 | | Journal (article/letter/editorial) | | at the Praborna mine near Saint-Marcel, Val d’Aoste, Italy, and in the upper Maurienne Valley, France...600–650 C), Labrador, Canada (Klein, 1966); with rhodonite, kutnahorite or rhodochrosite, and hematite. 3:...Laytonville, California (Muir Wood, 1982); with rhodonite, grunerite, kutnahorite and deerite. 6: Amphibolite-facies...Andros, Greece (Reinecke, 1987); with quartz, rhodonite, rhodochrosite, deerite, magnetite, barite, androsite-(La)...calcite, bustamite, magnetite. 10. Eclogite facies, Praborna, W. Alps (Martin and Kienast, 1987); with hematite |  | | 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 Géobiosphère 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 |  | | 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...priderite; pyrolusite; pyroxmangite; rhodochrosite; rhodonite; rom6ite; spessartine; futile; 'violan' (diop...MnO) collected by de Lom (1843) from the St. Marcel-Praborna locality. Fermor (1908) also mentioned 'greenovite' |  | 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 |  | Cenki-Tok, Bénédicte, 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 d’Aosta, 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...for their Mn-silicates assemblages including rhodonite, tephroite, friedelite and spessartine (Lacroix |  | 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...wakefieldite-(La) from the manganese and iron Glücksstern 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) |  | Altherr, Rainer, Soder, Christian, Panienka, Sandra, Peters, Daniel, Meyer, Hans-Peter (2013) Pink manganian phengite in a high P/T meta-conglomerate from northern Syros (Cyclades, Greece) Contributions to Mineralogy and Petrology, 166 (5) 1323-1334 doi:10.1007/s00410-013-0929-7 | Journal (article/letter/editorial) | | is from the Praborna mine near St. Marcel, 123 Contrib Mineral Petrol Val d’Aoste, Italy (e.g., Penfield...Corsaglia near Ponte dei Gorrazzi in Piedmont, Italy (Cabella et al. 1992). Here, we describe a new occurrence...(2007) for the Mn–Si–O system, the oxidation of rhodonite Mn2þ Si5 O15 to braunite 5 Mn2þ Mn3þ 6 SiO12...included in calcite johannsenite (CaMn2?Si2O6) or rhodonite at lower fO2 (Cabella et al. 1991; Brusnitsyn...petrology of manganese-rich rocks from St. Marcel, Piedmont Italy. Contrib Mineral Petrol 67:227–232 Brusnitsyn |  | | Catalog/List | | grey mass with Actinolite, large 2x3 inch ..Bastnas Mine Sweden £30 12. SCAPOLITE completely clear single...small quartz crystals, possibly some with faces. lxl Mine, Washoe County Nevada USA £30 Olinghouse ......on lxl inch matrix Arizona USA £18 · Inspiration mine, Gila County, 21. HAMBERGITE chalky-white crystalline...tabular twinned crystal about 1cm size ( Telino Mine, Linopolis, Minas Gerais Brazil) £25 . 1'fa Be PO4...TITANITE variety "Greenovite" (Praborna Mine, St Marcel, Aosta Italy) pink vein about 3mm wide and 3cm |  | | Journal (article/letter/editorial) | | 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...domain. The Turtmanntal, a tributary to the Rhone Valley in Canton Wallis, Western Switzerland, belongs...et al. 1987; Fig. 1). In the upper part of the valley, the pre-Mesozoic crystalline rocks of the “Ensemble...reported only from the type locality in Val Graveglia, Italy (Basso et al. 1992), and its presence mn-rich |  | | Journal (article/letter/editorial) | | found at Hashupa and at Alchuri, in the Shigar Valley, Northern Areas, Pakistan (Blauwet 2006). • Good...striated epidotes in matrix, from the Calumet iron mine, Colorado. Epidote was described in 1801 by Haüy...collectors. Within the United States, the Green Monster mine, Prince of Wales Island, Alaska, has yielded superb...quartz (Leavens and Thomssen 1977); the Calumet iron mine, Chaffee County, Colorado, is a notable locale for...quartz and yellow-green titanite, from the Capelinha mine, Minas Gerais, Brazil, are relatively inexpensive |  | | 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 d’Aosta, Italy, which belongs to the eclogitic...pyroxmangite, rhodonite, tephroite, friedelite, and humite-group minerals. The Praborna mine is the type...Manganiandrosite-(Ce) was collected on the dumps of the mine and occurs as elongated grains a few tens of micrometers |  | | Journal (article/letter/editorial) | | Oberhalbstein, Switzerland (Geiger 1948), at Praborna in the Aosta Valley, Italy (Martin-Vernizzi 1984, Perseil 1991)...1991), and in the Ligurian Alps, Italy (Cortesogno et al. 1979), in other chert-hosted deposits in the...1993), in sandstone-hosted deposits at the Kombat mine, Namibia (Dunn 1991); and in carbonate-hosted deposits...metamorphism. REGIONAL GEOLOGY Val Ferrera, a high valley with the source of a tributary to the Rhine in...Fianel 3: Starlera 4: Bergwiesen SP Val Ferrera Italy Thusis 3 2 1 SB 4? SP ? ? S A 20 km ? |  | Roth, Philippe, Meisser, Nicolas, Nestola, Fabrizio, Škoda, Radek, Cámara, Fernando, Bosi, Ferdinando, Ciriotti, Marco E., Hålenius, Ulf, Schnyder, Cédric, Bracco, Roberto (2020) Rüdlingerite, Mn2+2V5+As5+O7·2H2O, a New Species Isostructural with Fianelite. Minerals, 10 (11) 960 doi:10.3390/min10110960 | Journal (article/letter/editorial) | | Università degli studi di Padova, 35131 Padova, Italy; fabrizio.nestola@unipd.it Department of Geological...Università degli Studi di Milano, 20133 Milano, Italy; fernando.camara@unimi.it Dipartimento di Scienze...Terra, Sapienza Università di Roma, 00185 Rome, Italy; ferdinando.bosi@uniroma1.it CNR–Istituto di Geoscienze...Geoscienze e Georisorse, UOS Roma, 00185 Roma, Italy Dipartimento di Scienze della Terra, Università degli...degli Studi di Torino, 10125 Torino, Italy; marco.ciriotti@unito.it Associazione Micromineralogica Italiana |  | | 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 | | matrix hl !3 5 AGARDITE (Ce) r ...fe green micro's Mine, Wolf;_n, West Germany) 'h ins f.3. 60 6 ALBITE...fi1icaeousscales on matrix a (St M~rcel, Val d'Aosta Italy) W 1J:1 7Cp 1x2 f 1. 30 2x2 :t3. 00 brc~n ~~ss...yellow pea size masses &crusts on Quartz (les Anglais Mine, Massiac,Brouse France) lxl 60p 1x2 fl.10 56 BIOTITE...61 BORNITE rich purple mass in matrix.(Gortdrum Mine, Tipperary S.Ireland) location closed. lxl 50p 1x2...BOULANGERITE grey masses in and on matrix.(Melba Mine, N.E.Dundas Tasmania) lxl !1.90 1x2 !4.00 64 BOULANGERITE |  | | Journal (article/letter/editorial) | | todorokite and birnessite through the oxidation of the rhodonite veinlets. This is apparently the first observation...todorokite and birnessite come from the late rhodonite veinlets and are not related with the primary...due fi l'oxydation des veinules post~rieures de rhodonite. Ces deux oxydes n'ont aucun rapport direct avec...amas sont travers6s par de fines veinules de rhodonite rose ou de tinz6nite brunfitre. L'observation...pour la premi6re fois dans le minerai de St. Marcel-Praborna Italie (Perseil 1988), est li6e it l'activit6 |  | | Catalog/List | | crystals on dar~ matrix. (not radioactive) (Leonie Mine, huerbach, Oberpfal Genany) Sto 10mmf3 l/2in;; ES...Silicate pinkish massiv~ with black Allanite (Bastnas Mine, Riddarhytt2n Vastm~~l2nd,Sw2deri) Cu/2 Se 039...(Ti Nb 0 rich black nasses in matrix (Karnasurt Mine, Revda, Kola Peninsula, Russia) lxl E2.50 lx2 ins...PO/~ • yellowish plates on mauvEUssingit~ (UmDa Mine, Reuda, Kola Peninsula • Russia) (6a pure plate...Group) rich fawnmassive. Xrayed meial. (Sjogruvan Mine, Grythyttan, Sweden) lxl fl.50 lx2 E3 2x2 E6 053 |  | | Journal (article/letter/editorial) | | far, as follows: the Cetine mine and the Pereta mine, both in Tuscany, Italy [1,2]. It cooccurs there with...reach a length of 50 µm. Brizziite from the Pereta mine is also a secondary phase after the Sb primary minerals...Kα, 0.03), Ca (PET, baryte–Ba (PET, Lα, 0.06), rhodonite–Mn (LIF, Kα, 0.09), hematite–Fe (LIF, Kα, 0.08)...atoms of oxygen per baryte–Ba (PET, Lα, 0.06), rhodonite–Mn (LIF, Kα, 0.09), hematite–Fe (LIF, Kα, 0.08)...they Switzerland (791 and 829 cm−1), and Italy (Praborna Mine, 791 and 811 cm−1 and Cetine, are attributed |  | | 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 |  | Perchiazzi, Natale, Mauro, Daniela, Vignola, Pietro, Zaccarini, Federica, Eldjarn, Knut (2021) Zoisite-(Pb), a New Orthorhombic Epidote-Related Mineral from the Jakobsberg Mine, Värmland, Sweden, and Its Relationships with Hancockite. Minerals, 12 (1) 51 doi:10.3390/min12010051 | Journal (article/letter/editorial) | | Orthorhombic Epidote-Related Mineral from the Jakobsberg Mine, Värmland, Sweden, and Its Relationships with Hancockite...Orthorhombic Epidote-Related Mineral from the Jakobsberg Mine, Värmland, Sweden, and Its Relationships with Hancockite...Pisa, Italy Museo di Storia Naturale dell’Università di Pisa, Via Roma 79, I-56011 Calci, Italy; daniela...delle Ricerche, Via Mario Bianco 9, I-20131 Milan, Italy; pietro.vignola@igag.cnr.it Department of Applied...18 Università di Pisa, Via Roma 79, Calci (Pisa, Italy), under catalogue number 19,9 present in epidote |  | | 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 |  | Schingaro, Emanuela, Scordari, Fernando, Capitanio, Flavio, Parodi, Giancarlo, Smith, David C., Mottana, Annibale (2001) Crystal chemistry of kimzeyite from Anguillara, Mts. Sabatini, Italy. European Journal of Mineralogy, 13 (4) 749-759 doi:10.1127/0935-1221/2001/0013-0749 | Journal (article/letter/editorial) | | chemistry of kimzeyite from Anguillara, Mts. Sabatini, Italy EMANUELA SCHINGARO1, FERNANDO SCORDARI1*, FLAVIO...Università di Bari, via E. Orabona 4, I-70125, Bari, Italy *e-mail: scordari@lgxserver.uniba.it 2 Dipartimento...Università di Romatre, via Ostiense 169, I-00154, Roma, Italy 3 Laboratoire de Minéralogie, Muséum National...chemistry of kimzeyite from Anguillara Sabazia (Latium, Italy), a village located on the southern shore of the...within the Roman Perpotassic Province of central Italy. are included in hercynite and small interstices |  | | Catalog/List | | mass. small pale blue crystals on matrix. Benallt Mine,Lleyn ,Wales lxl £5 lx2 £8 Parclho, Pariba,Brazil)...Parnmirim Region, Agua Quen1a,Bal1ia, Brazil Benallt Mine, Llcyn Wales A)£3 B) £5 3mm £4 5mm £6 lxl £6...micros gemmy yellow-green crystal section. Bcckermet Mine. Cumbria lxl £2 131 40 BARYfES 211 BRAZILIANITE...Goldstrike Pit, Elko,Nevada. U.S.A Divino des Laranjeiras Mine, Minas Gerias,Brazil Magnet Cove,Arkansas,USA ½...Comwall Wagholi Quarry,Poona,India lxl £3 Funauchi Mine, Aikta Prefecture.Japan Venice Dome, Lousiana, U |  | | 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 |
|
Praborna Mine, Saint-Marcel, Aosta Valley, Italy