 | 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 MineralizationâSome 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 CuâAg-rich orebody located in one...exploitation of the Montevecchio PbâZnâAg 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 arsenideâsulfarsenide ore [27]; lower Co grades (0.2%) be lower found Co in very old(0.2%) reports...endSâOliu of the mining [28]. end of the mining district [28]. Fogu vein (Perda mine) indistrict the western |  | | Journal (article/letter/editorial) | | combinations of Co-Ni-Fe arsenides (mainly safflorite, skutterudite, loellingite, rammelsbergite, and niccolite)...worldâs most famous ore deposits such as Schneeberg/Germany, Jachymov/Czech Republic, Kongsberg/Norway, Cobalt/Ontario...UniversitĂ€t TĂŒbingen, Wilhelmstr. 56, 72074 TĂŒbingen, 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2003) and Bieber (Wagner and Lorenz 2002) in Germany, Turtmanntal in Switzerland (Meisser 2003), and...(unpublished results from Odenwald localities, Germany) recognized the occurrence of methane, propane |  | | Book (edition) | | Tungstenite Berndtite Melonite Moncheite Skutterudite Nickel-skutterudite Strunz-Group Page II/D.17-50 II/D...Affiliation/Address Luzerner Str. 10-12, D-12205 Berlin, Germany â Freie UniversitĂ€t Berlin, FB Geowissenschaften...Mineralogie, Malteserstr. 74-100, D-12249 Berlin, Germany Bundesanstalt fĂŒr Geowissenschaften und Dr. Frank...Stilleweg 2, D-30655 HanDr. Thomas OberthĂŒr nover, Germany Dr. Thomas Kenkmann Museum fĂŒr Naturkunde der ... zu Berlin, Invalidenstr. 43, D-10115 Berlin, Germany Prof. Dr. Robert Marschik & Ludwig-Maximilians |  | | 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 |  | | Report (issue) | | 113 113 113 114 115 PAGE Germany (The Federal Republic and Eastern Germany) Greece âą âą âą âą âą âą âą âą âą...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...these the more important ore minerals include skutterudite, smaltite, cobaltite, linnaeite, carro/lite...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 |  | | 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... 3â 4 â 5 â Sassolite boric acid G) Death Valley, California/ USA B(OHb Streak white. Mohs' hardness |  | | Journal (article/letter/editorial) | | hydrobasaluminite, basaluminite, 931 Merebead quarry, Somerset, mendipite, chloroxiphite, 9o i St. Austell...Lake District, arsenopyrite, alloclase, glaucodot, cobaltian arsenopyrite, eobaltite, skutterudite, 39°...intergrown with clausthalite and wittichenite, 13I Germany (Deutschland) Clara mine, Black Forest, cuprotungstite...jadeite, phengite, pumpellyite, and lawsonite in gabbro, 979 Termignon, Haut Savoie, blueschist-facies...Valle Vigezzo, Prov. Novara, vigezzite, 459 Osa quarry, Rome, gismondine, 84 I Sasso della Mantesca and |  | | Book | | immensely popular handbook of minerals appeared in Germany I obtained a copy fo! my personal library and was...culture, derives its name from the saltmining district of Hallstatt in Upper Austria, where many prehistoric...minerals are concerned. Opal is still thought to bring bad luck, and similar stories are told about certain...of these fourfold axes in all. The considerably lower symmetry of a monoclinic crystal is shown in Fig...crystallographic symmetry of a body may often be lower than its apparent geometric symmetry. In a pyrite |  | | Book | | look for. Michael OâDonoghue Proustite (East Germany) 7 Rocks We can define a rock as a large mineral...Darker and even poorer in silica than diorite is gabbro, containing a calcium-rich plagioclase and pyroxene...Granite Nepheline syenite Syenite Dio rite Gabbro Peridotite 13 Dunite Serpentinite Rhyolite...the fixed index (the ordinary ray) at a higher or lower reading than the moveable (extraordinary) ray. Where...incident beam are retarded by passing through to the lower side of the film, rejoining the main beam either |  | | 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 Californiaâs 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 |  | | Catalog/List | | A~GLESITE. 8. ATACAMITE. Copiapo, Atacama District, Chile. Rich, very dark, blackish green, bladed...If.xlt". f.l. 50. 9. AZURITE. Moldawa, Banat District, Hungary. Small, bright, blue sharp sparkling...}~-x2ixli". ÂŁl6.5o. NATIVE B~5MUTH. Schneeberg, Saxony, Germany. Very rich vein section consisting of feathery...ÂŁ13.00. 15. BROCHANTITE. Mammoth Mine, Tintic District, Utah, U.S.A. Bright, deep green, small sharp...Pearce in 1903. 2-!;-xl~-". ÂŁ8.00. CALCITE. Machen Quarry, Rudry, Glamorgan. Sharp, composite, translucent |  | | 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 ----------- â ------------------ Hermann...Leyerzapf Brunnen-Strasse 12 D-6236 Eschborn 2 West Germany erman mines have been yielding up prodigious amounts |  | Staude, Sebastian, Werner, Wolfgang, Mordhorst, Teresa, Wemmer, Klaus, Jacob, Dorrit E., Markl, Gregor (2012) Multi-stage AgâBiâCoâNiâU and CuâBi 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...CoâAgâBiâU mining area (Schwarzwald ore district, SW Germany) hosts several unconformity-related vein-type...UniversitĂ€t TĂŒbingen, Wilhelmstrasse 56, 72074 TĂŒbingen, Germany e-mail: markl@uni-tuebingen.de W. Werner RegierungsprĂ€sidium...Bergbau (LGRB), Albertstr. 5, 79104 Freiburg i. Br., Germany UâBi, BiâAg, NiâAsâBi and CoâAsâBi. Important...to highly saline (around 25 wt.% NaCl+CaCl2) at lower temperatures (50â150°C) in Triassic to Cretaceous | | | Book | | one that will again defined as groups for the lower sec- 2< make a positive identffica- tion of the...characteristicâalso 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. Mohsâ hardness |  | | 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 UniversitĂ€t, Department fĂŒr Geo- und Umweltwissenschaften...Ressourcengeologie, Luisenstr. 37, D80333 MĂŒnchen, Germany Bundesanstalt fĂŒr Geowissenschaften und Rohstoffe...Rohstoffe (BGR), Stilleweg 2, D-30655 Hannover, Germany Dr. Salah Al-Khirbash Prof. Dr. Rainer Altherr & |  | | Book | | 31 silicates 75 sillimanite 79 silver 4, 5 skutterudite 17, /7 smaltite 17, 17 smithsonite 38, 39,...found in igneous rocks rich in magnesium and gabbro granules and and poor in silica, such as peridotite...brownish black, at Freiberg and Andreasberg in Germany, and also in the United States (Arizona). Antimony...found at Butte, Montana, and the Copper River district of Alaska. A much rarer mineral is covellite,...Switzerland. Good crystals I occur at Freiberg in Saxony, Cavnic in Romania, Schwaz in the Tyrol (Austria) | | | 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. 8â Sal Ammoniac gâ Q) Death Valley, California/USA (1) Paricutin/Mexico Ammonium |  | | | | 75 sillimanite 79 silver 4, 5 uraninite 36 skutterudite 17, 17 smaltite 17, 17 smithsonite 38, 39, 40...rocks rich in magnesium and poor in silica, such as gabbro and peridotite. It is normally found in granules...brownish black, at Freiberg and Andreasberg in Germany, and also in the United States (Arizona). Antimony...found at Butte, Montana, and the Copper River district of Alaska. A much rarer mineral is covellite,...found in crystals if occur at Freiberg in Saxony, Cavnic in Romania, Schwaz in the Tyrol (Austria) | | | Book | | results in a pseudo-symmetry, i.e. crystals of lower symmetry are twinned in such a way that they form...this case we consider the hardness to be of the 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...should preferably be more detailed, e.g. walls of a quarry, or refuse heap specimen, so that one could find |  | | Journal (volume) | | collection of the GeoMuseum, Cologne University, Germany. "Personalities" section includes the article on... Ferroskutterudite, Nickelskutterudite, and Skutterudite from the Norilsk Ore Field . . . . . . . . ...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 â a new mineral from Greifenstein, Saxony // Zapiski VMO (Proc. Russ. Mineral Soc.). 2002 |  | | 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 |  | Lebedev, V. I., Borovikov, A. A., Gushchina, L. V., Shabalin, S. I. (2019) Physicochemical Modeling of Hydrothermal Mineralization Processes at NiâCoâAs (±UâAg), CoâSâAs (±AuâW), and CuâCoâAs (±SbâAg) Deposits. Geology of Ore Deposits, 61 (3) 225-255 doi:10.1134/s107570151903005x | Journal (article/letter/editorial) | | Vladimirovka deposit are genetically related to gabbroâdiorite of the Charysh complex (D3âC1), while the...was used to determine the age of the Timofeevka gabbroâdiorite GEOLOGY OF ORE DEPOSITS Vol. 61 No....components of fluids Examples NiâCo arsenide (five- Skutterudite, element) smaltiteâcloanNiâCoâAs (±UâAg) thite...activation zone; associative relation to postorogenic gabbroâ granosyenite subalkali magmatism Argillization...characteristic of premineral dikes of phase III gabbro of the Bayan-Kol complex (D2â3) in the Tlangar | | | 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 | | specific gravtly are again defined as groups for the lower sectton of the mulucolored margin bar. As many minerals...minerals as possible are mcluded m each group The lower section of the margm bar is fitted w1th a scale...crystals. and weathered surfaces can g1\'e a false lower hardness After the te\l scratch, a powder-hke residue...zircon and sphene, where double refraction at the lower edge of the crystal can be observed with the naked...4 â 6 â 7 â Sassolite boric acid Q) Death Valley, California/USA B(OHb Streak white. Mohs' hardness |
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