 | | Report (issue) | | Daoping mine, Guilin, Guangxi Zhuang Autonomous Region, China. These are loose, flowerlike, cyclic clusters...Daoping mine, Guilin, Guangxi Zhuang Autonomous Region, China. Weinrich Minerals specimen and photo. ...alluring items from new finds in Turkey, Peru and Morocco. Take those antique gray uglies first. From an...Denizovasi, Yahyali district, Kayseri Province, central Anatolia region, Turkey (got that?). According to...confused with the Aladağ chromium mine in Adana Province” (according to Wikipedia, Aladağ means “variegated |  | | Journal (article/letter/editorial) | | chromian spinels from the Bou-Azzer mining district (Morocco): Constraints on their relationship with the mineralizing...Ultramafic-hosted hydrothermal vent Bou-Azzer mining district Morocco a b s t r a c t The Co–Ni arsenides from the Bou-Azzer...three different deposits (Aghbar, Tamdrost and Aït-Ahmane mines) were studied focusing on the alteration...Aghbar mine. Chromian spinels from Tamdrost and Aït-Ahmane ores have much lower contents in these elements...deposit . . . . . . . . . . . . . . . . 6.3. Aït-Ahmane deposit . . . . . . . . . . . . . . ⁎ Corresponding |  | | Report (issue) | | argillite, from the Rokana mine near Kitwe, Copperbelt Province, Zambia. (He refers to the Rokana mine as the...[Rokana] mine, Mindola pit, Kitwe, Copperbelt Province, Zambia. Fabre Minerals specimen and photo. Libethenite...[Rokana] mine, Mindola pit, Kitwe, Copperbelt Province, Zambia. Ex Robert Noble collection. Fabre Minerals...mine in the Bou Azzer district, Ouarzazate Province, Morocco. Sphalerite specimens much like the 2018 ones...Spirifer site, these said to be from the nearby Aït Ahmane mine in the Bou Azzer district. This sphalerite |  | | Report (issue) | | from huge salt mines in Lower Silesia, Poland—a region which now has come up with two new occurrences...Kupferschiefer copper shales…Formation of the copper, silver and halite deposits…is connected with deposition...specimen and photo. From another place in the same region—the locality is given as the Rudna mine, Lubin...occurrence of djurleite in the Aït Ahmane mine, Bou Azzer district, Morocco. This material also debuted...Djurleite, 4.7 cm, from the Aït Ahmane mine, Bou Azzer district, Ouarzazate, Morocco. The Arkenstone specimen |  | Oberthur, T., Melcher, F., Henjes-Kunst, F., Gerdes, A., Stein, H., Zimmerman, A., El Ghorfi, M. (2009) HERCYNIAN AGE OF THE COBALT-NICKEL-ARSENIDE-(GOLD) ORES, BOU AZZER, ANTI-ATLAS, MOROCCO: Re-Os, Sm-Nd, AND U-Pb AGE DETERMINATIONS. Economic Geology, 104 (7) 1065-1079 doi:10.2113/econgeo.104.7.1065 | Journal (article/letter/editorial) | | COBALT-NICKEL-ARSENIDE-(GOLD) ORES, BOU AZZER, ANTI-ATLAS, MOROCCO: Re-Os, Sm-Nd, AND U-Pb AGE DETERMINATIONS THOMAS...Casablanca, Lot. Elhamra Nr. 235, Marrakech - 40 000, Morocco Abstract The age of the hydrothermal Co-Ni-As-(Au)...Hercynian orogeny. Introduction The Anti-Atlas of Morocco hosts a large number and variety (Au, Ag, Cu, Co...Azzer-El Graara inlier (Fig. 1) of the Anti-Atlas in Morocco represents a geological window (“inlier” or “boutonnière”)...stretching for about 40 km from Tarouni in the west to Aït Ahmane in the east. Major ore minerals are skutterudite |  | | Journal (article/letter/editorial) | | Co-Ni Arsenide Ores of Bou Azzer, Anti-Atlas, Morocco AHMED HASSAN AHMED,†,* Department of Geology, Helwan...University, Agadir, Morocco Abstract The Co-Ni arsenide ore deposits at Bou Azzer, Morocco, represent an uncommon...sulfide minerals present in Bou Azzer ores. Gold-silver alloys, with about 15 wt percent Ag on average...ophiolite-hosted Co-Ni arsenide deposits at Bou Azzer, Morocco (Leblanc and Fischer, 1990; Wilde et al., 2002;...2003). The Bou Azzer mining district in southern Morocco of the central Anti-Atlas mountain belt is one |  | | Journal (article/letter/editorial) | | 4.3 cm high, from shaft IX, Touissit, Oujda, Morocco; mined ca. 1995. Jeff Scovil photo. Figure 3 (above...photo. Figure 4 (top right). Silver, 12 cm high, from Imiter, AntiAtlas, Morocco; mined ca. 1990. Jordi Deusedes...Taouz, Er Rachidia, Morocco; mined 2003. Jeff Scovil photo. Figure 8 (right). Silver, 4.7 cm high, from...Azurite, 4.6 cm high, from Kerrouchen, Khénifra, Morocco; mined 2007. Jeff Scovil photo. Figure 10 (left)...malachite, 9 cm wide, from shaft IX, Touissit, Oujda, Morocco; mined 1999. Jeff Scovil photo. Figure 11 (above) |  | | Journal (issue) | | geographically tiny St. Andreasberg District of silver mines has an outsized reputation: it is among the...of pyrargyrite, dyscrasite, stephanite and other silver minerals as well as wonderful calcite, fluorite... löllingite, silver, antimony and arsenic, and in 1908 the type specimens of the silver-manganese sulfosalt...including the Brocken, is placid and bucolic—a region, as Bancroft (1984) puts it, “of beauty: gently...May–June, 2017 Figure 2. Location of the major silver mining districts in Germany. 303 achievements |  | Triantafyllou, Antoine, Berger, Julien, Baele, Jean-Marc, Mattielli, Nadine, Ducea, Mihai N., Sterckx, Sarane, Samson, Scott, Hodel, Florent, Ennih, Nasser (2020) Episodic magmatism during the growth of a Neoproterozoic oceanic arc (Anti-Atlas, Morocco) Precambrian Research, 339. 105610 doi:10.1016/j.precamres.2020.105610 | Journal (article/letter/editorial) | | growth of a Neoproterozoic oceanic arc (AntiAtlas, Morocco) Antoine Triantafyllou, Julien Berger, Jean-Marc...growth of a Neoproterozoic oceanic arc (Anti-Atlas, Morocco), Precambrian Research (2020), doi: https://doi...growth of a Neoproterozoic oceanic arc (Anti-Atlas, Morocco) Antoine Triantafyllou1, 2, Julien Berger3, Jean-Marc...Université Chouaïb Doukkali, 24000 El Jadida, Morocco. 1 Abstract We present an integrated study combining...Pan-African belt exposed in the Anti-Atlas orogen, Morocco. Although the kinematics and geometry of the subduction |  | 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) | | is situated around the “Silberberg” (German for “silver-mountain”), the present study investigates the...of the Wittichen mining area in the intersection region of the fault systems Elztal fault– Swabian lineament...generation, small skutterudite aggregates and native silver inclusions of <1 μm in size render the barite partly...(1785) reported that the largest amounts of native silver were found in altered granite without gangue minerals...breithauptite (up to 21 wt.% As). Native elements (silver, bismuth, arsenic) The main impurities of the investigated |  | | Journal (issue) | | “European Gold” (1982) “German Silver: An Historical Perspective on Silver Mining in Germany” (1986) and...Consequently the authors (CC and AB) traveled to the region in June 2017 and March 2018 to tour the various...Bellin (1755), including the region now known as the Eastern Pegmatite Province. Just below the center can...waters of the Saçuí River in the gem-producing region around the current Governador Valadares and the...District, is located in the Eastern Pegmatite Province of Brazil (Paiva, 1946). The area can be reached |  | | Journal (article/letter/editorial) | | sediment-hosted Cu-Co mineralization in the Kunene Region, northwestern Namibia. The DOF is hosted in Neoproterozoic...Salzburg and Tyrol is part of the molybdenum ore province Zentralgneis Supersuite in the Tauernfenster....edge (~2.85 Å) is slightly shorter than in native silver but larger than the M―M distance in the [Ag2Hg2]...formation of Bad Gleichenberg, localized in the eastern region of the Styrian Basin, is one of the less well studied...No.229, North Taibai Road, Xi'an City, Shaanxi Province, China e-mail: nils.frank@edu.uni-graz.at 1 2 |  | | Book | | of Earth Sciences Mohammed Ist University Oujda Morocco ISSN 2365-0559 Mineral Resource Reviews ISBN 978-3-319-31731-1...data on diverse types of metallic deposits in Morocco, Algeria, Tunisia, Mali, Mauritania, Egypt, Sudan...the setting and origin of major deposits in the region, together with information on tonnages and grades...(VHMS) copper-zinc-gold-silver, (4) sedimentary-exhalative (SEDEX) zinclead-silver, (5) orogenic and intrusion-related...containing nickel-cobalt-arsenic-silver-bismuth(-uranium), (12) epithermal gold-silver, (13) skarn and replacement |  | | Conference Proceedings (Volume) | | containing 67 100 tonnes of copper, 51 700 tonnes of silver and 1,9 tonnes of gold. Photo: Olof Martinsson...of the Leon sediment hosted stratabound copper/silver deposit, NW Argentina .. ........................palaeo-hydrothermal fluids Kingsley Burlinson Gold-silver ratio as variability factor for epithermal deposits...part of Sweden’s oldest and most classical ore province, Bergslagen. Mining commenced in this area at...as exemplified by e.g. Boliden’s base-metal and silver mines at Garpenberg. Beside metals, that have been |
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Vein No. 53, Aït Ahmane, Tansifte Caïdat, Agdz Cercle, Zagora Province, Drâa-Tafilalet Region, Morocco