsenides (gersdorffite-cobaltite...several localities; e.g. Bieber, Spessart region, Germany (Wagner and Lorenz, 2002); Jachymov, Czech Republic...Imiter, Morocco (Cheilletz et al., 2002); Odenwald, Germany (Burisch et al., 2017); Penninic Alps, Switzerland...tuffs and agglomerates are comparable with those of lower Miocene age at the hydrothermal Touzlar deposit...greyish Ni-Co arsenides (skutterudite, minor safflorite) and minor amounts of native bismuth; locally |  | | Book | | minerals are the raw materials of the landscape. Every valley, hill and mountain peak is made entirely of rocks...just 20km/12 miles beneath California's Central Valley, it is 90k1n/54 miles thick under the Himalayas...the underside of the crust, creating rocks like gabbro. Some oozes up into vertical cracks created by...to the surface. basalt lava at the surface and gabbro deeper down. At subduction zones, partial melting...Chelly beds of the buttes in Utah's famous Monument Valley (below). Tough though these rocks are, they too |  | Staude, Sebastian, Werner, Wolfgang, Mordhorst, Teresa, Wemmer, Klaus, Jacob, Dorrit E., Markl, Gregor (2012) Multi-stage Ag–Bi–Co–Ni–U and Cu–Bi vein mineralization at Wittichen, Schwarzwald, SW Germany: geological setting, ore mineralogy, and fluid evolution. Mineralium Deposita, 47 (3) 251-276 doi:10.1007/s00126-011-0365-4 | Journal (article/letter/editorial) | | vein mineralization at Wittichen, Schwarzwald, SW Germany: geological setting, ore mineralogy, and fluid...Co–Ag–Bi–U mining area (Schwarzwald ore district, SW Germany) hosts several unconformity-related vein-type...Universität Tübingen, Wilhelmstrasse 56, 72074 Tübingen, Germany e-mail: markl@uni-tuebingen.de W. Werner Regierungspräsidium...Bergbau (LGRB), Albertstr. 5, 79104 Freiburg i. Br., Germany U–Bi, Bi–Ag, Ni–As–Bi and Co–As–Bi. Important...to highly saline (around 25 wt.% NaCl+CaCl2) at lower temperatures (50–150°C) in Triassic to Cretaceous |  | | Report (issue) | | silica) are: Co All mafic rocks 51 Basalt 41 Gabbro 43 Diabase and dolerite 31 Intermediate rocks...present in separate ore shoots. In the Blackbird district (Idaho), the amount of copper present is greater...bismuth, and nickel are present. The Blackhawk district (New Mexico), is a silver- 1 cobalt-nickel type...hydrothermal deposit *-s the "stratabound" Mississippi Valley type deposits* These contain mostly sulfides ...also, were sent to France from the Quartzburg district, Oregon. During the periods 1906-1910 and 1917-1920 |  | | Journal (article/letter/editorial) | | Mineral Resources, Wilhelmstraße 56, 72074 Tübingen, Germany *Corresponding authors. Highlights mineralogy...Norway; Jáchymov, Czech Republic; and Schneeberg, Germany. As the physico-chemical conditions of formation...such as St. Andreasberg/central Germany or the Wenzel mine in SW Germany (Schnorrer-Köhler, 1983, Staude...(arsenides and sulfarsenides from Schneeberg, Germany and Schladming, Austria; sulfarsenides from the...mineralization sequence for each investigated district. We did, however, make sure that no published | | | Book | | one that will again defined as groups for the lower sec- 2< make a positive identffica- tion of the...characteristic—also weight of a specific mate- The lower section of the margin bar is rial compared with...crystals, and weathered surfaces can give a false lower hardness. Metal holders in which mineral chips...Tarnish, discolorations, and weathering tion at the lower edge of the crystal can be observed with the naked...trona. 2i SaSSOlite 34 boric acid (3) Death Valley, Califorma/USA B(OH)3 Streak white. Mohs’ hardness | | | Book | | specific gravity are again defined as groups for the lower section of the multicolored margin bar. As many...minerals as possible are included in each group. The lower section of the margin bar is fitted with a scale...crystals, and weathered surfaces can give a false lower hardness. After the test scratch, a po}Vder-like...zircon and sphene, where double refraction at the lower edge of the crystal can be observed with the naked...borax, kernite. 8◄ Sal Ammoniac g◄ Q) Death Valley, California/USA (1) Paricutin/Mexico Ammonium |  | Lebedev, V. I., Borovikov, A. A., Gushchina, L. V., Shabalin, S. I. (2019) Physicochemical Modeling of Hydrothermal Mineralization Processes at Ni–Co–As (±U–Ag), Co–S–As (±Au–W), and Cu–Co–As (±Sb–Ag) Deposits. Geology of Ore Deposits, 61 (3) 225-255 doi:10.1134/s107570151903005x | Journal (article/letter/editorial) | | Vladimirovka deposit are genetically related to gabbro–diorite of the Charysh complex (D3–C1), while the...was used to determine the age of the Timofeevka gabbro–diorite GEOLOGY OF ORE DEPOSITS Vol. 61 No....As (±U–Ag) thite, rammelsbergite, nickeline, safflorite, lollingite (Fe sulfides and Cu, Ag sulfosalts...activation zone; associative relation to postorogenic gabbro– granosyenite subalkali magmatism Argillization...(gersdorffite, glaucodot, gersdorffite, cobaltite, safflorite, Pb and Zn sulfides) stock (370 Ma), which, |  | | Catalog/List | | MAY 1975 1. ALLEMONTITE, st. _ndreasberg, Harz, Germany. Very rich, silveJY grey, oetallic mass associated...with a· little CaL:ite and traces of silverY.,safflorite. 3tx2t". £8. 2. ANALcIME. Dene Qua~ry, st. Keverne...in a cavity with a little crystalised Calcite in gabbro matrix. 2txlt", £4-.50. . 3. APATITE, Panasque:\...places, Itxlxl". £11.' 4-. APATITE, Colcerrovl Quarry, Luxulyan, Cornwall. A sharp, well. formed, doubly... 35· 36. CHALcOPYRITE. Dreislar, Sauerland, Germany. Choice, bright, bronzey, sharp twinned crystals |  | | Report (issue) | | Late pyrrhotite 7. Reaction rims in olivine gabbro 8. Crustification in vein from 9. Crustification...3. in 8 magmatic ore 9 Newfoundland 15 Germany 10. Fracture 11. Colloform pitchblende 12...Composite paragenetic diagram for the Zacatecas district, Mexico 27. Automorphic replacement of iron silicate...Contorted banding in ore from 61 and Rammelsberg, Germany 63 63 71 74 : . INTRODUCTION The term texture...microscope is undoubted usually of any one district magmatic ores are igneous rock or at most to closely |
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