 | Álvaro, J. Javier, Ezzouhairi, Hassan, Ayad, Nouredine Ait, Charif, Abdelmounim, Solá, Rita, Ribeiro, M. Luisa (2010) Alkaline lake systems with stromatolitic shorelines in the Ediacaran volcanosedimentary Ouarzazate Supergroup, Anti-Atlas, Morocco. Precambrian Research, 179 (1) 22-36 doi:10.1016/j.precamres.2010.02.009 | Journal (article/letter/editorial) | | volcanosedimentary Ouarzazate Supergroup, Anti-Atlas, Morocco J. Javier Álvaro a,∗ , Hassan Ezzouhairi b , Nouredine...Université Chouaib Doukkali, 24000 El Jadida, Morocco c INETI -Area de Geociências, Estrada da Portela...the Zenaga and Saghro inliers of the Anti-Atlas, Morocco, the Ediacaran Ouarzazate volcanosedimentary Supergroup...reserved. 1. Introduction In the Atlas Mountains, Morocco, the northern limit of the West African craton...subdivision has been recently applied to the Bas Drâa, Bou Azzer, Kerdous, Sirwa, and Zenaga inliers (Fig |  | | Report (issue) | | = 11.91(1) Z=8 X-ray Powder Pattern: Tachgagalt mine, Morocco. 2.75 (vvs), 2.516 (vs), 4.37 (s), 3.09...35.45 2.56 7.85 0.08 Total 99.87 (1) Tachgagalt mine, Morocco; corresponds to Ca2:97 (Mn3+ 1:48 Al0:54...other minerals in a manganese ore deposit (Tachgagalt mine, Morocco). Association: Marokite, hausmannite,...gaudefroyite, calcite (Tachgagalt mine, Morocco); hausmannite, manganite, hematite, calcite, barite, andradite...andradite (N'Chwaning mine, South Africa). Distribution: In the Tachgagalt manganese mine, Anti-Atlas Mountains |  | | Report (issue) | | c = 5.891(1) Z=2 X-ray Powder Pattern: Tachgagalt, Morocco. 2.95 (FF), 2.62 (FF), 2.46 (FF), 9.1 (F)...0.07 0.02 0.01 0.61 99.92 100.17 (1) Tachgagalt, Morocco; H2 O by the Penfield method, includes pyrolusite...(CO3 )0.95 [O2.78 (OH)0.22 ]Σ=3.00 . (2) Wessels mine, South Africa; by electron microprobe, corresponding...crednerite, pyrolusite, calcite, quartz, brucite (Tachgagalt, Morocco); barite, calcite, hydrogrossular, manganite... hausmannite, hematite (Kuruman district, South Africa). Distribution: From Tachgagalt, 17 km south-southwest |  | | Journal (article/letter/editorial) | | Cu2[BO(OH)2](OH)3, a new mineral from the Tachgagalt mine, Morocco: Description and crystal structure ANTHONY...8 Å3, Z = 4, is a new mineral from the Tachgagalt mine, Morocco. The strongest eight lines of the X-ray...French Territories) who worked extensively in Morocco. Dr. Dietrich discovered the new mineral. The crystal...mineral, crystal structure, copper, borate, Tachgagalt (Morocco). Introduction In the early 1960’s Pascal...manganese mine at Tachgagalt (17 miles south of Ouarzazate, Anti-Atlas Mountains, Morocco) noticed an |  | | Journal (issue) | | gypsum on chert that I collected at the Minerva No. 1 mine dump in 1985. It had bundles of orange crystals...specimens I had collected in 1995 from the Annabel Lee mine ore pile had been cataloged as "celestine." I found...Meridiani, in the last spring was not a fluke. } region where the Rover Furthermore. it has mapped the... east of Valles Marineris, and also in a small region (240°E, clues about past climates on Mars and the...Pigmy (Pygmy) mine, near the village of Mexico in Crittenden Co., KY. A description of this mine can be found |  | | Book (edition) | | hand specimens. Left: Internal reflections of hematite (red), azurite (blue), and malachite (green)....matrix is pyrrhotite. Left (bottom): Polysynthetic hematite twinning under XPL, red internal reflections are...different internal reflections. Left: Zonal growth of hematite. Dehydration Cracks Various colloform minerals...secondary minerals. Left: Coffinite (darker grey) with hematite (lighter grey) in dehydration cracks. 7 Light...stable, leading to an exsolution process (e.g., hematite, rutile, and ulvöspinel separating from ilmenite) |  | | Journal (article/letter/editorial) | | Postmasburg,South Africa), braunite-Il (Tachgagalt,Morocco, and Middelplaats mine, Hotazel, South Africa), and disordered...current of 10 nA. Wollastonite (Ca,Si),MnO (Mn), and hematite (Fe) were used as standards.The Tracor Northern...crystal from Postmasburg. (c) Braunite-ll from Tachgagalt,Morocco.(d) Braunite-llfrom Middelplaatsmine,Hotazel'...with a 42.6-A assemblage (B) in braunite-Ilfrom Tachgagalt, one of two possibilities(nos. 9 and l0 in Table |  | | Journal (article/letter/editorial) | | corroded germanite containing gallite, at the Tsumeb mine, S. W. Africa. G 3.84 (measured),3.847 (calc. from...chalcopyrite The mineral occurs at the Prince Leopold Mine, Kipushi, Katanga, and at Tsumeb, in size up to...63, Hg 67.45, Cd 11.72, Zn 3.10, Fe (present as hematite) 0.2, sum 98.lOTa (small amounts oI quartz and...NAMES 1819 The minerai occurs with cinnabar and hematite in aggregates of grains from 0 0n to 1.5 mm. No...89,80-88 (1966). A nelr,'analysis from Idikel, Morocco, by M. Barbelet gave CuO 48.95, MnO 49.70,Oz 0 |  | | Book (edition) | | 02-30 Bixbyite IV/C.03-10 Corundum IV/C.04-10 Hematite IV/C.04-20 Eskolaite IV/C.04-30 Karelianite IV/C...(yellowish white), quartz (dark grey); New Bullfrog mine, Nye Co., Nevada, USA [h]; Nic. // Anhedral electrum...(greenish grey), quartz (dark grey); New Bullfrog mine, Nye Co., Nevada, USA [h]; Nic. // Anhedral electrum...(bluish grey shades), quartz (dark grey); New Bullfrog mine, Nye Co., Nevada, USA [h]; Nic. // 8 Gold A ...sample - photo A), dolomite (dark grey); Harstigen Mine, Pajsberg, Filipstad, Värmland, Sweden [j]; Nic |  | | Book | | should be of specimens from localities within the region of that museum, or at least from the country concerned...Kipushi, Shaba, Za'ire Buranga, Rwanda 15 A fine hematite "Iron rose", 10cm across, from Fibbia, St Gotthard...Hessite Hauchecornite Galena Acanthite Manganite Hematite Skutterudite Zinckenite Stephanite Aragonite (var...particularly interesting collection of miners' lamps and mine surveying instruments. Ancient and mediaeval mining...worn by mine officials of Saxony on ceremonial occasions. A special attraction is a model mine, 20m below |  | | Journal (article/letter/editorial) | | hydrothermal manganese deposits, Tachgagalt, Anti-Atlas Mountains, Morocco (Jouravsky & Permingeat 1964)...manganite, bixbyite, braunite, hausmannite and hematite. These mineral associations indicate § E-mail...The sample used in this study is from the Wessels mine, Kalahari manganese field, South Africa. Pure and... it is scaled by 350 compared to the low-angle region. The structure of gaudefroyite a function for |  | | Journal (article/letter/editorial) | | gaudefroyite, Ca8Mn3+ 6 [(BO3)6(CO3)2O6], from the Wessels mine, Kalahari manganese field, South Africa, shows strong...hydrothermal manganese deposits, Tachgagalt, Anti-Atlas Mountains, Morocco (Jouravsky and Permingeat 1964)...manganite, bixbyite, braunite, hausmannite, and hematite). These mineral associations indicate a high temperature...Well-developed crystals of gaudefroyite from the Wessels mine, Kalahari manganese field, South Africa, occur in |  | | Journal (article/letter/editorial) | | Analysis by microprobe (standardsdiopside for Ca, hematite for Fe, pyrope for Al and Si, synthetic NiAs for...malachite)Averllyn Mine (1917)Bettws-y-coed Carn2Tl lll Minrecordite* Gr4l4". The Aberllyn mine is in the Llanrwst...5;650, 17.65,18.65%. The mineral occurs at Tachgagalt,Morocco, in small grains, Yafsoanite* rarely in dipyramidal...56,27.38;PbO12.82,8.88;CaO 16.79,18.47;SiOz azawa mine, Gumma Prefecture, Japan. Mineralog. Journal excessO |  | | Journal (issue) | | Zeolites and associated minerals from the Palabora mine, Transvaal........................................& R. S. W. Braithwaite The Lake George antimony mine, New Brunswick ..................... 263 by W. E...in g m ine, Kalahari m an g an ese field, C ape Province, South Africa. (See th e article in this issue...July-A ugust, 1991 in the collection from a specific mine, state or country, or all the gem beryls over 20...Specialists in the min eralogy of a particular region have also been afforded the opportunity to study |  | | Report (issue) | | deposit (Mpumalanga Province), the Kalahari manganese field (Northern Cape Province) and the Rustenburg...California, U.S.A. (Switzer and Bailey, 1953); Mihara mine, Okayama Prefecture and at Fuka, Okayama Prefecture...Fontein K 77, Kimberley district, Northern Cape Province (Parry and Wright, 1925). The mineralwas found...pocket in the Wessels mine, Farm Wessels 227, Hotazel district, Northern Cape Province (Von Bezing et al...Cnydas West, Gordonia district, Northern Cape Province and from Karelia, Russia (Hugo, 1961; Zhirov et |  | | Journal (issue) | | inclusions. СgophоtolиmiпеsceRе (77К). Liaonin Province, China. Specimen: Yana Baa. (right) Photoluminescence...calcite; crystal aggregates 15 cm in size. Vеrklinii Mine, Dabugorsk, Pпmorskii Krai, Russia. Specimen: V...crystal (about З т т across) with vacuoles. Liaonin Province, China, Specimen: Yana Bao. (left) Laser luminescence...vacuoles and mineral inclusions (10'). Liaonin Province, China. Specimen: Boo Yana. (left) Luminescence...Liaonin Province, Northeastern China (samples of these crystals from kimberlites of this region were kindly |  | | Journal (article/letter/editorial) | | remained unnoticed through eight years study of the mine. I-M.A. 81-1868; Bull. 105, 130.] Claraite. K. Walenta...turquoise-blue spherulitic aggregates at the Clara mine, Oberwolfach, Schwarzwald. Pseudohexagonal, probably...Anhedral white grains up to 1 cm from the Colquiri tin mine, Bolivia, are trigonal, space group P~lc or P31c...M.M. 46, 257. Yellowish crusts from the Bambolla mine, Moctezuma, Sonora, Mexico, are hexagonal, a 5.045...tabular crystals on quartz and baryte from the Clara mine, Oberwolfach, Baden, have space-group Pmmb, a 11 |  | | 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 |  | | Journal (issue) | | on the Benitoite Gem mine, it was stated that the Mina Numero Uno, a nearby mine having a similar mineralogy...famous Swiss “Cavradischlucht” (Cavradi Gorge) hematite crystals from the St. Gothard area. The crystals...crystal blades on the sur faces of the hematite. The hematite crys tals were mostly single and multiple...un usually thick ones caught my eye. Here the hematite crystals were perfectly terminated, particularly...Alpine clefts in the Mont Blanc Swiss-French border region. genbach quarry specimens (see the Record, They |  | | Book | | On a spectacular find of crocoite in the Adelaide mine, Dundas, Tasmania (by A. H. Chapman) 3:111-113 ADOLFSSON...AJO Famous mineral localities: the New Cornelia mine, Ajo, Arizona (by W. J. Thomas & R. B. Gibbs) 14:283-298...ALLEN, GEORGE B. --and W. Hunt: The Tonopah-Belmont mine, Maricopa County, Arizona 19:139-144 ALLGOOD, GENNE...Allgood, C. Williams: Ramsdellite from the Mistake mine [Arizona] 14:333-335 ALLGOOD, ROBERT W. -with G...the Mistake mine [Arizona] 14:333-335 ALMA Famous mineral localities: the Home Sweet Home mine, [near Alma |  | | Book (edition) | | Abernathyitc, K[(UO 2 )(AsO,)](HP) 3, tet., Fumerole No. 2 mine, Temple Mountain. on the southeast flank of the...104(3). 326-328 □ Achavnlitc, FcSe, hex .. Cacheuta Mine. Ccrro de Cacheuta. Sierra de Cacheuta. Mcndoza...AgardJte-(Ce), CeCu.(AsO4)i(OH).-3H1O, hex., Clara mine, central Black Forest, Gennany,A1ifSS(2004),17-23...Ca)Cu6(AsO.)i(OH).-3H1O. hex., Bou-Skourcoppcr mine, Ouarzazatc. Morocco,SS, 1447 □ Mixite group AgrelUte,NaCa2Si4O10F...Agullarite,Ag.Ses, orth., compareCervellelte, San Carlos mine,Guanajuato.Mexico, CM 12, 365-369 E11cairite group |  | | Journal (issue) | | articles Famous Mineral Localities: Bou-Azzer, Morocco.......................69 by Gerard Pallix Pete...Geological Survey Uralolite from the Dunton Gem Mine, Newry, Maine: A Second O c c u rre n ce .........color of blood (when pow dered) as mammillary hematite, and the common folk would be in awe of their...(aquamarine) and the already-mentioned blood (hematite), to name only a few. “All in the past,” I thought...length, collected in the Mindola open pit, Rokana mine, Zambia, by S. P. Korowski. The Mineralogical Record |  | | Book (edition) | | (top, right) vanadinite, Morocco; (center, left) wulfenite, San Francisco mine, Sonora, Mexico; (center)...rnodochrosite, N’Chwaning mine, South Africa; (lower left, center) wulfenite, Red Cloud mine, Arizona; (lower...Pe Wr * se vat © C6 tad GAa Snive Sr Certain Mine (ax agry wh Oe ee — SS 4 eae wid Bharce ©...resembling ocher, a yellowish red variety of earthy hematite. octahedral Having eight-sided forms or pertaining...ye ty a ara id (ean ® “1 le hI AAP : oo A Mine seh Ranier “i i : lever vei ekealps ; cet | | | Book (edition) | | (top. 1ight) vanadinite, Morocco; (center, left) wulfen ite San Francisco mine, Sonora, Mexico; (center)...Mountains, Utah; (lower le ft) rhodochrosite, N'Chwaning mine, Sou th A frica; {lower left, center) wulfenite...resembling ocher, a yellowish red variety of earthy hematite. octahedral Having eight-sided forms or pertaining...coating fractures in sandstone at the Fuemrol No. 2 mine, Temple Mountain, Emery County, Utah; also sparsely...district, and at the Little Emma mine, Clear Creek County; at the Enterprise mine, Dolores County; at the Double |  | | Book | | specim ens, and note that t hese may vary from region to region, and from country to country. Useful information...and ornamentation. Ochre, rich in the mineral hematite, gave reds and browns when broken down , o r yellow...out of the water first. , .2.t'l UNDERSTAN DING MINE RALS HOVV MINERALS FORM Minerals are the natural...an aggregate), in distinctive ways, or habits. Hematite, for instance, tends to grow in kidney-shaped...stilbite. Reniform Shaped like kidneys, such as hematite (right). Bigger than botryoidal or mamilliform |
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Tachgagalt Mine, Tansifte Caïdat, Agdz Cercle, Zagora Province, Drâa-Tafilalet Region, Morocco