 | | Journal (article/letter/editorial) | | Trimouns Quarry Luzenac, Ariège, France Freddy Marty Rue de l’Hôpital 11230-Chalabre France In recent...recent decades, the Trimouns quarry has become well known as a source of outstanding crystals of several...have also been found. These minerals occur in dolomite vugs in a contact zone of the Trimouns talc/chlorite...located in the Ariège Departement of southwestern France, 6 km northeast of the village of Luzenac, 40 km...reference to the three peaks that overlook the quarry. Langue d’Oc is a regional language of Latin The |  | Corre, B., Boulvais, P., Boiron, M. C., Lagabrielle, Y., Marasi, L., Clerc, C. (2018) Fluid circulations in response to mantle exhumation at the passive margin setting in the north Pyrenean zone, France. Mineralogy and Petrology, 112 (5) 647-670 doi:10.1007/s00710-018-0559-x | Journal (article/letter/editorial) | | passive margin setting in the north Pyrenean zone, France B. Corre1 · P. Boulvais1 · M. C. Boiron2 · Y. Lagabrielle1... Géosciences Rennes, UMR 6118, F‑35000 Rennes, France 2 GeoRessources, UMR, Université de Lorraine...Aiguillettes, BP 70239, F‑54506 Vandoeuvre‑lès‑Nancy, France 3 Institut des Sciences Exactes et Appliquées...Caledonia, Av. James Cook, BP R4, 98800 Nouméa, France separation. The processes of fluid-rock interactions...include motley calc schists, rhauwacke (cellular dolomite), brecciated dolomitic marbles and 13 B. Corre |  | | Journal (article/letter/editorial) | | the Development of a Peculiar Zebra Banding by Dolomite Replacement STEFANO LUGLI,† Dipartimento di Scienze...could be interpreted by changes in the ratios of dolomite dissolution versus magnesite precipitation due...released during the replacement process. Late dolomite is commonly pseudomorphous after magnesite crystals...wt %) than magnesite (1.82 wt %) and than later dolomite after magnesite (1.04 wt %). The black magnesite...be expected by magnesite replacing dolomite. REE patterns of dolomite after magnesite are very similar |  | Souissi, Fouad, Jemmali, Nejib, Souissi, Radhia, Dandurand, Jean Louis (2013) REE and isotope (Sr, S, and Pb) geochemistry to constrain the genesis and timing of the F–(Ba–Pb–Zn) ores of the Zaghouan District (NE Tunisia) Ore Geology Reviews, 55. 1-12 doi:10.1016/j.oregeorev.2013.04.001 | Journal (article/letter/editorial) | | LMTG, 14 Avenue E. Belin, 31400 Toulouse Cedex, France a r t i c l e i n f o Article history: Received...show that the Sr of the epigenetic carbonates (dolomite, calcite) and ore minerals (fluorite, celestite)...and the Triassic is made of tectonized masses of gypsum, variegated clays, dolostones including authigenic...deposits (after Souissi et al., 1997a, 1997b). 1 Gypsum and clays, 2 Reef limestones, 3 Phosphatic limestones...Analysis was conducted on 13 sulfate (barite and gypsum) samples and 25 sulfide samples (mainly galena and |  | Barré, Guillaume, Strzerzynski, Pierre, Michels, Raymond, Guillot, Stéphane, Cartigny, Pierre, Thomassot, Emilie, Lorgeoux, Catherine, Assayag, Nelly, Truche, Laurent (2020) Tectono-metamorphic evolution of an evaporitic décollement as recorded by mineral and fluid geochemistry: The “Nappe des Gypses” (Western Alps) case study. Lithos, 358. 105419 doi:10.1016/j.lithos.2020.105419 | Journal (article/letter/editorial) | | re 2 -p lès-Nancy, France 3 lP Avenue O. Messiaen, 72000 Le Mans, France Univ. Grenoble Alpes...Grenoble, France Institut de Physique du Globe de Paris (IPGP), 1 Rue Jussieu, 75005 Paris, France 5 CNRS...Pauvres, F-54500 Vandoeuvre-lès-Nancy, * Jo France ur 4 Corresponding author. Abstract Evaporites..., 2012), Himalaya (e.g., Baker et al., 1988), Pyrénées (e.g., Canérot et al., 2005), Turkey (e.g., Kergaravat...pore re pressure induced by the dehydration of gypsum into bassanite and anhydrite (e.g., Ko et al., |  | Khaska, Mahmoud, Le Gal La Salle, Corinne, Videau, Girard, Flinois, Jean-Sébastien, Frape, Shaun, Team, Aster, Verdoux, Patrick (2015) Deep water circulation at the northern Pyrenean thrust: Implication of high temperature water–rock interaction process on the mineralization of major spring water in an overthrust area. Chemical Geology, 419. 114-131 doi:10.1016/j.chemgeo.2015.10.028 | Journal (article/letter/editorial) | | Salan, 30021 Nimes, France Aix-Marseille Université, CNRS-IRD-Collège de France, UM 34 CEREGE, Technopôle...13545 Aix-en-Provence, France c AREVA NC Malvési, 11102 Narbonne Cedex, France d ANDRA, 1-7 rue Jean-Monnet...Jean-Monnet, 92298 Châtenay-Malabry Cedex, France e Department of Earth Sciences, University of Waterloo,...7352 CHROME, rue du Dr Georges Salan, 30021 Nimes, France. E-mail address: mahmoud.khaska@unimes.fr (M. Khaska)...et al., 2002; Werner et al., 2013). In southern France, sea water intrusion was observed in a karst aquifer |  | | Journal (article/letter/editorial) | | 159 Quai des Allobroges 73000 Chambery, Savoie France alain.martaud@wanadoo.fr Figure 1. Fluorite, 1...San Marcos] at 07:49 21 June 2016 Fluorite from France All photos by Louis-Dominique Bayle F luorite...Massif Central (in south-central France), the Vosges (in eastern France, near its border with Germany)...Photo: L.-D. Bayle. Figure 3. Fluorite, quartz, dolomite, and chalcopyrite, 14.5 × 8.3 cm, Le Burg, Paulinet...June 2016 Geology of French Fluorite Occurrences France is made up of several distinct geological entities |  | | Book | | Demange Centre de Geosciences, Ecole des Mines Paris, France Fluid and melt inclusions in rock-forming minerals...44–49) by Jacques Touret, Ecole de Mines Paris, France DEMANGE_Book.indb iii 4/19/2012 1:43:36 PM CRC...research activities at the École des Mines in Paris, France, he headed various research studies. This book...boehmite, brucite carbonates: calcite, dolomite sulfates: gypsum, anhydrite, barytine phosphates: apatite...freshwater): some carbonate rocks (dolostone), evaporites (gypsum, rock salt, potash), some siliceous rocks (chert |  | | Report (issue) | | profiles, some exceeding 5 cm, with little white dolomite crystals around them. But excellent, too, are...crystals, with the same spottings of sharp white dolomite rhombohedrons. There are major price differences—the...once yielded specimens of transparent, colorless gypsum crystals shot through with forest-green prismatic...scheelite crystals are sprinkled all over drusy white dolomite which in turn coats the faces of big, incomplete...The Arkenstone specimen and photo. Scheelite on dolomite, 6.2 cm, from the Yaogangxian mine, Chenzhou Prefecture |  | | Journal (article/letter/editorial) | | National G y p s u m C o . quarry (formerly the Huron-Portland Ce ment Co. quarry)—Alpena barite, calcite...chalcopyrite (r), dolomite, marcasite, pyrite, sphalerite, strontianite (r) Paxton quarry—Paxton calcite...calcite, chalcopyrite, dolomite, marcasite, pyrite, quartz, sphalerite Eaton County anhydrite, carnallite...celestite, dolomite, gypsum, halite, polyhalite (r), pyrite, quartz Ottawa Silica C o . quarry (c)—Rockwood...sulfur (r) Sibley quarry (c)—Trenton calcite, celestite, epsomite,./7wor/7e, gypsum var. selenite, sulfur |  | Manuel, J., Subías, I., Fanlo, I., Arranz, E., Gervilla, F. (2018) Multi-isotope survey on the metallogenesis of the hydrothermal Co-Ni deposits in the Alpine Central Pyrenees of Spain. Ore Geology Reviews, 94. 225-238 doi:10.1016/j.oregeorev.2018.01.030 | Journal (article/letter/editorial) | | carbonates include replacement pre-ore fine-grained dolomite, syn-ore sparry ankerite and late calcite veins...Juan de Plan mine (replacement preore fine-grained dolomite, syn-ore sparry ankerite and late calcite) are...mines. These are pre-ore replacement fine-grained dolomite, ore-stage sparry ankerite and post-ore sparry...larger for the pre-ore replacement fine-grained dolomite (97.57 ± 60.34 ppm) than for ore-stage ankerite...(16.73 ± 7.26 ppm) when compared with pre-ore dolomite (10.64 ± 2.80 ppm). Regarding the carbonates from |  | | Journal (issue) | | birefraction, in which myriad tiny particles of dolomite (or magnesite) were included. The dark crystals...abundant carbon dust. Since massive amounts of dolomite could be determined in the matrix rock too, we...little rock clasts are cemented by dolomite as a breccia. The dolomite is more magnesia-rich than normal...calcium-bearing magnesite. It is partially altered to gypsum. (Continues) 4 Mineral News September 2018...under the microscope likewise showed innumerable dolomite grains. NB 2) The rock clast with the layer of |  | | Journal (article/letter/editorial) | | including superb calcite, strontianite, barite, dolomite, and sphalerite. E R N E S T H. C A R L S O N...warning, and collectors are advised to contact quarry operators well in advance of a trip. The Re port...An attempt has been made to trace the history of quarry activities because several important mineral discoveries...irregular shapes, molds of fossils, molds of gypsum nodules and gypsum crystals, voids in col lapse and fault...the selective replacement of bedded or nodular gypsum (Carlson, 1987). The Findlay Arch mineral district |  | | Journal (article/letter/editorial) | | Pre-proof Origin of the gypsum veins associated with the diagenetic dolomite nodules from the Neogene...-M. Rouchy, Origin of the gypsum veins associated with the diagenetic dolomite nodules from the Neogene...Pre-proof Origin of the Gypsum Veins Associated with the Diagenetic Dolomite Nodules from the Neogene...Université, 4 Place Jussieu, 75252 Paris Cedex 05, France catherine.pierre@locean.upmc.fr ro of 2 Géologie...d’Histoire Naturelle, 43 rue Buffon, 75005, Paris, France -p Abstract re The late Neogene marls from |  | | Report (edition) | | limestone from Shelly Materia ls, Inc., Auglaize quarry (formerly Stoneco, Inc.}, near Junction, Pau lding...resulting from a sha le fire on Stoneco, Inc.) Auglaize quarry near Junction, Paulding the Huron River, resulting...sed in1ents .................................... Gypsum crysta ls .. ..... .. .. .. . .. .. ..... ... ...Photo of three generations of iron-r ich ferroan dolomite ......................................................... 19. Photo of crystals of dark-brown dolomite on early dolom ite ................... .. ... |  | | Journal (issue) | | stones harder than gypsum, and indeed, in popular parlance the massive form of gypsum known as alabaster...limestones contain more or less magnesia without being dolomite (calcium magnesium carbonate), and on contact...is termed :—• CaMg(C03)2 = CaC03 + MgO + G02 (dolomite) (Calcite) (Periclase) (Carbon dioxide) T h e...the original rock may contain calcite as well as dolomite the resulting rock is a crystalline aggregate...little value in repeating what may well be local quarry names. In general there are two main types of nomenclature |  | | Journal (article/letter/editorial) | | palaeohydrological information as calcite and dolomite in lacustrine sequences. To this end, we analysed...(Hammou Salah and Jakania Formations), with abundant gypsum in joints in the lower part of this sequence (Fabre...nature of the local bedrock, containing gypsum and dolomite. 5.1. Oxygen isotope composition The overall...deposits, in contrast to associated calcite and dolomite (Luzón et al., 2009). It is also documented for...carbonates associés dans la série de Canaveilles (Pyrénées-Orientales) : conséquences génétiques. Comptes Rendus |  | | Journal (article/letter/editorial) | | Silurianto Middle Devonian.Reef complexes,bedsof nodular gypsum,collapsebreccias,and fracturezonesprovidedimpo...sphalerite/galena ratiosare 100 or higher.Early dolomite,pyrite-marcasite, andcelestiteI arepremain-stage...Trenton Limestone and the Cambrian Knox Dolospreadin quarry exposures of carbonaterocksin mite (Stieglitz,1975;...mineralizationappearto havebeenreefcomplexes, bedsofnodular gypsum,collapsebreccias,andfracturezones. Many richly...Formation -•.•• • Sandston• Sylvania Bass Islands Dolomite undifferentiated G '•-•"•' Salina Wabash |  | | Journal (article/letter/editorial) | | erg) mimi An isian Dolomite of the Hallstatt Sheet _ Reich enh all Dolomite ~ Basal An is ian Rauwacke...Untersberg, are mainly Middle and Upper Triassic dolomite and Dachstein Limestone; they form part of the...source of Portland cement. (ii) A small disused quarry a short distance to the north of (i)-Cement Marls...permission to visit should be requested at the quarry office: Gosau Beds (Upper Cretaceous) preserved...down-faulted pocket in the Upper Juvavikum; the quarry, at the foot of the north flank ofUntersberg, near |  | | Journal (article/letter/editorial) | | rocks are calcite, clay minerals, dolomite, glauconite, goethite, gypsum, hema tite, limonite, quartz,...pyrrhotite and other iron sulfides in calcite, barite, dolomite, and quartz in geodes. Other species reported...on {0221}, 4 cm across; Meshberger Stone, Inc. quarry, Bartholomew County. Richard Russell specimen and...largest crystal 3.5 cm across; Berry Materials quarry, Jenn ings C o . J . Kielbaso specimen; R . Russell...right): Pyrite, 1.5 cm high; Rensselaer Stone C o . quarry, Jasper County. Vernon Swanson speci men; Richard |  | | Journal (article/letter/editorial) | | it includes some world-class localities, such as gypsum crystals from Ellsworth and flint from Flint Ridge...indicators of salinity conditions (e.g., nodular gypsum forms in waters of high salinity). Some concretions...the matrix is composed predominantly of ferroan dolomite, with lesser amounts of calcite, quartz, illite... The large concretions are septaria. Dolomite, ferroan dolomite, calcite, barite, and quartz are the... com., 1999). The dolomite is white to creamcolored, whereas the ferroan dolomite is brown or olive-green |  | | Journal (article/letter/editorial) | | formation of palygorskite (outer part), interstitial gypsum, calcrete (outer part), dolocrete (inner part)...(sepiolite and magnesian smectite), interstitial gypsum, dolocrete and cream and white silcrete. Authigenic...environments in the Upper Eocene Mormoiron Basin, France (Triat and Trauth, 1972; Trauth, 1977); transitional...of authigenic facies (growth of Mg-rich clays, gypsum, calcretes, dolocretes and silcretes) whose interrelationships...around the margins and lacustrine (carbonate and gypsum) facies at the centre and comprises three sedimentary |  | | Journal (article/letter/editorial) | | within the Haselgebirge m~lange, such as anbydrite-dolomite alternations. Emphasis was placed on fresh, unweathered...samples include coarselycrystalline anhydrite and gypsum varieties. In addition, seven samples from other...allowed to evaporate. The Ca-sulfate precipitate (gypsum a n d / o r bassanite according to X-ray diffraction...Brandner (pers. commun., 1994). gy = gypsum; anh = anhydrite; dol = dolomite; magn = magnesite. The last column...wavy, flaser and contorted bedding. Anhydrite (or gypsum) is commonly interbedded with thin shales, dark-gray |  | | Book | | stalactiforme et rubanée sont en Oural et au Katanga. En France, hormis la célèbre mine de Chessy (localité-type...Loire, Tarn, Savoie, Alpes-Maritimes, Corse, des Pyrénées, etc. 6à7 Couleur, transparence, éclat Blanc...Hill, Australie) et xénomorphe (2, Vieille-Aure, Pyrénées) © Dunod. Toute reproduction non autorisée est...sont aussi appelées « semi-précieuses », sauf en France où cette désignation est interdite depuis 2002...manufacture chinoise Perle des joyaux de la Couronne de France Intaille romaine en ambre baltique Ambre (Belgique) |  | | Report (issue) | | Resources Consultative Committee Mineral Dossier No 13 Gypsum and Anhydrite Compiled by A JG Nothol.t, BSc, MIMM...Talc No 11 Ball Clay No 12 No 13 Slate 11 Gypsum and Anhydrite Preface The Mineral Resources...Portland Cement Manufacturers Limited, British Gypsum Limited, and Fisons Limited is also gratefully...rocks and location of gypsum and anhydrite mines and quarries Fig 2 Location of gypsum workings in the Vale...Billingham to Wilton area, Cleveland Fig 6 Location of gypsum mines and quarries in the East Midlands Fig 7 |
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