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Epidote from
Praborna Mine, Saint-Marcel, Aosta Valley, Italy


Locality type:Mine
Classification
Species:Epidote
Formula:(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Confirmation
Validity:Believed Valid
Associated Minerals:
Associates:Roméite Group
Data
Mineral Data:Click here to view Epidote data
Locality Data:Click here to view Praborna Mine, Saint-Marcel, Aosta Valley, Italy
Data Identifiers
Mindat Occurrence Record ID:115075
Long-form Identifier:1:3:115075:9
GUID (UUID V4):b3d67b59-ca5a-46de-8198-4c43eff0a6e6
Nearest other occurrences of Epidote
2.4km (1.5 miles) Servette-Chuc mining complex, Saint-Marcel, Aosta Valley, Italy
7.2km (4.5 miles) Col de Raye Chevrère, Clavalité Valley, Fénis, Aosta Valley, Italy
9.7km (6.0 miles) Fenêtre de Champorcher Pass, Champorcher, Aosta Valley, Italy
12.6km (7.8 miles) Varenche Mine, Saint-Barthélemy, Nus, Aosta Valley, Italy
15.0km (9.3 miles) Monte Nero, Vallone di Vercoche, Valle della Legna (Vallée de l'Alleigne), Champorcher, Aosta Valley, Italy
16.7km (10.4 miles) Bellecombe, Châtillon, Aosta Valley, Italy
17.1km (10.6 miles) Ponte delle Capre (Pont des Chèvres) area, Châtillon, Aosta Valley, Italy
24.8km (15.4 miles) Comba de la Sassa (Comba della Sassa; Sassa Valley), Bionaz, Aosta Valley, Italy
24.8km (15.4 miles) Brusson Mine, Brusson, Aosta Valley, Italy
27.7km (17.2 miles) Gouffre des Busserailles, Valtournenche, Aosta Valley, Italy
References
Reference Search (possible matching items)
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)
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 omphacite breakdown; omphacite and Mn-rich epidote, a minor reactant, provided vanadium and REE, respectively...the mineral, coexisting with hematite, Mn-rich epidote, and braunite, formed during retrogression to greenschistfacies
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)
at the Praborna mine near Saint-Marcel, Val d’Aoste, Italy, and in the upper Maurienne Valley, France...gneiss with quartz, microcline, albite, biotite, epidote, hematite, titanite and zircon). 9: Ultrahigh-temperature...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 d’Aosta, Italy, on the north-eastern flank of the Gran
Journal (article/letter/editorial)
2006, 18, 569–582 New Mn- and rare-earth-rich epidote-group minerals in metacherts: manganiandrosite-(Ce)...Abstract: Two new rare-earth-bearing members of the epidote group are described from carbonate pods in Mn-rich...site; it occurs at the Praborna manganese mine, Saint-Marcel, Aosta valley, Italy, in a Mesozoic eclogite-facies...greenish brown //b. The root-name applies to any epidote-group mineral in which REE are dominant in A2,...significant Mn2+ on A1 and should be reanalysed. Other epidote-group minerals from the Pyrenean deposits represent
Journal (article/letter/editorial)
Attractive Blue Diopside from Sissone Valley, Western Alps, Italy Franca Caucia 1, *, Maurizio Scacchetti...Attractive Blue Diopside from Sissone Valley, Western Alps, Italy. Minerals 2021, 11, 837. https:// doi...University of Pavia, Via Ferrata 1, 27100 Pavia, Italy; mauscacchetti@alice.it (M.S.); luigitito.marinoni@unipv...ResourcesInstitute CNR, Via Ferrata 1, 27100 Pavia, Italy; langone@igg.cnr.it Geosciences Department, University...University of Padova, Via Gradenigo 6, 35100 Padova, Italy; omar.bartoli@unipd.it Correspondence: caucia@crystal
Report (issue)
X-ray Powder Pattern: Praborna Mn deposit, Saint-Marcel, Val d’Aosta, Italy. [calculated pattern] 2...0.07 [1.45] 96.59 (1) Praborna Mn deposit, Saint-Marcel, Val d’Aosta, Italy; average of 4 electron microprobe...96Mn3+0.04]Σ=1.00Si2O7SiO4O(OH). Mineral Group: Epidote group, allanite subgroup. Occurrence: In metamorphosed...Distribution: From the dumps of the Praborna Mn deposit, Saint-Marcel, Val d’Aosta, Italy, Name: The Ce analogue of...of manganiandrosite-(La). An epidote-group mineral in which Mn2+ is dominant in A1, REE are dominant
Journal (article/letter/editorial)
Studi di Milano, Via Mangiagalli 34, 20133 Milano, Italy Dipartimento di Geoscienze, Università degli Studi...Studi di Padova, Via G. Gradenigo 6, 35131 Padova, Italy; silvana.martin@unipd.it Dipartimento di Scienze...di Torino, Via Valperga Caluso 35, 10125 Torino, Italy; andrea.festa@unito.it (A.F.); gianni.balestro@unito...particularly on the metaophiolites exposed in the Aosta Valley and in the Monviso Complex because, due to their...the Alps. In the northwestern Alps, as in the Aosta Valley for example, the high-pressure metamorphic peaks
Journal (article/letter/editorial)
nodule in a quartzose schist (metachert) from the epidote-amphibolite facies area of the Sanbagawa metamorphic...the existence of two possible new endmembers for epidote-group minerals: “Ba-piemontite [BaCa(Mn3+, Fe3+...hollandite, was recently reported from the Praborna Mn deposit, Italy (Meisser et al. 1999). This occurrence...occurrence shows that, in addition to epidote-group minerals, hollandite-type phases may also act as Sr-reservoirs...second report following the type crystal from Woods mine, Australia (Kawachi et al. 1996). Aggregates of
Journal (article/letter/editorial)
ocean floor origin for the complex. The St. Marcel valley (Fig. 1, locality 3) includes both oceanic and...minerals such as epidote, lawsonite, glaucophane, talc, chlorite and chloritoid. Epidote was separated from...collected from Servette and Fontillon, near St. Marcel. They are representative of a suite of eclogitised...Täschalm. It is composed of abundant fine-grained epidote and quartz, along with minor amounts of garnet...collected from the Lago di Cignana and the Praborna manganese mine areas. DC50B is a garnet mica schist, in
Journal (article/letter/editorial)
Studi di Milano, Via Mangiagalli 34, 20133 Milano, Italy (davide.zanoni@unimi.it) 2 Dipartimento di Scienze...degli Studi di Pavia, Via Ferrata 1, 27100 Pavia, Italy 1 Short title: OCEAN FLOOR TO SUBDUCTION RECORD...oceanic Zermatt-Saas Zone (Western Alps, northwestern Italy) during Alpine subduction. Rodingites occur in the...chlorite. Three rodingite types can be defined: epidote-bearing, garnetchlorite-clinopyroxene-bearing,...MgchloriteII + garnetII ± rutile ± tremoliteI in the epidote-bearing rodingite; (b) Mg-chloriteII + garnetII
Journal (article/letter/editorial)
Collector’s Guide he t o t Epidote Group ROBERT J. LAUF 998 W. Outer Drive Oak Ridge, Tennessee 37830...his collection T he epidote group consists of twenty minerals, of which epidote, clinozoisite, and the...approved nomenclature. Taxonomy of the Epidote Group The epidote group has suffered over the years from...the crystals continued to grow. committee on Epidote-Group Mineral Nomenclature. The result of that...to the Mica Group, and Collector’s Guide to the Epidote Group, which were recently published by Schiffer
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... Medenbach (2006) New Mn- and rare-earth rich epidote-group minerals in metacherts: manganiandrosite-(Ce)... J. Mineral., 18, 569–582. Two new species of epidote-group minerals have been described from carbonate... was discovered in the Praborna Mn deposit, Saint-Marcel, Val d’Aosta, Italy, which belongs to the eclogitic
Report (issue)
30 0.14 0.00 Total 100.00 3+ 3+ (1) St. Marcel, Italy; corresponds to (Ca1:78 Mn 2+ 0:13 Na 0:10 K0:03...12 [O0:45 (OH)0:08 ] §=0:53 : Mineral Group: Epidote group. Occurrence: In regionally metamorphosed...rhyolites, andesites, and diorites. Association: Epidote, tremolite, glaucophane, orthoclase, quartz, calcite...localities. In the Praborna mine, south of St. Marcel, Val d'Aosta, Piedmont, Italy. In Sweden, on SÄorhº...Garnet Lake and in the Agnew Meadow mine, Madera Co., and in the Braito mine, Plumas Co., California; in the
Journal (article/letter/editorial)
metasedimentary succession from southern Apennines (Italy): Genesis constraints T ⁎ Rosa Sinisia, , Giovanni...Basilicata, viale Ateneo Lucano 10, 85100 Potenza, Italy Dipartimento di Biologia, Ecologia e Scienze della...Calabria, via P. Bucci, 87036 Arcavacata di Rende, Italy A R T I C L E I N F O A B S T R A C T Keywords:...Apennines (at Mormanno site, Calabria-Lucania border, Italy). The mineralization mainly consists of three types...braunite, quartz, Mn oxi-hydroxides and Mn-rich epidote (piemontite). Petrographic observations revealed
Journal (article/letter/editorial)
channel at pressures between 15 and 20 kbar, in the epidote blueschist facies. Exhumation of the underlying...from Saas-Fee area (Switzerland) to the Aosta valley (Italy; Fig. 1c), belongs to the internal Liguro–...2008). Serpentinite breccias from the southern Aosta valley (Mont Avic area) described by Tartarotti et...blueschist/eclogite belts, lawsonite was in fact retrogressed to epidote-bearing rhombic shaped aggregates during decompression...pseudomorphs in the whole ophiolite unit (Täsch valley: Bearth, 1966; Fry and Fyfe, 1971; Fry and Barnicoat
Journal (article/letter/editorial)
2006, 18, 551-567 Recommended nomenclature of epidote-group minerals THOMAS ARMBRUSTER1,* (Chairman)...dell’Università di Firenze, Via La Pira 4, I-50121 Firenze, Italy 3Department of Geoscience, Faculty of Science and...di Pisa, Via S. Maria 53, I-56126 Pisa, Italy Abstract: Epidote-group minerals are monoclinic in symmetry...is thus not considered a member of the epidote-group. Epidote-group minerals are divided into three subgroups...= clinozoisite-(Sr) (new), hancockite (old) = epidote-(Pb) (new), tweddillite (old) = manganipiemontite-(Sr)
Journal (article/letter/editorial)
Piemonte–Ligurian units south of Aosta Valley: New evidence from Urtier Valley (Western Alps) Alessandro Ellero1...Ellero1 1 CNR‐IGG, Pisa, Italy 2 San Giuliano Terme, Italy | Andrea Loprieno2 Correspondence Alessandro...Ellero, CNR‐IGG, Via G. Moruzzi, 1, 56124 Pisa, Italy. Email: a.ellero@igg.cnr.it Handling Editor: C....investigations performed in the Urtier Valley, located south of Aosta Valley at the northern flank of the Gran...the nappe stack exposed south and north of the Aosta Valley are reported. In fact, contrary to what is observed
Journal (article/letter/editorial)
ECLOGITES FROM VERRES, VAL D'AOSTA, WESTERN ALPS, ITALY C. B A L D E L L I 1, G.V. D A L P I A Z 1 and B...Istituto di Geologia, UniversiM di Padova, Padova (Italy) ~ Centro di Studio sui Problemi dell'Orogeno delle... (Consiglio Nazionale delle Ricerche), Torino (Italy) (Accepted for publication October 23, 1984) Abstract...eclogites from Verres, Val d'Aosta, Western Alps, Italy. In: D.C. Smith, G. Franz and D. Gebauer (Guest-Editors)...and Fe-rich layers of the Verres metagabbro in Italy, a large gabbro body belonging to the Piedmont ophiolite
Report (issue)
062 c = 5.300 X-ray Powder Pattern: Kajlidongri mine, India. (ICDD 20-1390). 2.699 (100), 8.40 (90),...4.01 0.16 Total 97.18 97.20 (1) Kajlidongri mine, India; by electron microprobe, total Fe as Fe2O...tremolite (Ka jlidongri mine, India); omphacite, garnet, rutile, quartz, actinolite, epidote, albite, titanite...California, USA). Distribution: In the Ka jlidongri mine, Jhabua district, Madhya Pradesh, India. From near...Island, Venezuela. In the Praborna mine, near St. Marcel, Val d'Aosta, Italy. At Ward Creek, Cazadero
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
Journal (article/letter/editorial)
actinolite and of albite, quartz, clinozoisite, epidote, titanite and some fine needles of biotite. These...in greenschist facies conditions. Amphibole and epidote form the main schistosity, while biotite associated...Some blue amphiboles were found as inclusions in epidote or albite (Fig. 5, Table 2). These Na-amphiboles...expense of garnet and clinopyroxene, likely at epidote–blueschist facies conditions. Chemical composition...rocks preserve uncommon assemblages in chlorite–epidote rich-rocks. Such assemblage, composed of chloritoid
Journal (article/letter/editorial)
transport through two mixing zones affected by acid mine drainage near Silverton, Colorado— Laurence E. Schemel...Rare sulfosalts from Vulcano, Aeolian Islands, Italy. III. Wittite and cannizzarite—Yu S. Borodaev, A...manganiferous deposits from St. MarcelPraborna, Val d’Aosta, Italy—E.-A. Perseil, P. Blanc, and D....101 Complexly zoned fibrous tourmaline, Cruzeiro mine, Minas Gerais, Brazil: A record of evolving magmatic...oxygen isotopes—Alasdair D.L. Skelton and John W. Valley GEOCHEMISTRY INTERNATIONAL Vol. 179, No. 1, June
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
 
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