 | Tumiati, Simone, Godard, Gaston, Martin, Silvana, Malaspina, Nadia, Poli, Stefano (2015) Ultra-oxidized rocks in subduction mélanges? 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 dell’Ambiente e del...Scienza 4, 20126 Milano, Italy CE ABSTRACT The manganese ore of Praborna (Italian Western Alps) is...on this dataset and the observed assemblages at Praborna, thermodynamic calculations show that these mélange...with care. From the study of mélange rocks at Praborna, the distribution of oxygen at subduction zones |  | | Journal (article/letter/editorial) | | manganese concentrations at St. Marcel-Praborna, Aosta Valley, Italy: petrography and crystal chemistry...D.C., 429 Arsenopalladinite, from the Cau~ iron mine, Itabira District, Minas Gerais, Brazil, 455 ARSLAN...497; high in Ti from ignimbrites from the Zilan Valley, Eastern Turkey, 750 BIRCH, W.D., 143, 305 Birimian...570 BRAZIL, palladium minerals from the Cau8 iron mine, Itabira District, Minas Gerais, 455 BRIGATrl, M...273 CLARKE, D.B., 311 Clintonite, in skarns from Italy, 149 COENRAADS,R.R., 465 Colour, changes and crystallographic |  | | Journal (article/letter/editorial) | | (jacobsite; reduced horizons with manganosite ± hausmannite; Fe-rich zones with magnetite and hematite) and...(jacobsite; niveaux réduits à manganosite ± hausmannite; niveaux ferrugineux à magnétite et hématite)...Ködnitz Valley, Eastern Alps; Abrecht (1990); Graubünden, Central Alps; Geiger (1948); Praborna and Val...grade (Gonzen, Val Graveglia) to eclogitic facies (Praborna). They developed complex assemblages of metamorphic...presence of reduced horizons with manganosite and hausmannite, and for the relative abundance of a suite of |  | | Journal (article/letter/editorial) | | at the Praborna mine near Saint-Marcel, Val d’Aoste, Italy, and in the upper Maurienne Valley, France...clinopyroxene, hausmannite, apatite, Mn-rich calcite, bustamite, magnetite. 10. Eclogite facies, Praborna, W. Alps...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 d’Aosta, Italy, on the north-eastern flank of the Gran...latter magnificently developed near Praborna, at the Servette mine (Martin and Tartarotti, 1989)] points |  | | 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...phengite); birnessite; braunite; cryptomelane; hausmannite; hollandite; manganite; piemontite; priderite;...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 Université de Paris, Institut de Physique du Globe...005)O4⸱nH2O has been found in metacherts from Praborna (Italian Alps) as micrometer-sized euhedral crystals...the manganese and iron Glücksstern Mine associated with hausmannite Mn2+Mn3+ 2 O4 (Thuringia, Germany)...suggested as representative of the protolith of the Praborna eclogite-facies metacherts (Tumiati et al. 2010) |  | | Journal (article/letter/editorial) | | MANGANIFEROUS DEPOSITS FROM ST. MARCEL – PRABORNA, VAL D’AOSTA, ITALY ELENA-ADRIANA PERSEIL Laboratoire...manganiferous deposit at the St. Marcel – Praborna mine in the Val d’Aosta, Italy. Three types of fluorapatite...electron-microprobe analysis, arsenic, quencher, St. Marcel – Praborna, Italy. SOMMAIRE Nous décrivons d’importantes...concentrations manganésifères de la mine de St. Marcel – Praborna dans le Val d’Aoste, Italie. Trois types...effet d’inhibition de la luminescence, St. Marcel – Praborna, Italie. INTRODUCTION Arsenic-bearing apatite |  | | Journal (article/letter/editorial) | | oxydes de manganese dans le gisement de St. Marcel-Praborna - V. Aoste, Italie E. A. Perseil Laboratoire...Paris Resumt. La braunite du gisement de St. Marcel-Praborna, dans le Val d'Aoste (Italie) prtsente un certain...et l'tvolution des oxydes mangantsifhres de St. Marcel sont des traits que l'on retrouve dans les oxydes...metamorphosed Mn ore-body at St. Marcel-Praborna Val d'Aosta, Italy, occurs in several textural forms...relationships and[ the evolution of the Mn-oxides of St. Marcel have the characteristics of oxides in those polymetallic |  | | Catalog/List | | 1077 ■ ALLOPHANE Hawkswood Mine, Cornwall 220 ■ CLINOSAFFLORITE Capitol Mine. Gowganda, Ontario.Canada...£3 lx2£6 CurichAdamile 766 ■ DIOPTASE Christmas Mine, Gila County, Arizona ,USA Green elongated micro...lxl£6 CuSi0 .. - - -- -·- 131 ■ DOLOMITE Carrock Mine, Caldbeck Fells, Cumbria FERROAN DOLOMITE, rich...massive lxl £1 lx2 £2 2x2 £5 104 ■ EMMONSITE Bambolla Mine, Moctezuma, Mexico Green crusts on matrix. quite...sandstone lxl £3.50 1140 ■ ERYTHRITE Skutterud Cobalt Mine. Vikersund Norway Pink coating on schist. quite |  | Biagioni, Cristian, Capalbo, Carmen, Lezzerini, Marco, Pasero, Marco (2014) Ferrihollandite, BaMn4+6Fe3+2O16, from Apuan Alps, Tuscany, Italy: description and crystal structure. European Journal of Mineralogy, 26 (1) 171-178 doi:10.1127/0935-1221/2013/0025-2353 | Journal (article/letter/editorial) | | Ferrihollandite, BaMn4þ6Fe3þ2O16, from Apuan Alps, Tuscany, Italy: description and crystal structure CRISTIAN BIAGIONI*...Università di Pisa, Via S. Maria 53, 56126 Pisa, Italy *Corresponding author, e-mail: biagioni@dst.unipi...hydrothermal ores from Vagli, Apuan Alps, Tuscany, Italy, on the basis of chemical and X-ray diffraction...oxides, crystal structure, Apuan Alps, Tuscany, Italy. describe a phase having Ba2þ as dominant tunnel...al., 1996) and mannardite from the Monte Arsiccio mine (Biagioni et al., 2009a). Fig. 1. Ferrihollandite |  | | Catalog/List | | pinkish fine grained mass in Calcite.(Dark Star Mine,Ravalli County, Montana USA) 1 x 14 £2.50 1x1 £4...guite rich black masses in matrix (Union Carbide Mine, Wilson Springs Garland County, Arkansas USA) 1x1...fairly sparse, green crusts on matrix. (San Miguel Mine Moctezuma Mexico) 1cm piece £ 5 5mm £3 WITH UNUSUAL...CO/3 0 Quite rich yellow crusts on matrix. (Outpost Mine, San Domingo Wash Maricopa County Arizona) Ixliins...MINERAL !I dark red micro's on matrix. (Getchell Mine,Humboldt Co . Nevada USA) 5mm £4 up to 1.5cm £7 |  | | Catalog/List | | massive with minor Celsian and Bementite from Benallt Mine, Lleyn, Wales, (Recently tested by XRD) lxl £4 lx2...£15 £6 88 ADAMITE Ojuela Mine, Mapimi, Mexico 1036 ALSTONITE Fallowfield Mine, Northumberland Colourless...x2 £ 1.50 2x2 £3 Al SO/4 767 ■ AJOITE Christmas Mine, Gila County, Arizona USA 14 ALUMINITE Railway cutting...~-------·-·-- ·· -·· 1077 ■■ ALLOPHANE Hawkswood Mine, Cornwall 933 ANATASE Hingston Quarry,Cornwall Black...Kola Russia 501 ALLOPHANE New East Wheal Russell mine, Devon ,England grey bleby small botryoidal with |  | | Catalog/List | | ___ 2x2£3 ___ - -----~ - ~014_ _ 88 ADAMITE Ojuela Mine, Mapimi, Mexico 69 ALUMOHYDROCALCITE South Bay,...- - --··---- - - - - - · . 767 AJOITE Christmas Mine, Gila County, Arizona USA 17 ANAL CITE Talisker...North Sweden 501 ALLOPHANE New East Whcal Russell mine, Devon ,England variety VIRIDINE (Mangan rich variety)...217 ANDORITE San Jose Mine, Oruro, Bolivia 1129 ■ ALMANDINE Brnstad iron Mine near Arendnl ,Norway Pure...Bcnallt Minc,Llcyn. Wales 1036 ALSTONITE Fnllowlielcl Mine, Northumberland White masses in malrix wilh micro |  | | Catalog/List | | lx2 £2 lxl£3 2x2£12 lx2£5 lxl £1 ----· Hawkswood Mine, Cornwall ANDALUSITE Cabracao, Minl10, Portugal...Andalucia Spain. Type Location New East Whcal Russell mine, Devon ,England 140 grey bleby small botryoidal..._lx2_ _80 _ _____ _,o 1129 ALMANDINE Braslad iron Mine near Arendal ,Norway Unknown location I 1 63 □a...lxl£2 2x3£6 3x4£8 feldspar ALSTONITE Fallowfield Mine, Northumberland ANDRADITE Grua. Oppland Norway 5...2x3£15 Gamet ½" £3 ALTHAUSITE ANDRADITE Benallt Mine,Lleyn ,Wales Modum, Buskerud,Norway 975 44 Brown-purple |  | | Catalog/List | | Vetralla Italy) Ixlins £4.50 396 TORBERNITE Cu UO PO/4 slightly radioactive. (Old Gunislake Mine Cornwall)...Phlogopite Mica. (Possibly slightly radioactive)(Palabora Mine,S.Africa lxl £5 1x2 £10 WITH UNUSUAL ELEMENTS...sections in matrix with Eudialyte.Rare not Rich (Umba Mine,Lovozero Massif,Kola Russia) lxl £4 1x2 £7.50 239...silvery areas in matrix with Tellurite. (La Bambolla Mine Moctezuma, Sonora Mexico) lxl £10 14 x 54 ins £5...CO/3 0 Quite rich yellow crusts on matrix. (Outpost Mine, San Domingo Wash Maricopa County Arizona) lx)4ins |  | Holtstam, Dan, Cámara, Fernando, Skogby, Henrik, Karlsson, Andreas, Langhof, Jörgen (2019) Description and recognition of potassic-richterite, an amphibole supergroup mineral from the Pajsberg ore field, Värmland, Sweden. Mineralogy and Petrology, 113 (1) 7-16 doi:10.1007/s00710-018-0623-6 | Journal (article/letter/editorial) | | Milano, Via Luigi Mangiagalli 34, 20133 Milan, Italy dominant amphibole varieties in what is now defined...reported from the metamorphosed Praborna manganese ore deposit, Val d’Aosta, Italy (Mottana and Griffin 1986;...Holtstam et al. a pyroclastic deposit, Monte Somma, Italy. A K-rich richteritic amphibole with Fe2+ > Mg ...mean the Stora Pajsberg mine (59 °47.04’ N; 14 °19.03′ E), or the Harstigen mine (59 °47.10’ N, 14 °18...physical resemblance to skarn from the Stora Pajsberg mine. It was originally collected by the mineralogist |  | | Journal (issue) | | Donato, Italy macco.marchesini@agip.it Renato Pagano Casella Postale 37 1-20092 Cinisello, Italy renpagan@tin...Province, Northern Italy. 1— Cassagna mine 2—Gambatesa mine 3— Molana quarry 4— Molinello mine 5— Monte Bardeneto...Bianco copper mine 7— Monte Bossea mine 8— Monte Coppello-Reppia prospect 9— Monte Porcile mine 10— Nascio...Nascio 11—Scrava mine 12— 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 |  | | Journal (article/letter/editorial) | | it is relatively common at the nearby Jakobsberg mine, another deposit of LaÊngban type (Holtstam and...Langhof (1999) show BaO reaching 1.08% in the hausmannite ore, which also has 8ÿ10% Pb and 400 ppm Sb as...and Suzuki, Y (1996) RomeÂite from the Gozaisho mine, Iwaki, Japan. , , 155ÿ160. McSwiggen, P.L., Morey...and apuanite, 2 new minerals from the Apuan Alps, Italy. , , Êngban: the La Mines, their Minerals, Geology...the manganese concentrations at St Marcel-Praborna, Aosta Valley, Italy: Petrography and crystalchemistry |  | | Book (volume) | | esagonali di calcite. Monte Rosso di Verra, presso Saint Jacques, Champoluc, Val d'Aosta. In basso, a destra:...aghi sottili, anche in Val d ' Aosta (Montjo vet e Bellecombe presso Saint Vincent, Monte Rosso di Verra...si trova rararnente nella miniera di Saint Marcel in Val d' Aosta, come localita unica al mon do. Il violano...4 - Violano, in masse tipicamente violacee. St. Marcel, Val d'Aosta (1 x). 264 Traversel l ite Un'altra...sim metria triclina, fu trovato a Saint Marcel i n Val d' Aosta, insieme a molto materiale compatto |  | | Journal (article/letter/editorial) | | Woodstock, New Brunswick, Canada Ligurian Apennine, Italy Val d'Err, Graubfinden, Switzerland Southern Evvia...Evvia, Greece quartz veins in braunite _+hausmannite quartzites Mn-- Al-silicate-bearing quartz layers...References Gran Paradiso Massif, French Alps Praborna, Aosta, Italy quartz,piemontite,spessartine, braunite...amphibolite-facies metamorphism Cignana Lake, Valtournanche, Italy Brezovica, Serbia, Yougoslavia Haast River, New...Yamamoto R (1981) Pumpellyite-(Mn2+) from the Ochiai Mine, Yamanashi Prefecture, Japan Bull Mineral 104: 396-399 |  | Bonazzi, P., Holtstam, D., Bindi, L., Nysten, P., Capitani, G. (2009) Multi-analytical approach to solve the puzzle of an allanite-subgroup mineral from Kesebol, Vastra Gotaland, Sweden. American Mineralogist, 94 (1) 121-134 doi:10.2138/am.2009.2998 | Journal (article/letter/editorial) | | Università di Firenze, via La Pira 4, I-50121 Firenze, Italy 2 Naturhistoriska riksmuseet, Box 50007, SE-104...Università di Firenze, via La Pira 4, I-50121 Firenze, Italy 4 Department of Earth Sciences, Uppsala University...Università di Bari, Via E. Orabona 4, I-70125, Bari, Italy 1 aBstract Dark-brownish, euhedral crystals of...separated components: oxide mineralization (hausmannite ± jacobsite) and carbonate-silicate mineralization...region of monoclinic epidotes from Praborna (St. Marcel, Aosta Valley, Italy). European Journal of Mineralogy |  | | Book (edition) | | MINE andtheir LOCALITIES JAN H. BERNARD AND JAROSLAV HYRSL INERALS DESCRIBED SINCE 2004 MINERALS...dist., China Fluomatromicrolite, x 25111111, Naipa mine, Mozambique Daliranite, 5111111, Zarshouran Au-As...Domafov, Czech Rep. Juangodoyite, 60111111, Santa Rosa mine, Chile Back cover photo: Ho/fertile on hematite...piment pseudomo,phs after realga,; 75 mm, Palomo mine, Pen, Page 3: Stepite on arsenic, 45 111111,Jachymov...Saint Sainte island mount, mountain Mts. R. Penin. Vole |  | | Catalog/List | | Rich grey silvery platy mass in matrix (San Jose Mine,Oruro, Bolivia) 1cm t4 Very rich 2cm piece £10 ...sections in maliix with Eudialyte.Rare not Rich (Umba Mine,Lovozero Massif,Kola Russia) lxl £4 lx2 £7.50 317...'rELLURIUM Rich silvery vein in matrix. (La eambolla Mine Moctezuma Sonora Mexico) 1 x half ins £10 flakes...Nickel,Cobalt Selenide. Dark grey mass . IEl Dragon Mine, Potosi, Bolivia) See Min Ree Vol 21 pagel33 10...quite rich black masses in matrix (Union Carbide Mine, Wilson Springs Garland County, Arkansas USA) lxl |  | | 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]•6HzO...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 |  | | Book (volume) | | d'Ala, in Val Malenco, in Val d'Aosta (Emarese, Saint Vincent, Champoluc), in Val di Susa (Avigliana)...sparsi un po' dovunque nella catena alpina (St. Marcel in Val d'Aosta ; Monte Civillina presso Recoaro...greenovite, il violano (ti- pici di Saint Marcel in Val d 'Aosta), la pirox mangite, la tefroite, la...- Ouarzo, geminato , de/ Giappone JI. Brusson, Aosta (1 x). 4 - Ouarzo atfumicato, geminato , de/ Delfinato...+2 e +3), con spessartite gia//a (1,5x). Saint Marcel, Aosta. 3 - Cianite (co/ore dovuto forse a difetti |
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