 | | Journal (article/letter/editorial) | | at occurrence scale. For example, in the Azegour skarn (Morocco) the δ98MoNIST varies from -0.60 to 0.42‰...transition metals such as Fe, Cu, and Zn (Zhu et al., 2002). Moisotope applications were mainly developed...in oceans MA (Barling et al., 2001; Siebert et al., 2003; Arnold et al., 2004), and for investigating...Markl et al., 2006; TE Borrok et al., 2008; Mathur et al. 2013; Mo isotopes: Neubert et al., 2011; Chappaz...Chappaz et al., 2012; Lane CE P et al., 2013). Molybdenum is used for alloying steel to increase strength |  | | 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...spelling has been used: Abu instead of Abou, Bou Al instead of El Gabal instead of Jebel, Gebel, Djebel...Dhahab; Hofrat An Nahas has been changed to Hofrat Al Nahas, etc. MINERAL RESOURCES OF THE ARAB COUNTRIES...Solomon's mines are nothing but an ancient copper mine exploited by the ancient Egyptians. A temple dedicated |  | | 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) | | high concentrations of Co (up to 34,400 mg/L in mine water, 14,165 mg/kg in tailings, 21,134 mg/kg in...have been documented. Co is contained in ore and mine waste in a wide variety of primary (e.g., cobaltite...Hudson-Edwards, K.A. Geochemistry, Keywords: cobalt; mine waste; tailings; erythrite; heterogenite; biogeochemistry...mobility within tailings, soils, smelter waste, and mine waters [10–12]. This paper will review the geochemistry...the major controls on Co uptake and mobility in mine-affected waters, soils, sediments, plants, minerals |  | | Journal (article/letter/editorial) | | geographicalareas(e.g.Marmadov, 1965;Vorma et al., 1966;Khurshudyan et al., 1969), but may give a general idea...chalcopyrite (Wright, 1915). 2Hr U.S.N.M.96611\ Santa Niio Mine, Patagonia Mts., 2Ht U.S.N.M. 9749U Santa Cruz Co...Chalcopyrite is found in massive ore (Kirkemo et al.. 1965,pp. 14-16). U.S.N.M. 97990 Mojave Co., Arizona...about this specimen Harvardunnumbered Kenawyer Mine, King's River Catryon, Fresno Co., Calif. 2Ht ...moll'bdenite are known from this region. Tbis specimen is probabiy from the Alpine Mine, south of Lake Tahoe, where |  | | Book | | accompañan han sido preparadas con objeto de auxiliar al geólogo economista en los estudios de depósitos minerales...material impreso es disponible con objeto de permitir al estudiante de depósitos de mineral, obtener un claro...grupo de notas debe servir para presentar al estudiante, el grupo al cual el deposito pertence asi como también...deposits by continents and countries is as follows: Morocco 3 Nigeria 1 Rhodesia 4 South Africa 20 South West...University Park, PA 16802 30 June 1975 AFRICA MOROCCO AZEGOVR Late Paleozoic Molybdenum^ Tungsten, Copper |  | | Journal (issue) | | ....................... MOLYBDENITE IN FRENCH MOROCCO ............................................................................. (OBALT LN FRENCH MOROCCO .................................................other states. These must be donated, however. st al a1 tl "Cl Garnets Seven Miles From West Chester...the vein on Garnet Hill was opened as a scheelite mine and it wac; in one of the cuts, along seams and...minerals are well known, as well as are their optir al and physical differences. It is entirely Are there |  | | Book | | _- _ ·. -· . . ... . . .: ; lnif li .. Asni Azegour • • Beni-Tajjite Blefda · · • Bou Azz.er .- =...marokkanischen ses Buches die äußerst mineralreiche Region in Nordafrika nicht wiedergeben. Mineralien aus...heiß auf Mineralien! Als erstes Ziel peilen wir Amizmiz an, etwa 50 km südlich von Marrakech am Fuße des...sind in der Michelin-Karte die Kupfergrube von Azegour und die Blei-ZinkGrube von Erdouz verzeichnet....fal sch verstanden habe? In Amizmiz sagt man uns, dass die Gruben von Azegour nicht mehr im Betrieb sind |  | | Journal (article/letter/editorial) | | Raipas ore indicate considerable replacement by bornite along the internal fractures, though not at the...series. The mineral from the nowexhausted Raipas mine was shown to be a siegenite, while that from the..."linnaeite" from specimens of ore from the Flaat nickel mine in the F.vje district of Setersdalen on the basis...Geological features of the d e p o s i t s The Raipas mine and the Borras prospect both lie at about the same...in the southern part of the area. At the Raipas mine the ore was located in breccia zones which intersect |  | | Report (issue) | | granitiques (Zaër, Oulmès, Ment, Alouana, Zekkara, Azgour, Azguemerzi, Tazenakht, etc.), ont été les mieux...métamorphisme régional et de contad) dans les emirons d' Azgour ; H. & G. Termier firent paraître, dans une série...Fuster sur les vulcanites du Rif nord-oriental (province volcanique de la Guelaya), dont l'un représente...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 |  | | Journal (article/letter/editorial) | | stratigraphic sequence of Precambrian rocks of the region is favorable for the formation of thick highgrade...with copper. Further subdivision is by geological province. The important mineral belts of Kazakhstan and...molybdenite. These are cut by chalcopyrite and bornite veinlets, which are cut in turn by galena, sphalerite...mining began to develop in the Urals, Karelia Tula region, and Khoper River valley. A little later exploitation...geologists, prospectors vi ORE DEPOSITS •••• n al". (0 = 01 Downloaded by [York University Libraries] |  | | 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 | | Chalcocite Gold Red/brown Pink/purple/violet Bornite, copper Bornite, copper Blue Tetrahedrite Green Yellow...their recognition by other features. Pyrite and bornite are especially susceptible to anomalous effects...within it. Samples which have been collected in a mine or open pit exhibit more abundant reflections as...(cont’d) Reflectance 420 nm M ineral max. Covellite Bornite Magnetite Ilmenite Graphite Wolframite Sphalerite...Mean Range Argentite Arsenopyrite Bismuthinite Bornite Boulangerite Cassiterite Chalcocite Chalcopyrite |  | | Book | | colleagues. The fine book by B E T E C H T I N et al. unfortunately appeared only after my manuscript...places of extreme differentiation (e.g., at the Frood Mine and at Insizwa) bismuth and tellurium minerals are...the process. The peculiar bornite occurrences in the Ookiep area, Cape Province, are on one hand typical...(1940). 12 T H E ORE MINERALS FIG. 4 80 X Mouat Mine, Stillwater Valley, Montana RAMDOHR From a border...("solutions", "melts", and " v a p o r s ' " in this region are not sharply distinguishable). However, this |  | | Book | | works in this area, e.g., George, 1949; Palache et al. , 1944, 1951; Frondel and Fleischer, 1955. Throughout.... . . . . . . . . . . . . . . Basin and Range Province . . . . . . . . . . . . . . . . . . . . . . ....at a lower limit of about 1,000 ppm (McKelvey et al., 1955) , deposits are markedly en1ichecl over ordinary...Uranium X2(2a4 Pa) forms, ~Y iso1ne~ic tra_nsiLion, al~o ura1~iu1n Z( 234 PaJ. lt is a 23 1 ,e--em itter...emanation, Thoron l Thorium A 0.158 s "-'100% 0.013% al Thorium B 10.6 b Astatine 'II a t 212Bi Thorium |  | | Report (issue) | | Poland Spain Union of Soviet Socialist Republics Morocco Republic of South Africa Republic of the Sudan...wollastonite zone, Lappeenranta ·. IV 1. Fox Knoll Mine, Willsboro, New York 2. Wollastonite processing...conditions of high humidity such as obtain in the mine (see Plate IV, fig. 1). It is believed that underground...the processing plant, just over one mile from the mine, is completely mechanised throughout (see Plate...1 t GARNET AND DIOPSIDE \ll ATTRITION MILL '1, Al R SEP ARA TO RS Fig. J. WOLLASTONITE WOLLASTONITE |  | | Book | | granitic types in South East Asia (China), Xu Keqin et al. (1982) recognized that certain granitic rock types...lithophile elements were abundant (in addition to Al, Si and the metallic A and C elements, already mentioned)...of the granite-gneissic Precambrian rocks of the region and of manganese mobilized by leaching of basalts...controlled by the structurally superimposed unwrapping region. This engendered the decisive conditions in the...granitized material itself. The wide country rock-region may in many cases be a significant contributor |  | | Journal (issue) | | in each caption: Tămaș-Bădescu (2010), Ciobanu et al. (2004) and Wollmann (2010). 1. Brief History The...belonged to mining companies based in the Brad region. Today, it is owned by S.C. “MINVEST” S.A. Deva...more than 2000 year old mining activity in the region. 2. Collections and exhibitions The expositional...(about 80% of the specimens originate in the Brad region, especially Musariu and Brădişor deposits). The...metal gold pans, as well as a replica of the famous mine carriage which is considered to be the oldest of |  | | Book | | rocks (eg gabbro and basalt), comprising more SiO2 , Al 2O3 and CaO, are formed eg of feldspars, pyroxenes...they give rise to new sulphides (eg chalcosine, bornite and covellite). Products of chemical weathering...minerals of metallic lustre, such as chalcopyrite or bornite, as a result of oxidation of their surface. Asterism...counterface. In all there are 32 crystal classes into which al I 21 Basic Axial cross parametres and (number...deposits in Texas and Louisiana (USA), Tarnobrzeg region and Mach6w (Poland), Karakum Desert and Volgaland |  | | Journal (article/letter/editorial) | | Contaminant geochemistry and migration in three different mine sites in Finland – Comparison of anthropogenic and...geochemistry and transport in soil at three different mine sites in Finland: Suurikuusikko, Siilinjärvi and...harmful elements in mine wastes and waters must be considered in risk assessment of mine sites. When evaluating...the environmental effects of mines. [1] Amend et al. (2011) GCA 75, 5736 - 5748. DOI:10.1180/minmag...crystalline microbial !-MnO2 described by Villalobos et al. [1]. However, the origin of the birnessite in Priddy | | | Book | | illustrated Encyclopedi of the World’s Rocks and Mine re L A R E N MI OF THE WORLD Rudolf Duda and...(eg gabbro and basalt), comprising more SiO,, Al,O, and CaO, are formed eg of feldspars, pyroxenes...they give rise to new sulphides (eg chalcosine, bornite and covellite). Products of chemical weathering...minerals of metallic lustre, such as chalcopyrite or bornite, as a result of oxidation of their surface. Asterism...deposits in Texas and Louisiana (USA), Tarnobrzeg region and Machow (Poland), Karakum Desert and Volgaland |  | | Book | | Keweenaw area of north Michigan; at the Copper Queen mine, Bisbee, Arizona and at Georgetown, New Mexico....areas including Kimberley, Pretoria (the Premier mine is in this area), and Jagersfontein in the Orange...Localities. Lead is found in Sweden at the Harstig mine, Pajsberg; from the gold placers of the Ural Mountains...several localities in Chile, and from the Mohawk mine, Keweenaw County, Michigan; also from Lake Superior...ETC Right: Chalcocite from Cornwall Far right: Bornite from Carn Brea, Cornwall 91 °C. The colour is |  | | Book | | reasons for the approach taken Mineral deposit or mine? A genetic model as the basis for exploration The...many geologists who have given their time during mine visits and responded to our queries. We have benefited...Decline Doline A downward inclined tunnel into a mine or potential ore body. A funnel-shaped depression...shaft excavated upwards for connecting levels in a mine or ore body. Ripping The removal of overburden...of the problems which face the mine geologist. The function of the mine geologist varies considerably |  | | Book | | 1-Ioggar . . . . . . Eglab, Yetti and Reguibat. Morocco . . . . . . . . . Niauritania and Spanish Sahara... Sketch 1nap of Rio de Oro-Reguibat-Dra-South Morocco. T,vo sections through the Dutch coal mining district...Western Desert of Egypt, Libya, Algeria and South Morocco. The data on the Western Desert, Libya and South...age determinations exist of the Pre-Cambrian in Morocco as a whole. Here, too, great variations in age...determinations is programmed. W. R. Muelberger et al. reported on this in Vol. 51/12 of the A. A. P. G |  | | Book (edition) | | maintain ore reserves, and in the proper location of mine workings to avoid caving ground. In the future he...descriptions. He also tells us that Hannibal had a silver mine, named the Baebulo, in southern Spain, in a mountain...several ore minerals of copper, such as chalcocite, bornite, chalcopyrite, cuprite, native copper, and malachite;...Magnetite Hematite “ Limonite ” Siderite Native copper Bornite Brochantite Chalcocite Chalcopyrite Covellite Cuprite...amount of gold. For example, the Alaska Juneau gold mine mined with profit ores that contained only 0.00016 |
|
