| | 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...sulphide ores from three different deposits (Aghbar, Tamdrost and Aït-Ahmane mines) were studied focusing on...(21.4 wt.%) in rims of crystals included in chalcopyrite and CoO (up to 2.3 wt.%) concentrates in cores...skutterudite (CoAs3), all them from Aghbar mine. Chromian spinels from Tamdrost and Aït-Ahmane ores have much lower | | | Journal (issue) | Number Five Famous mineral localities: Bou Azzer, Morocco _______________________ avrea r gger Ait y ietrich...COVER ER THRITE crystal, 3 mm, from Bou Azzer, Morocco. G. Favreau collection; Robert Vernet photo. The...showing early mining methods, a case of antique mine lamps, worldwide uranium and rare earth ores, gold... e tem er cto er Calcite, 24.1 cm, Verchniy mine, Dalnegorsk, Russia. Jeff Scovil photo. Famous...given a name to the whole, very well-mineralized region thereabouts. The Bou Azzer mining district encompasses | | | Journal (article/letter/editorial) | to an Upper ProterozoicOphiolite: Bou Azzer (Morocco) MARC LEBLANC CentreGeologique et Geophysique...France AND PIERRE BILLAUD Mine de Bou Azzer, C.T.T., Marrakech, Morocco Abstract The Bou Azzer cobaltdeposits...districtis the mostimportant one of the Anti-Atlas (Morocco).Worked since 1950, it has produced to date more...metamorphicaureoleof a COBALTARSENIDEOREBODIES,MOROCCO basicdike on the continentalmargin (Clauer, 1976)...discrete chromite-and sulfide-richhorizonwith chalcopyrite, bornite,Co pentlandite,linnaeite,and millerite | | | Journal (article/letter/editorial) | THE COBALT ARSENIDE ORES OF THE BOU AZZER AREA, MOROCCO G. A. Krutov , N. P. Mikhaylov , B. V. Obraztsov...THE COBALT ARSENIDE ORES OF THE BOU AZZER AREA, MOROCCO, International Geology Review, 31:3, 306-316, DOI:...THE COBALT ARSENIDE ORES OF THE BOU AZZER AREA, MOROCCO Downloaded by [Northwestern University] at 09:26...Below, we give a brief geologic description of the region, using new data, particularly concerning the final...the nickel-cobalt deposits and prospects in the region are related to the latter. Stratified and intrusive | | | 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... an unidentified Cu-Zn sulfide, chalcocite, chalcopyrite, pyrite, pyrrhotite, sphalerite, and tetrahedrite...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 | | | Report (issue) | and recommendations for the cobalt mission to Morocco sponsored by The Trade and Development Program...and Development Program and the Government of Morocco This report is preliminary and has not been reviewed....................................... 18 SIROUA REGION COBALT OCCURRENCES ..............................ILLUSTRATIONS Figure 1. Index map of areas visited showing Morocco.................. 2a 2. Generalized setting of...AND RECOMMENDATIONS FOR THE COBALT MISSION TO MOROCCO SPONSORED BY THE TRADE AND DEVELOPMENT PROGRAM | | | Journal (article/letter/editorial) | 03:41 01 August 2012 Olivenite TSUMEB MINE, TSUMEB, OSHIKOTO REGION, NAMIBIA H ydrothermal copper deposits...mineralogy by copper-bearing sulfide minerals such as chalcopyrite. When these deposits are exposed to oxygen and...specimen of olivenite from the worldfamous Tsumeb mine in Namibia, where attempts at specimen mining have...secondary copper assemblages from the Black Pine mine in the Phillipsburg area of Granite County (Waisman...and Gibbs 1983; Anthony et al. 1995). At the 79 mine in Gila County, olivenite occurs as small, olive-green | | Brugger, J., Meisser, N., Krivovichev, S., Armbruster, T., Favreau, G. (2007) Mineralogy and crystal structure of bouazzerite from Bou Azzer, Anti-Atlas, Morocco: Bi-As-Fe nanoclusters containing Fe3+ in trigonal prismatic coordination. American Mineralogist, 92 (10) 1630-1639 doi:10.2138/am.2007.2508 | Journal (article/letter/editorial) | structure of bouazzerite from Bou Azzer, Anti-Atlas, Morocco: Bi-As-Fe nanoclusters containing Fe3+ in trigonal...the Bou Azzer mine, Anti-Atlas, Morocco. Bouazzerite is associated with quartz, chalcopyrite, native gold...hydrothermal As-Co-Ni-Ag-Au vein. The Bou Azzer mine and the similarly named district have produced many...trigonal prismatic coordination, Bou Azzer province, Anti-Atlas, Morocco INTRODUCTION The oxidation of polymetallic...Mg-Fe-Bi-arsenate from the Bou Azzer mine, Anti Atlas, Morocco. The mineral is remarkable because it | | | Report (issue) | Fuster sur les vulcanites du Rif nord-oriental (province volcanique de la Guelaya), dont l'un représente...identique apparaît aussi dans la boutonnière de Tamdrost (El-Graara occinental). Les granites de la èoutonnière...taphlite, autunite, grenats, mispickel, oligiste et chalcopyrite, sans compter le quartz laiteux massif, les...moyen, des gneiss à grain fin, etc ... Dans la region, il y a des migmatites homogènes et hétérogènes...sédimentation. Les échantillons é:tudiés proviennent de la mine de N'Kob (coll. G. Choubert). Sur la piste de N'Kob | | El Ghorfi, Mustapha, Oberthür, Thomas, Melcher, Frank, Lüders, Volker, El Boukhari, Abdelmajid, Maacha, Lhou, Ziadi, Rachid, Baoutoul, Hssain (2006) Gold–palladium mineralization at Bleïda Far West, Bou Azzer–El Graara Inlier, Anti-Atlas, Morocco. Mineralium Deposita, 41 (6) 549-564 doi:10.1007/s00126-006-0077-3 | Journal (article/letter/editorial) | West, Bou Azzer–El Graara Inlier, Anti-Atlas, Morocco Received: 20 December 2005 / Accepted: 12 June...group minerals . Bleïda Far West . Anti-Atlas . Morocco Introduction Editorial handling: B. Lehmann M...of Geology, University Cadi Ayyad, Marrakech, Morocco e-mail: must_elghorfi@yahoo.fr V. Lüders Geoforschungszentrum...Fassi, Marrakech, Morocco The Bou Azzer–El Graara inlier of the Anti-Atlas in Morocco is well-known for...mineralization some 7 km NW of the former Bleïda copper mine. Managem, a subsidiary of the ONA group, intends | | | Journal (issue) | mines, Kalahari Manganese Field, Northern Cape Province, South Africa ..................................crystals on matrix, 17.2 cm, from the N’Chwaning I mine, collected in 1978. Private collection and photographer...Show and Riverpark Inn Rhodochrosite, Sweet Home Mine, USA, 10 cm Photo: Malte Sickinger MARCUS BUDIL...budil-minerals.com Chrysocolla on Malachite Mashamba West Mine Democratic Republic of Congo 26 cm - Joe Budd Photo...mineral shows worldwide! Rhodochrosite - Sweet Home Mine, Colorado - 13cm | Brazilianite - Minas Gerais, | | 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) | clusters in the Central Asia region, western Mongolia, and northwestern Africa (Morocco), we systematically analyzed...the following deposits: Khovu-Aksy (Central Tuva region), calcareous skarns with Co sulfoarsenides, 368–383...structural–material complexes of Western Sayan region, Tuva, Gorny Altai, and northwestern Mongolia:...material Baikalides complexes of Eastern Sayan region and Khamardaban–Sangilen–Tarbagatai fold–block...intrusions and carbonatite deposits (Ulatai-Choza region), whose absolute age GEOLOGY OF ORE DEPOSITS | | | Report (issue) | • Former French Equatorial African Provinces . Morocco • • • • • • • • Cuba .. • • • • • • • • Dominican...Kolwezi concentrator, Katanga Cobalt mining areas of Morocco . . . . Mines, treatment plants and occurrences...Selection Trust Ltd.; Rhokana Corporation Ltd.; Rhoanglo Mine Services Ltd.; Anglo-American Corporation of South...States second. Ores of this metal are also mined in Morocco, the deposit there being almost the only currently...000 250,000 FOREIGN COUNTRIES 670,000 Katanga Morocco Cuba United States Philippines 10,000 900,000 | | | Book | convert, refine and treat whatever you want to mine. From the initial evaluation and planning to the...Lebanon 29 31 8 Libya 32 35 9 10 Mauritania Morocco 11 12 Saudi Arabia Somalia 13. Sudan 9 36...Solomon's mines are nothing but an ancient copper mine exploited by the ancient Egyptians. A temple dedicated...Emirate Republic Kuwait Beirut Libya Mauritania Morocco Oman* Republic Republic Kingdom Sultanate Tarablus...important in locating mineral deposits. Every gold mine presently known in Egypt was operated thousands | | | Journal (issue) | samsonite emerged from just two pockets in the Samson mine. St. Andreasberg is also known for its fine specimens...including the Brocken, is placid and bucolic—a region, as Bancroft (1984) puts it, “of beauty: gently...in the St. Andreasberg District’s renowned Samson mine ceased in 1910, but in 1950 the Samson Pit Mining...taken on mine tours from there. And since 2001 the Harz Roller Canary Museum, at the Samson mine pithead...discoveries of ore in a (then) nearly untapped region of the Harz Mountains. The mineral-rich hill was | | | 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...lead-zinc-silver deposits of the Tighza district of Morocco, proposing links to granite-related porphyry and...Zgounder epithermal silver-mercury deposit of Morocco, providing evidence for a genetic tie to Neoproterozoic | | | Book (edition) | Linopolis, Brazil, H Page 13: Gold, 35 mm.Eagle's est Mine, California, G Publi!>hed by Grdllit.u.o. Stefanikova43...expressed in abbreviations: Rep. (republic), prov. (province), co. (county), munic. (municipio), pref. (prefecture)...abbreviated, e.g. canton (Switzerland), vilayet (Turkey), region (Chile), kray and oblast (Russia). The country...rich Katanga province was renamed Shaba by Mobutu, and is now the Katanga administrative region again. The...The former Kivu province is now divided to three regions: INTRODUCTION Nord-Kivu, Sud-Kivu, and Maniema | | | Book (volume) | cm1 is called the fingerprint region. Usually IR spectrum in this region contains very complicated series...overlapping bands. The importance of the fingerprint region is that each mineral species produces a different...500 to 800 cm1 can be considered as “fingerprint region” sensitive to the composition and the topological...see Fig. 1.9), but generally IR spectrum in this region is characteristic of all these minerals. In IR...Lavrion, Greece (6) and Cu-poor adamite from Ojuela mine, Mexico (7) IR spectra of acid salts (silicates |
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