 | | Journal (article/letter/editorial) | | high-pressure ophiolite metasediments of Praborna ore deposit (Aosta Valley, Western Alps) SIMONE TUMIATI1,*...Studi di Milano, via Botticelli 23, 20133 Milano, Italy *Corresponding author, e-mail: simone.tumiati@unimi...degli Studi di Padova, via Giotto 1, 35137 Padova, Italy 3 Equipe GeÌobiospheÌre actuelle et primitive; Institut...deposit of Praborna crops out in the Zermatt-Saas unit of the Western Alps, in the St. Marcel valley. It represents...to the bulk-rock chemistry. Compared to shales, Praborna is enriched in Mn (up to 38.7 wt% Mn2O3) and in |  | Tumiati, Simone, Godard, Gaston, Martin, Silvana, Malaspina, Nadia, Poli, Stefano (2015) Ultra-oxidized rocks in subduction mĂ©langes? Decoupling between oxygen fugacity and oxygen availability in a Mn-rich metasomatic environment. Lithos, 226. 116-130 doi:10.1016/j.lithos.2014.12.008 | Journal (article/letter/editorial) | | Milano, via b NU Mangiagalli 34, I-20133 Milano, Italy; simone.tumiati@unimi.it Institut de Physique du...degli Studi di Padova, via Giotto 1, 35137 Padova, Italy d Dipartimento di Scienze dellâAmbiente e del...Scienza 4, 20126 Milano, Italy CE ABSTRACT The manganese ore of Praborna (Italian Western Alps) is...They contain braunite (Mn2+Mn3+6SiO12), quartz, pyroxmangite (Mn2+SiO3), and minor hematite, omphacite, piemontite...on this dataset and the observed assemblages at Praborna, thermodynamic calculations show that these mĂ©lange |  | | Journal (article/letter/editorial) | | at the Praborna mine near Saint-Marcel, Val dâAoste, Italy, and in the upper Maurienne Valley, France...India (Dasgupta et al., 1987); with braunite, pyroxmangite, rhodochrosite, jacobsite, quartz and hematite...calcite, bustamite, magnetite. 10. Eclogite facies, Praborna, W. Alps (Martin and Kienast, 1987); with hematite...Maurienne Valley, France (Chopin, 1978), on the western tip of the Gran Paradiso massif. The Saint-Marcel...Saint-Marcel locality is the famous Praborna mine, in Val dâAosta, Italy, on the north-eastern flank of the Gran |  | | Journal (article/letter/editorial) | | manganese concentrations at St. Marcel-Praborna, Aosta Valley, Italy: petrography and crystal-chemistry...manganese concentrations at St. Marcel-Praborna in the Aosta Valley, Italy. These titanites arc chemically...titanite, crystal-chemistry, petrography, St. Marcel-Praborna, Italy. Introduction THE manganese concentrations...manganite; piemontite; priderite; pyrolusite; pyroxmangite; rhodochrosite; rhodonite; rom6ite; spessartine;...MnO) collected by de Lom (1843) from the St. Marcel-Praborna locality. Fermor (1908) also mentioned 'greenovite' |  | Tumiati, Simone, Merlini, Marco, Godard, Gaston, Hanfland, Michael, Fumagalli, Patrizia (2020) Orthovanadate wakefieldite-(Ce) in symplectites replacing vanadium-bearing omphacite in the ultra-oxidized manganese deposit of Praborna (Aosta Valley, Western Italian Alps). American Mineralogist, 105 (8). 1242-1253 doi:10.2138/am-2020-7219 | Journal (article/letter/editorial) | | the ultra-oxidized manganese deposit of Praborna (Aosta Valley, Western Italian Alps) Simone Tumiati1...Studi di Milano, via Mangiagalli 34, 20133 Milano, Italy 2 UniversitĂ© de Paris, Institut de Physique du Globe...005)O4âž±nH2O has been found in metacherts from Praborna (Italian Alps) as micrometer-sized euhedral crystals...wakefieldite-(La) from the manganese and iron GlĂŒcksstern Mine associated with hausmannite Mn2+Mn3+ 2 O4 (Thuringia...suggested as representative of the protolith of the Praborna eclogite-facies metacherts (Tumiati et al. 2010) |  | Cenki-Tok, BĂ©nĂ©dicte, Ragu, Alain, Armbruster, Thomas, Chopin, Christian, Medenbach, Olaf (2006) New Mn- and rare-earth-rich epidote-group minerals in metacherts: manganiandrosite-(Ce) and vanadoandrosite-(Ce) European Journal of Mineralogy, 18 (5) 569-582 doi:10.1127/0935-1221/2006/0018-0569 | Journal (article/letter/editorial) | | site; it occurs at the Praborna manganese mine, Saint-Marcel, Aosta valley, Italy, in a Mesozoic eclogite-facies...The locality studied, the Praborna mine near Saint-Marcel, Val dâAosta, Italy, belongs to the eclogite-facies...Paradiso massif at the upper end of the Maurienne Valley, France (Chopin, 1978), and on the north-eastern...latter magnificently developed near Praborna, at the Servette mine (Martin & Tartarotti, 1989)] points...that consist of rhodochrosite and Mn-silicates (pyroxmangite, rhodonite, tephroite, friedelite, humite-group |  | | Journal (article/letter/editorial) | | that was investigated is found at the Byrud emerald mine, in Eidsvoll, Akershus, southern Norway. The mineralization...pegmatite in the upper reaches of the Petreliusa River valley, Khibiny alkaline massif, Kola Peninsula Russia... was discovered in the Praborna Mn deposit, Saint-Marcel, Val dâAosta, Italy, which belongs to the eclogitic...ardennite, pyroxmangite, rhodonite, tephroite, friedelite, and humite-group minerals. The Praborna mine is the...Manganiandrosite-(Ce) was collected on the dumps of the mine and occurs as elongated grains a few tens of micrometers |  | | Journal (issue) | | 944-952 Mn-tourmaline crystals from island of Elnba (Italy) : growth history and growth marks * LAPIS 31(6)...Lemanskiite, a new mineral species from the Abundancia mine, Chile * CANADIAN MINERALOGIST 44(3), 06.06 *...Orthoserpierite and schulenbergite from the Platosa mine, Durango, Mexico 14-15 Kopparbarg at 30 years *...associated secondary minerals from the Telfer gold mine, Western Australia 45-47 A curious calcite morphology...first British occurrence of cesarolite at Eaglebrook mine, Ceulanymaesmawr, Ceredigion, Wales 39-40 Acicular |  | | Catalog/List | | Vetralla Italy) Ixlins ÂŁ4.50 396 TORBERNITE Cu UO PO/4 slightly radioactive. (Old Gunislake Mine Cornwall)...Phlogopite Mica. (Possibly slightly radioactive)(Palabora Mine,S.Africa lxl ÂŁ5 1x2 ÂŁ10 WITH UNUSUAL ELEMENTS...sections in matrix with Eudialyte.Rare not Rich (Umba Mine,Lovozero Massif,Kola Russia) lxl ÂŁ4 1x2 ÂŁ7.50 239...silvery areas in matrix with Tellurite. (La Bambolla Mine Moctezuma, Sonora Mexico) lxl ÂŁ10 14 x 54 ins ÂŁ5...CO/3 0 Quite rich yellow crusts on matrix. (Outpost Mine, San Domingo Wash Maricopa County Arizona) lx)4ins |  | | Journal (issue) | | Characteristics of Blue to Yellow Beryl History of the Chivor Mine, Part I EDITORIAL 1 Spring 2020 VOLUME 56, No...beryl. p. 35 66 History of the Chivor Emerald Mine, Part I (1880â1925): From Rediscovery to Early Production...Ortiz Chronicles developments at the Chivor emerald mine in Colombia between 1880 and 1925, based on archival...archival records. 110 Rhodonite-Pyroxmangite from Tanatz Alp, Switzerland Franca Caucia, Luigi Marinoni...Ukrainian heliodor found in the Volodarsk-Volynskii mine. The carving weighs 1,754.70 ct and measures 165 |  | | Journal (issue) | | Donato, Italy macco.marchesini@agip.it Renato Pagano Casella Postale 37 1-20092 Cinisello, Italy renpagan@tin...Province, Northern Italy. 1â Cassagna mine 2âGambatesa mine 3â Molana quarry 4â Molinello mine 5â Monte Bardeneto...Bianco copper mine 7â Monte Bossea mine 8â Monte Coppello-Reppia prospect 9â Monte Porcile mine 10â Nascio...Nascio 11âScrava mine 12â Pontori Prospect h CD ^ .L IG iU R IA f \ ( I A X , X. LA SPE^IA [ / ,...manganese district of Val Graveglia in northern Italy produced over one million tons of high-grade ore |  | | Book (volume) | | 167 PECTOLITE.176 RHODONITE.182 BUSTAMITE.191 PYROXMANGITE.196 AMPHIBOLE GROUP.203 Anthophyllite-Gedrite...Kitahara, J., 1958. Chromian enstatite from Hirose mine, Tari district, Tottori Prefecture. Journ. Min....and associated rocks on the Rustenburg platinum mine. Trans. Geol. Soc. S. Africa, vol. 55, p. 233. Scholtz...Muir. 25. Salite, skarn, magnetite deposit, Clifton mine, Adirondacks (Hess, 1949). Anal. N. Davidson. ...0-05, BaO 0-006). 30. Ferrosalite, skarn, Fabian Mine, Herrang, Sweden (Magnusson, 1940). Anal. G. Assarsson |  | | Book (volume) | | Spain by F. Vazquez Guzman Portugal by D. Thadeu Italy by P. Zuffardi European part of the U.S.S.R. by...Southwest Europe embraces France, Spain, Portugal and Italy. Each volume has an introductory chapter of the...Elisa and Dorinda Barruecopardo Golpejas or Bellita mine Morille-Martinamor El Cubito El Trasqui16n. Santa...Baixo Tejo and Sado Basins Silica sand deposits Italy by P. Zuffardi Introduction Geological setting Stratigraphy...comprises the territories of France, Luxembourg, Italy, Spain and Portugal. It covers an area of l 451556km |  | | Book (edition) | | Linopolis, Brazil, H Page 13: Gold, 35 mm.Eagle's est Mine, California, G Publi!>hed by Grdllit.u.o. Stefanikova43...(island), Vole. (volcano), Penin. (peninsula), St. (Saint), Ste. (Sainte). Recent developments in many countries...Rice, Dolores co., both Colorado, at the Questa mine, Taos co., New 1994. Abernathyite K2[(UOJ 2l(AsO_J2]âą6HzO...Harding Co .. South Dakota. and at the Fuemrole No2 mine, Emery co .. Utah. Also at Menzenschwand Scbwarzwald...mainly in crystals to 5 cm at the Himmelsftirst mine, Freiberg, both Saxony, Germany. In the subtropical |  | Gaines, Richard V., Skinner, H. Catherine W., Foord, Eugene E., Mason, Brian, Rosenzweig, Abraham, King, Vandall T. (1997) Dana's New Mineralogy (8th ed.) Wiley-Interscience. p.1872 | Book (edition) | | Short Hills, New Jersey. Renato Pagano: Milan, Italy. Ole V. Petersen: Geologisk Museum, Copenhagen,...Spotsylvania Co., and Partridge mine, Orange Co., VA, and at Dahlonega, GA; Homestake mine, Lawrence Co., SD; Silver...Lake Co., Breckenridge(*), Summit Co., Ground Hog mine(*), Gilman Co., Silverton and Telluride, San Juan...Mohave and Cochise Cos., AZ; Elmore, Idaho, and Valley Cos., ID; Goldfield, Esmer- 444.2 Silver 3...Ledge mine, Nevada Co., Jamestown, Tuolumne Co., Colorado quartz mine, Mariposa Co., Bonanza mine, Trinity |  | | Journal (article/letter/editorial) | | Pyrochlore Pyrolusite Pyromorphite Pyrophyllite Pyroxmangite Pyrrhotite Quartz, lechatelierite, keatite,...hanging wall. During a subsequent mining period, the mine was re-opened to recover sideritic parts of the...you look for a mine look near a mineâ. This includes the imperative âif you look for a mine look for smelting...also for the chrome diopside found at Outukumpu mine, a mineral that is ïŹrst and foremost recognized...According to the Raw Materials Group (Sweden), the world mine production in 2005 stood at 19.3 m t metal content | | | Journal (article/letter/editorial) | | Pyrochlore Pyrolusite Pyromorphite Pyrophyllite Pyroxmangite Pyrrhotite Quartz, lechatelierite, keatite,...hanging wall. During a subsequent mining period, the mine was re-opened to recover sideritic parts of the...you look for a mine look near a mineâ. This includes the imperative âif you look for a mine look for smelting...also for the chrome diopside found at Outukumpu mine, a mineral that is ïŹrst and foremost recognized...According to the Raw Materials Group (Sweden), the world mine production in 2005 stood at 19.3 m t metal content |
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Praborna Mine, Saint-Marcel, Aosta Valley, Italy