 | | Journal (issue) | | 97 : Le Séchier (Hautes-Alpes) ECHOS DE LA MINÉRALOGIE FRANÇAISE Fluorite et quartz sur calcite 4,7...Photogravure - Flashage DESIGN' CRÉATION- 43750 VALS-PRÈS-LE-PUY Imprimeur Impri merie PHIL'PRINT- 43200 Yssingeaux...l'abonnement annuel: 6 nu méros+ 1 hors série France: Individuel : 50 € - Association et soutien : 65...Nathalie et Franz SCHILLINGER ZINCOWOODWARDITE DE LE PENAY (Savoie) Roger DE ASCENÇAO GUEDES ORPIMENT...GINESTE FICHE Gîrns MINÉRAUX N° 97 : LE SÉCHIER (HAUTES-ALPES) Daniel GOL LE COIN DU PROSPECTEUR : TECHNIQUES |  | | Journal (article/letter/editorial) | | Les min~ralisations ferrif~res du Sahara Algerien: le gisement de fer oolithique de Mecheri Abdelaziz (bassin...G6ologie, Universit~ de Rennes, F-35042 Rennes C~dex, France ~ Centre Armoricain d'Etude Structurale des Socles...Universit6 de Rennes, F-35042 Rennes C6dex, France R~sum& Le gisement de fer oolithique de Mecheri Abdelaziz...6difices deltaiques progradants. La min6ralisation est complexe et comprend trois paragen+ses principales;...concr6tionnemerit intras6dimentaire et ayant suN, avant le d6p6t ddfinitif, des phases alternantes d'oolithisation |  | | Journal (article/letter/editorial) | | (Berl.) 10, 13--25 (1975) © by Springer-Verlag 1975 Le mineral de fer d'Hajigak (Afghanistan). Position...LAPPARENT Paris, France Age and grade of metamorphism of the considerable iron deposit of Hajigak (Central...geological environment and paragenesis of the ore. The iron beds are situated in the Upper Kalu Formation (...relationship is evident between basic rocks and iron ore. We consider the succession of events at Hajigak...gabbro and dolerite sills were intruded; as a result, iron oxides were remobilized, filling fractures across |  | | Book | | Naturelle Paris, FRANCE GILBERT BELLAICHE Centre de Recherches Géodynamiques Alpes Maritimes, FRANCE RICHARD...Marine Centre Universitaire de Luminy Marseille, FRANCE LAURE BLANC-VERNET Laboratoire de Géologie Marine...Marine Centre Universitaire de Luminy Marseille, FRANCE ENRICO BONATTI School of Marine and Atmospheric...BUROLLET Compagnie Français des Pétroles Puteaux, FRANCE GUSTAVE A. CAUWET Centre de Recherches de Sédimentologie...Sédimentologie Marine Université de Montpellier Perpignan, FRANCE HERVE CHAMLEY Laboratoire de Géologie Marine Centre |  | | Book (volume) | | Emberger and the following national chapters: France and Luxembourg by J. Bouladon Spain by F. Vazquez...borates, potash, salt, diamond, graphite, quartz, calcite, mica, feldspar, asbestos, talc, barite, fluorite...Romania and Yugoslavia; and Southwest Europe embraces France, Spain, Portugal and Italy. Each volume has an...Molybdenum Mercury . • Uranium. • Rutile and zircon Iron. Europium-rich monazite Kaolin Andalusite Feldspar...Molybdenum • • Diatomite • • Kaolin Cobalt and nickel Iron and tungsten Summary of zone B Montagne Noire, Albigeois |  | | Journal (article/letter/editorial) | | Geology Vol. 56, 1961, pp. 331-361 PALEOZOIC BANDED IRON-FORMATIONS J. E. O'ROURKE CONTENTS PAGE Abstract.................... 332 Examplesof Paleozoic(?) iron-formations.............................. The Himb...evidencefor Paleozoic iron-formations .................. Comparisonof older and younger iron deposits.........Prospectingin the Nep/d Him/daya has brought to light iron-formations that are probably Paleozoic,and a search...has revealed others. The generalization that all iron-formations are Protero- zoic or Archeozoic,which |  | | Report (issue) | | 3303-33rd Street N.W., Calgary, Alberta T2L 2A 7 A deposit copy of this publication is also available for...exposures Belle Marche quarry Pleasant Bay lead deposit Dingwall gypsum quarry Ingonish gypsum quarry Point...Aconi cliffs Scotch Lake quarry Ironville (Ingraham) iron mine Coxheath mine Frenchvale dolomite quarry Steele...limestone quarry Marble Mountain quarry Manchester iron deposit Erinville (Bums) mine Erinville 'Black Granite'...shore Arisaig agalmatolite quarry Arisaig Brook iron deposit Moydart Point fossils Knoydart Point copper |  | | Book | | Geology in France and Related Areas (1994) J. D. Keppie (Ed.) Pre-Mesozoic Geology in France and Related...Cataloging-in-Publication Data. Pre-Mesozoic geology in France and related areas / J. D. Keppie (ed.). p.cm.Developed...2. Geology, Stratigraphic-Paleozoic. 3. Geology-France.!. Keppie, J. Duncan. II. IGCP Project 233-Terranes...comprehensive account of the PreMesozoic Geology of France (Armorican and Central Massifs) and related areas...the international copference held in Montpellier, France, in August, 1988, where a vast amount of new information |  | Mezougane, Hafid, Aissa, Mohamed, Muhammad, Souiri, Moussaid, Azizi, El Basbas, Abdelaziz, Essalhi, Mourad, Kharis, Abdel-ali, El Azmi, Mohammed, Touil, Ahmed, Bilal, Essaid (2022) Sulfide and Fluoride Mineralization of the NNE Region of Achemmach (Central Morocco): Paragenetic Sequences and Pyrrhotite-Sphalerite Geothermometry Constraints. Minerals, 12 (7) 790 doi:10.3390/min12070790 | Journal (article/letter/editorial) | | (ENSM-SE), Cours Fauriel, 42000 Saint-Etienne, France; ebilal@emse.fr Correspondence: hafid.mezougane@uhp...JbelAouam Pb-Zn-Ag deposit, El Hammam Fluorite deposit and Achemmach Sn ore deposit arethe main exploited...stage. Thelatter is identified at (i) the El Karit deposit with an assemblage of cassiterite, scheelite, wolframite...at 650 t of cassiterite; (ii) at the Achemmach deposit, where cassiterite is hosted by tourmaline filling...JbelKhetem, and Ain Koheul. The JbelAouam Pb (Ag) ore deposit, currently in production attheTouissit Mining Company |  | Le Bas, M. J., Kellere, J., Kejie, Tao, Wall, F., William, C. T., Peishan, Zhang (1992) Carbonatite dykes at bayan Obo, inner Mongolia, China. Mineralogy and Petrology, 46 (3) 195-228 doi:10.1007/bf01164647 | Journal (article/letter/editorial) | | Dykes at Bayan Obo, Inner Mongolia, China M. J. Le Bas t , J. Keller 2, Tao Kejie 3, F. WalP, C. T. Williams...Received May 23, 1991; accepted May 5, 1992 Summary Calcite-rich dykes occur in the thrust fold belt near the...the Bayan Obo rare earth element (REE) deposit. They cut a thrust inlier of granitic migmatite within...studies show that the rock is a calcite carbonatite with Sr-Mn-bearing calcite, magnesio-riebeckite, apatite...Chemische Daten, die auf Kathoden- 196 M.J. Le Bas et al. Lumineszenz, R6ntgen-Fluoreszenz und Mi |  | | Report (issue) | | Under the Sun BY GUIOMAR & MIGUEL CALVO 43 48 France BY CHRISTOPHE LUCAS Lower Left: Completely immersed...Mineralogie (1747), did not distinguish limestone or calcite from fluorite. He thus described nine varieties...England. Since the mid-18th century, this specific deposit has produced fluorite widely known as "Blue John...sumtium., yttrium. and/ot cerlum. Deep purple fluorite bas been ieported to contain up to 1 weight percent trontium...Fracture: conchoidal to uneven Density: Pure CaF2 bas a density of 3.28 g/cm3 ; Ce-bearing fluorite, 3 |  | | Journal (article/letter/editorial) | | inclusions of the Goushti hydrothermal magnetite deposit, Fars Province, SW Iran: A comparison with IOCGs...Geochemistry Fluid inclusion Iron Iran a b s t r a c t The Goushti iron deposit from Dehbid area located...of the studied ores indicate that the Goushti deposit is a hydrothermal magnetite type. The subvolcanic...basalt in this area are regarded as the source of iron and heat in the mineralizing system. The fluid inclusion...fluid mixing, is the major controlling factor in iron oxide precipitation. The field relationships and |  | | Journal (article/letter/editorial) | | and the upper limit for Ca is close to 1 apfu. Iron ranges from 0.01 to 0.30 apfu, and is mainly in...Bastnäs dans le camp minier de Bergslagen, partie centre-sud de la Suède, en deux sous-types: le sous-type...terres rares légères, tandis que le sous-type 2, avec exemples dans le district de Norberg, montre à la...des teneurs en Ca est proche de 1 apfu. La teneur en fer va de 0.01 à 0.30 apfu, et le fer serait surtout...surtout à l’état trivalent. La cérite-(Ce) est l’hôte principal de Y (jusqu’à 3.5% Y2O3, poids). La fluorbritholite |  | | Journal (article/letter/editorial) | | for petrogenesis Xue-Ming Yang a,*, Michael J. Le Bas b,1 a Department of Earth and Space Sciences,...Obo giant rare earth element (REE) – Nb – Fe ore deposit, Inner Mongolia, China are divided into four categories:...dikes (D) occurring within 3.5 km northeast of the deposit. These carbonates contain high MnO (>0.50 wt.%)...Introduction The Bayan Obo giant REE – Nb – Fe ore deposit of Inner Mongolia, China (110jE, 41j48VN) is well...(REE) mineral deposit in the world (Fig. 1). Its origin has been a 98 X.-M. Yang, M.J. Le Bas / Lithos |  | | Book | | intrusion-related gold, (6) iron oxide-copper-gold (IOCG), (7) banded iron formation (BIF), (8) Mississippi...describes the giant Imiter silver-mercury vein deposit and suggests that degassing was the main ore-forming...the Bou Madine gold-silver-lead-zinc (±copper) deposit in a Neoproterozoic caldera setting, and summarize...magmatism in the Zgounder epithermal silver-mercury deposit of Morocco, providing evidence for a genetic tie...porphyry–epithermal transition recorded in the Ouixane iron district of Morocco, using new geochronological |  | Verhaert, Michèle, Gautheron, Cécile, Dekoninck, Augustin, Vennemann, Torsten, Pinna-Jamme, Rosella, Mouttaqi, Abdellah, Yans, Johan (2022) Unravelling the Temporal and Chemical Evolution of a Mineralizing Fluid in Karst-Hosted Deposits: A Record from Goethite in the High Atlas Foreland (Morocco) Minerals, 12 (9) 1151 doi:10.3390/min12091151 | Journal (article/letter/editorial) | | (GEOPS), Université Paris Saclay, 91404 Orsay, France Institute of Earth Surface Dynamics, University...dekoninck@unamur.be Abstract: Timing and duration of ore deposit formation are crucial to understanding the mineralization...surface. The method has been applied to dating ore deposit formation [2,4,5], supergene weathering of porphyry...porphyry [6] and determining the age of lateritic iron duricrust [7–10]. In addition, the study of U and...basin, basin, the the Imini Imini ore ore deposit deposit forms forms lenses lenses aligned aligned Cretaceous |  | | Journal (article/letter/editorial) | | represented by large specimens, are Predominant in the deposit, or have high scientific interest appear in UPPERCASE...about 2 miles north of the Macon county line. CALCITE crystals enclosing bundles of acicular and minute...Creek, northwest of Rockville in coal deposits: CALCITE as both brown and white crystals (Broadhead 1894)...Platte County and throughout the county: ARAGONITE,CALCITE, CELESTITE. PYRITE, SPHALERITE (Broadhead 1873b:...Ashland and Jefferson City on U.S. Highway 63: CALCITE as fine scalenohedra,chalcopy- Butler County Williamsville |  | | Report (issue) | | Catherine St. We.YI or through your booksdler A deposit copy of this publication is also available for.............................. Pleasant Bay lead deposit • • • . • • • • • • . . • . • • •. • . • • . •....••..•.•••.••.••.•••.•.••••• , •• , , Ironville iron mine ..• , , •. , , , • , , •• , • , ••••• , ..•... . . . . . . . . . . . . . . . • Manchester iron deposit...................................... Erinville... . . . . • . . . . . • • • • • . Donahue Lake deposit . . . . . . . . . • • • . • . • • • . . . . • • |  | | Book (volume) | | pitsBarite, Geodes, Goethite, Hematite, Limonite, Iron minerals; area mines, as important producersBarite...dolomite exposed in an abandoned quarry Barite, Calcite, Fluorite (purple cubes), Galena. CHATTAHOOCHEE...areaQuartz crystals. LITHONIA: area quarriesCalcite, Epidote, Fluorite, Garnet, Thulite, Tourmaline... Rock Chapel Quarry, on N side of Arabia Mt.Calcite, Epidote, Fluorite, Garnet, Thulite, Tourmaline... Rose Quartz, etc.; at the Ledbetter QuarryCalcite crystals (some with pyrite inclusions). FORSYTH |  | | Book | | imprimeur inc. Barite on Quartz, Rock Candy mine, Grand Forks, British Columbia / Photo by Ken Mayer Publisher...Museum analyzed it. (siderite, from Gk. sideros, iron, or of Archeology), (5) an event (uraninite,...chemical component — anion or néche, Sadne-et-Loire, France, or annite, after Cape anionic radical. Thus oxides...HAbvY, R.-J. (1801): Traité de Minéralogie. Paris, France. HILL, J. (1748): History of Fossils. London,...B.L. (1772): Essai de Cristallographie. Paris, France. SCHALLER, W.T. (1930): Adjectival ending of chemical |  | | Book | | met allic mineral de posits throughout the world bas changed materially since 1945. Atomic bombs, nuclear...of some countries, production trends, a nd possib le future developments are discussed in the text where... With the discovery and development of the vast iron ore deposits of Labrador, a new cha pter in the...United States. The early eastern colonists needed iron for tools and lead fo r bullets. These they found...adventurous pioneers, moving westward, discovered the iron deposits of Michigan in 1844 and the copper deposits |  | | Report (chapter) | | Publications Nephelinites and carbonatites M. J. Le Bas Geological Society, London, Special Publications...May 7, 2014 Nephelinites and carbonatites M. J. Le Bas S U M M A R Y : Carbonatites found in strongly...re-established by Saether (1957), demonstrated that calcite-rich rocks could have all the characteristics of...metasomatic products of fenitization and that the calcite-rich carbonatite was the residue of the intrusive...carbonate minerals. If the carbonate is calcite, the rock is a calcite carbonatite which is called a s6vite |  | | Report (issue) | | depositional environments and to construct phosphate deposit models. The compiled data have been edited for...countries, if a given name refers to a mine or deposit, a nearby location or administrative area, a geologic...multiple names may be used to refer to a single deposit or mine. For large deposits or mineralized areas...record. All of the records were classified by deposit type, except where no data were available. DATA...administrative area, basin/formation/region(area)/deposit, and deposit/site name. Guano and guano-derived deposits |  | | Journal (article/letter/editorial) | | carbonatite sills from the world’s largest Bayan Obo deposit: implications for timing and genesis of REE-Nb...carbonatite sills from the world’s largest Bayan Obo deposit: implications for timing and genesis of REE-Nb...carbonatite sills from the world’s largest Bayan Obo deposit: implications for timing and genesis of REE-Nb...world’s largest light rare earth element (LREE) deposit and is hosted in carbonatite sills emplaced into...However, the timing and genesis of the Bayan Obo deposit has been highly controversial for many decades |  | Duan, Shigang, Zhang, Zuoheng, Jiang, Zongsheng, Zhao, Jun, Zhang, Yongping, Li, Fengming, Tian, Jingquan (2014) Geology, geochemistry, and geochronology of the Dunde iron–zinc ore deposit in western Tianshan, China. Ore Geology Reviews, 57. 441-461 doi:10.1016/j.oregeorev.2013.08.019 | Journal (article/letter/editorial) | | geochemistry, and geochronology of the Dunde iron–zinc ore deposit in western Tianshan, China Shigang Duan...August 2013 Available online xxxx Keywords: Skarn iron deposit Fluid inclusions Sulfur isotopes U–Pb dating...Tianshan China a b s t r a c t The Dunde iron–zinc deposit (185 Mt at 35% Fe), located in the Tianshan...chalcopyrite, and minor galena), calcite, and traces of quartz; and (4) a chlorite– calcite stage mainly characterized...characterized by the formation of chlorite, calcite, and traces of sericite. Exsolution of droplet-like and |
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