 | | Report (chapter) | | volcano-sedimentary formations of the westernmost High Atlas (Morocco): their place in the geodynamic evolution of the...Université Moulay-Ismail, B.P. 4010, Meknès, Morocco 3 Faculté des Sciences, Université Chouaı̈b...Chouaı̈b Doukhali, B.P. 20, 24000 El Jadida, Morocco Abstract: In the westernmost part of the High Atlas, two...Cambrian. The western High Atlas is a mountainous region composed of Neoproterozoic and Palaeozoic formations...have been suggested for the Ifri–Azegour formation (Ouazzani et al. 1998, 2001) (Fig. 2). However, this |  | | 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 |  | | Journal (issue) | | sewage sludge fertilizer application on Ray Grass (Morocco) …………………..…...... 51 Fernando Machado de MELLO...Chemistry of minerals from the Azegour skarn deposits, western High Atlas, Morocco ………….... 67 Alexandre Sylvio...No. 2, p. 1-4 CRYSTALLINE FORMATIONS IN CENTRAL REGION OF THE DNIESTER RIVER BASIN Valerian CIOBOTARU1*...Moldova; apopuiac@gmail.com. Abstract: In the central region of the Dniester River Basin – the NNE part of the...discussion. Crystalline basement formations from central region of Dniester River basin are constituted of rocks |  | | Report (chapter) | | Department de Géologie, BP. 20, 24 000, El Jadida, Morocco (e-mail: ezzouhairi_hassan@yahoo.fr) 2 INETI—Área...southwestern side (Kerdous region) and northeastern side (Ouarzazate-Agdz region), interbedded in the Early...spread later to the Western High Atlas of the Morocco northern WAC outboard areas. This magmatism changes...(Choubert 1963; Charlot 1982; Ait Malek et al. 1998; Walsh et al. 2002) crops out, with a Neoproterozoic...by the Pan-African orogeny (Clauer 1976; Clauer et al. 1982); on the northeastern side of the AAMF the |  | Mbissik, Aaron, Elghali, Abdellatif, Ouabid, Muhammad, Raji, Otmane, Bodinier, Jean-Louis, El Messbahi, Hicham (2021) Alkali-Hydrothermal Treatment of K-Rich Igneous Rocks for Their Direct Use as Potassic Fertilizers. Minerals, 11 (2) 140 doi:10.3390/min11020140 | Journal (article/letter/editorial) | | Mohammed VI Polytechnic University, Benguerir 43150, Morocco; herve.mbissik@um6p.ma (A.M.); muhammad.ouabid@um6p...Abdallah University, B.P. 1223 Taza-Gare, Taza, Morocco; h.geo@hotmail.fr Correspondence: Abdellatif.ELGHALI@um6p...Tamazeght, Jbel Boho, Ait Saoun, and El Glo’a regions (Morocco) were sampled and characterized. Then they were...by microcline (up to 74%), orthoclase (20–68%), albite (36–57%), biotitemuscovite (15–23%), and titanite...CO3 [13,32–34]. For instance, Liu et al. (2019b) and Wang et al. (2018) studied the recovery of potassium |  | Ouabid, Muhammad, Garrido, Carlos J., Ouali, Houssa, Harvey, Jason, Hidas, Károly, Marchesi, Claudio, Acosta-Vigil, Antonio, Dautria, Jean-Marie, El Messbahi, Hicham, Román-Alpiste, Manuel J. (2021) Late Cadomian rifting of the NW Gondwana margin and the reworking of Precambrian crust – evidence from bimodal magmatism in the early Paleozoic Moroccan Meseta. International Geology Review, 63 (16) 2013-2036 doi:10.1080/00206814.2020.1818301 | Journal (article/letter/editorial) | | Mohammed VI Polytechnic University, Benguerir, Morocco; c Département De Géologie, Faculté Des Sciences...Sciences, Université Moulay Ismail, Zitoune, Meknès, Morocco; d School of Earth and Environment, University...Polydisciplinaire, Université Sidi Mohamed Ben Abdellah, Taza, Morocco ABSTRACT ARTICLE HISTORY The Meseta Goaïda magmatism...Thomas et al. 2002; Gasquet et al. 2005; Walsh et al. 2012; Hefferan et al. 2014; Triantafyllou et al. 2016;...2016; Ouabid et al. 2017; Letsch et al. 2018; Soulaimani et al. 2018). Rifting of the Gondwana supercontinent |  | | Book | | Courtesy M. Ihmadi (Ihmadi Trilobite Center, Alnif, Morocco) André Michard · Omar Saddiqi · Ahmed Chalouan...(Eds.) Continental Evolution: The Geology of Morocco Structure, Stratigraphy, and Tectonics of the ...Faculty of Sciences B.P. 5366 Maârif Casablanca Morocco o.saddiqi@fsac.ac ma Prof. Dr. Ahmed Chalouan...University avenue Ibn Batouta Rabat B.P. 1014 Morocco chalouan@fsr.ac.ma Prof. Dr. Dominique Frizon...including the major Pan-African and Variscan cycles, Morocco has always been characterized by intense mining |  | | 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 |  | | Report (chapter) | | volcanism onlapping the western Saghro inlier, Morocco J. JAVIER ÁLVARO1,2, MÉLINA MACOUIN3, HASSAN...Université Chouaib Doukkali, 24000 El Jadida, Morocco 5 INETI—Area de Geociências, Estrada da Portela...transition onlapping the western Saghro inlier, Morocco. Sedimentation of the ‘Calcaires inférieurs’ was...shelly–metazoan and thromboid consortia (Álvaro et al. 2006a), which led in the Moroccan Souss Basin to...Neoproterozoic –Cambrian transition in the Souss Basin (Morocco) was the configuration of a basement inherited |  | | Journal (volume) | | POTASSIUM 52 53 59 THE ASSEMBLY POTASH FELDSPAR WITH ALBITE . . . . . . . . . . . . . . •. PALINGENIC OR...per cent or more of the normative constituents, albite orthoclase quartz, and which occupy the central...appears a very distinct maximum at about one-third albite one-third orthoclase one-third quartz. Within the...among the Alpine granites. Also the pure microcline-albite granites, which are very wide-spread among the...flow, the most diffusive constituents (K, Na, Si, Al, etc.) would tend fo concentrate in the low-pressure |  | | 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 |  | | Journal (volume) | | .. .. .. The assembly of potasb feldspar with albite . ......................... Microcline or orthoclase...per cent or more of the normative constituents, albite orthoelase quartz, and which occupy the central...appears a very distinct maximum at about one-third albite one-third ortoelase one-third quartz. Within the...among the Alpine granites. Also the pure microcline-albite granites, which are very wide-spread among the...on a small scale in the laboratory. Sudovikov cl al. (1965) ascribed the formation of porphyroblastic |  | | Book | | were emplaced between 2000 and 1700 Ma (Vachette et al. 1975). These intrusions mark the end of the crustal...studied in Mauritania Adrar (Trompette 1973; Bronner et al. 1980). However, the borders of the basin were tectonized...the Da- homeyide orogen (Affaton 1975; Affaton et al. 1980). Finally, the Bove basin in Guinea (Villeneuve...postulated in South America (Brazilian belt, Lesquer et al. 1984). The Pharusian-Dahomeyide orogens are interpreted...oceanic closure and collision around 600 Ma (Black et al. 1979) between the West African passive margin and |  | | Book | | microcline, or a plagioclase close to the composition of albite. In general a soda-lime plagioclase is also present...remarkable isomorphic soda-lime series ranging from albite, NaA1Si3 O 8 , to anorthite, CaAl 2 SiaO8 • Traditionally...proportions of the mixture of albite and anorthite: · Per cent anorthite 0-10 Albite: 10-30 Oligoclase: 30-50...often sodic, containing, in molecular proportions, albite up to 40%, but generally in the range of 15-20%...angle, 2V, increases from 35°700 as the content of albite varies from 0-40%. Soclic microclines of similar |  | | Book | | deals with Egypt, Libya, Algeria, Tunisia and Morocco. In great detail the geology, tectonic elements...1 1.2 1.3 1.4 1.5 Egypt Libya Algeria Tunisia Morocco TECTONIC FRAMEWORK OF NORTH AFRICA 2 Northeast...Mountains Western High Atlas Argana Basin Souss Basin Haouz Basin 4.7.1 Tectonic history of the Meseta Domain...(Cenomanian-Santonian) of Sinai and the Gulf of Suez region 7.5.2.2 Cenomanian-Santonian of the central Nile...area 8.2.3 Miocene of the Gulf of Suez and Red Sea region 9 Tertiary-Quaternary 9.1 Pliocene-Pleistocene | | | Book | | microcline, or a plagioclase close to the composition of albite. In general a soda-lime plagioclase is also present...remarkable isomorphic soda-lime series ranging from albite, NaAlSi308, to anorthite, CaAl2Si2Og. Traditionally...proportions of the mixture of albite and anorthite : Per cent anorthite Albite: 0-10 Oligoclase: 10-30 Andesine...often sodic, containing, in molecular proportions, albite up to 40%, but generally ha the range of 15-20%...angle, 2V, increases from 35°70° as the content of albite varies from 0-40%. Sodic microclines of similar |  | | Journal (article/letter/editorial) | | into four NW–SE-trending metamorphic zones (Elter et al., 2004, 2010), which show an increase in metamorphic...metamorphic grade MA toward the NE (Franceschelli et al., 2005). From SW to NE, the four zones are the External...Elter et al., 2010), and the TE D Axial Zone or High-Grade Metamorphic Complex (HGMC; Elter et al., 2010)...unconformity (the Sardic Unconformity; Carmignani et al., 1992, 1994 and references therein) that is also...in the Eastern Iberian Plate (Casas et al., 2010; Navidad et al., 2010). Beneath the Sardic Unconformity |  | | 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 |  | | 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...tuffs and slates intruded bY diorite porphyries and albite-rich intrusives. In the 1920's 'Zavarftskiy contended"...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 | | feldspar with al bite Single-fel dspar-perth ite-sepa rate grains The origin of albite . Myrn1ekite Microcline...192 194 CONTENTS lX Orthoclase-rnicrocline-albite Direction of granitization The aplitic granite...granites Microcline-oligoclase granites . Microcline-albite granites . Granitized microclioe-oligoclase granites...distinct maximum at about one-third albite+Quartz \ 0 y Albite v G ,, 09 Weight Percent ,, '(...concerned with granites at all. For instance, HATTORI et aL (1960) discussed the chemical composition of the |  | | 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 | | 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) | | , 1953, Beryllium deposits of the Mount Antero region, Chaffee County, Colorado: U.S. Geological Survey...A. L.» 1948, Tungsten mineralization at the Ima mine* Blue Wing district, Lemhi County, Idaho: Economic...Tertiary igneous rocks, eastern Basin and Range Province, western Utah, eastern Nevada, and vicinity, U...mineral resources of a portion of the Silver City region, Owyhee County, Idaho: Idaho Bureau of tfines and...uranium mineralization at the tfidniaht uranium mine, Stevens County, Washington: Cheney, Eastern Washington |  | | Book | | rocks (eg gabbro and basalt), comprising more SiO2 , Al 2O3 and CaO, are formed eg of feldspars, pyroxenes...colour, eg chlorite - green, azurite - azure blue, albite - white. Colours of other minerals have become...(302) - siderite (306) - rhodochrosite (304), or albite (493) - anorthite (498). They are called isomorphic...counterface. In all there are 32 crystal classes into which al I 21 Basic Axial cross parametres and (number...characteristic crystal forms C tricltn ic (2) albite kyanite gypsum realgar chalcanthite sassolite | | | 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...colour, eg chlorite — green, azurite — azure blue, albite — white. Colours of other minerals have become...(302) — siderite (306) — rhodochrosite (304), or albite (493) — anorthite (498). They are called isomorphic...angles a*#+bFc triclinic (2) at p#y#90° ees HI albite kyanite chalcanthite sassolite rhodonite {_L/ |
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