 | | 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)...serpentinite The postobductionevolution in contact contains talc, chlorite, and carbonates. After the intrusionof |  | | 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) | | 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...skutterudite (CoAs3), all them from Aghbar mine. Chromian spinels from Tamdrost and Aït-Ahmane ores have much lower...deposit . . . . . . . . . . . . . . . . . 6.2. Tamdrost deposit . . . . . . . . . . . . . . . . 6.3. Aït-Ahmane |  | | 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) | | 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...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...central part of the AntiAtlas Mountains of southern Morocco within the saddleshaped ridge of Bou Azzer-El Graara |  | | 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 |  | | 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...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...Hindermeyer a observées dans la zone dite « de la Mine Ayoz ». Outre les rhyolites calco-alcalines, on |  | | 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 |  | 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 |  | | 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 |  | | 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 | | 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 | | Trimouns quarry, Luzenac, Ariege. Operated for talc since the beginning of the 20th century, the Trimouns...crystalline talc. Easily the best extant crystal, a doubly terminated floater found in a talc vug in 1997...localities for good ilmenite crystals exist in the region (Brunet, I 977b ). NEW YORK Amity, Orange County...2013). MALAWI Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series...Springfield show ( 1995: 582). Madawaska [Faraday] mine near Bow Lake, Hastings County. Some of the world's |  | | Book (edition) | | Linopolis, Brazil, H Page 13: Gold, 35 mm.Eagle's est Mine, California, G Publi!>hed by Grdllit.u.o. Stefanikova43...reflected light (e.g. micas). or flexible (e.g. talc) minerals. In crystal optics for reflected light...ability of a mineral to scratch another one: 1 - talc, 2 - relative ability of an opaque mineral to reflect...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 |  | | 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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