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Latitude & Longitude (WGS84):
45° 14' 56'' North , 6° 55' 1'' East
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Mindat Locality ID:
193765
Long-form identifier:
mindat:1:2:193765:0
GUID (UUID V4):
0
Other Languages:
French:
Affleurement de gypse du Mont-Cenis (Monticule de gypse du Mont-Cenis), Plateau du Mont-Cenis, Lanslebourg-Mont-Cenis, Val-Cenis, Saint-Jean-de-Maurienne, Savoie, Auvergne-Rhône-Alpes, France
Italian:
Affioramento di gesso del Moncenisio (Monticello di gesso del Moncenisio), Piana del Moncenisio (Piano del Moncenisio; Plateau del Moncenisio), Lanslebourg-Mont-Cenis, Val-Cenis, arrondissement di Saint-Jean-de-Maurienne, Savoia, Alvernia-Rodano-Alpi, Francia


Large outcrop of Triassic gypsum (anhydrite in depth) and cargneules around the northern part of Lac du Mont-Cenis forming a prominent hillock on its north-east shore. The hillock, already described by De Saussure (1796), became less prominent with the construction of the Mont-Cenis artificial reservoir or Lac du Mont-Cenis, that in different years (1912, 1920-24 and 1963-68) enlarged the already existing homonymous lake. The water level (once at 1921 m) can reach its highest value at 1971 m, but it seasonally varies covering and uncovering some areas of the hillock.

The Triassic evaporites of the hillock tipically embeds boudins of dolostone, greenish schists (metapelites) and rare actinolite schist. The metapelite boudins contains "metamorphic veins", mainly composed of albite and iron-bearing dolomite, with accessory pyrite, hematite, calcite, clinochlore, titanite (sometimes corroded and substituted by Ti oxides) and epidote (whose products of destabilisation are albite, clinochlore, muscovite and hematite), in which are present narrow fissures hosting a Ti-Th-U-REE mineralisation (De Ascenção Guedes et al., 2008; De Ascenção Guedes, 2013).

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


32 valid minerals. 1 erroneous literature entry.

Detailed Mineral List:

ⓘ Actinolite
Formula: ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Description: It is the main component of the actinolite schist boudins. Associated minerals are Cr- and Ti-bearing hematite, dolomite and talc.
ⓘ Albite
Formula: Na(AlSi3O8)
ⓘ Anatase
Formula: TiO2
ⓘ Anhydrite
Formula: CaSO4
ⓘ Aragonite
Formula: CaCO3
ⓘ Brannerite
Formula: UTi2O6
ⓘ Brookite
Formula: TiO2
ⓘ Calcite
Formula: CaCO3
References:
ⓘ Chalcopyrite
Formula: CuFeS2
References:
ⓘ Clinochlore
Formula: Mg5Al(AlSi3O10)(OH)8
ⓘ Crichtonite
Formula: Sr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38
Description: The black tabular crystals and grains reported by De Ascenção Guedes et al. (2008) as Y-rich crichtonite are dessauite-(Y) with empirical formula (Sr0.64Y0.74Fe0.53Ca0.09)2.00(Ti13.25Fe4.90Cr1.07V0.78)20.00O38 (De Ascenção Guedes et al., 2013).
ⓘ Dessauite-(Y)
Formula: (Sr,Pb)(Y,U)(Ti,Fe3+)20O38
Description: Formerly reported as Y-rich crichtonite.
ⓘ Dolomite
Formula: CaMg(CO3)2
References:
ⓘ Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘ Fluorapatite
Formula: Ca5(PO4)3F
ⓘ Galena
Formula: PbS
Description: Collected by Piolti at the level of the former Hotel de la Poste (or Hotel de Jorcin), presently flooded.
ⓘ Goethite
Formula: Fe3+O(OH)
ⓘ Gypsum
Formula: CaSO4 · 2H2O
References:
ⓘ Hematite
Formula: Fe2O3
ⓘ Hingganite-(Y)
Formula: (Y,REE,Ca)2(◻,Fe2+)Be2[SiO4]2(OH)2
ⓘ 'K Feldspar'
ⓘ 'K Feldspar var. Adularia'
Formula: KAlSi3O8
ⓘ 'Limonite'
ⓘ Malachite
Formula: Cu2(CO3)(OH)2
ⓘ Monazite-(Ce)
Formula: Ce(PO4)
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Muscovite var. Fuchsite
Formula: K(Al,Cr)3Si3O10(OH)2
References:
Christophe Boutry collectionIdentified by Christophe Boutry: Visual Identification, Dealer/Collection Label
ⓘ Muscovite var. Phengite
Formula: KAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
ⓘ Native Sulphur
Formula: S8
ⓘ Pyrite
Formula: FeS2
ⓘ Quartz
Formula: SiO2
References:
ⓘ Rutile
Formula: TiO2
ⓘ Siderite
Formula: FeCO3
ⓘ 'Synchysite Group'
ⓘ Talc
Formula: Mg3Si4O10(OH)2
Description: As tiny lamellar crystals in the actinolite schist boudins.
ⓘ Thorite
Formula: Th(SiO4)
ⓘ Titanite
Formula: CaTiO(SiO4)
ⓘ Tyrolite
Formula: Ca2Cu9(AsO4)4(CO3)(OH)8 · 11H2O
ⓘ Xenotime-(Y)
Formula: Y(PO4)

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘNative Sulphur1.CC.05S8
Group 2 - Sulphides and Sulfosalts
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘGalena2.CD.10PbS
ⓘPyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
ⓘHematite4.CB.05Fe2O3
ⓘCrichtonite ?4.CC.40Sr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38
ⓘDessauite-(Y)4.CC.40(Sr,Pb)(Y,U)(Ti,Fe3+)20O38
ⓘQuartz4.DA.05SiO2
ⓘRutile4.DB.05TiO2
ⓘAnatase4.DD.05TiO2
ⓘBrookite4.DD.10TiO2
ⓘBrannerite4.DH.05UTi2O6
ⓘGoethite4.FD.10Fe3+O(OH)
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
ⓘSiderite5.AB.05FeCO3
ⓘDolomite5.AB.10CaMg(CO3)2
ⓘAragonite5.AB.15CaCO3
ⓘMalachite5.BA.10Cu2(CO3)(OH)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘAnhydrite7.AD.30CaSO4
ⓘGypsum7.CD.40CaSO4 · 2H2O
Group 8 - Phosphates, Arsenates and Vanadates
ⓘXenotime-(Y)8.AD.35Y(PO4)
ⓘMonazite-(Ce)8.AD.50Ce(PO4)
ⓘFluorapatite8.BN.05Ca5(PO4)3F
ⓘTyrolite8.DM.10Ca2Cu9(AsO4)4(CO3)(OH)8 · 11H2O
Group 9 - Silicates
ⓘThorite9.AD.30Th(SiO4)
ⓘTitanite9.AG.15CaTiO(SiO4)
ⓘHingganite-(Y)9.AJ.20(Y,REE,Ca)2(◻,Fe2+)Be2[SiO4]2(OH)2
ⓘEpidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘActinolite9.DE.10◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
ⓘTalc9.EC.05Mg3Si4O10(OH)2
ⓘMuscovite
var. Fuchsite
9.EC.15K(Al,Cr)3Si3O10(OH)2
ⓘ9.EC.15KAl2(AlSi3O10)(OH)2
ⓘvar. Phengite9.EC.15KAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
ⓘClinochlore9.EC.55Mg5Al(AlSi3O10)(OH)8
ⓘAlbite9.FA.35Na(AlSi3O8)
Unclassified
ⓘ'K Feldspar
var. Adularia'
-KAlSi3O8
ⓘ'Limonite'-
ⓘ'K Feldspar'-
ⓘ'Synchysite Group'-

List of minerals for each chemical element

HHydrogen
Hⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Hⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Hⓘ CrichtoniteSr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38
Hⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Hⓘ Muscovite var. FuchsiteK(Al,Cr)3Si3O10(OH)2
Hⓘ GoethiteFe3+O(OH)
Hⓘ GypsumCaSO4 · 2H2O
Hⓘ Hingganite-(Y)(Y,REE,Ca)2(◻,Fe2+)Be2[SiO4]2(OH)2
Hⓘ MalachiteCu2(CO3)(OH)2
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Hⓘ Muscovite var. PhengiteKAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
Hⓘ TalcMg3Si4O10(OH)2
Hⓘ TyroliteCa2Cu9(AsO4)4(CO3)(OH)8 · 11H2O
BeBeryllium
Beⓘ Hingganite-(Y)(Y,REE,Ca)2(◻,Fe2+)Be2[SiO4]2(OH)2
CCarbon
Cⓘ AragoniteCaCO3
Cⓘ CalciteCaCO3
Cⓘ DolomiteCaMg(CO3)2
Cⓘ MalachiteCu2(CO3)(OH)2
Cⓘ SideriteFeCO3
Cⓘ TyroliteCa2Cu9(AsO4)4(CO3)(OH)8 · 11H2O
OOxygen
Oⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Oⓘ K Feldspar var. AdulariaKAlSi3O8
Oⓘ AlbiteNa(AlSi3O8)
Oⓘ AnataseTiO2
Oⓘ AnhydriteCaSO4
Oⓘ AragoniteCaCO3
Oⓘ BranneriteUTi2O6
Oⓘ BrookiteTiO2
Oⓘ CalciteCaCO3
Oⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Oⓘ CrichtoniteSr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38
Oⓘ DolomiteCaMg(CO3)2
Oⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Oⓘ FluorapatiteCa5(PO4)3F
Oⓘ Muscovite var. FuchsiteK(Al,Cr)3Si3O10(OH)2
Oⓘ GoethiteFe3+O(OH)
Oⓘ GypsumCaSO4 · 2H2O
Oⓘ HematiteFe2O3
Oⓘ Hingganite-(Y)(Y,REE,Ca)2(◻,Fe2+)Be2[SiO4]2(OH)2
Oⓘ MalachiteCu2(CO3)(OH)2
Oⓘ Monazite-(Ce)Ce(PO4)
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ Muscovite var. PhengiteKAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
Oⓘ QuartzSiO2
Oⓘ RutileTiO2
Oⓘ SideriteFeCO3
Oⓘ TalcMg3Si4O10(OH)2
Oⓘ ThoriteTh(SiO4)
Oⓘ TitaniteCaTiO(SiO4)
Oⓘ TyroliteCa2Cu9(AsO4)4(CO3)(OH)8 · 11H2O
Oⓘ Xenotime-(Y)Y(PO4)
Oⓘ Dessauite-(Y)(Sr,Pb)(Y,U)(Ti,Fe3+)20O38
FFluorine
Fⓘ FluorapatiteCa5(PO4)3F
NaSodium
Naⓘ AlbiteNa(AlSi3O8)
MgMagnesium
Mgⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Mgⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Mgⓘ DolomiteCaMg(CO3)2
Mgⓘ Muscovite var. PhengiteKAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
Mgⓘ TalcMg3Si4O10(OH)2
AlAluminium
Alⓘ K Feldspar var. AdulariaKAlSi3O8
Alⓘ AlbiteNa(AlSi3O8)
Alⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Alⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Alⓘ Muscovite var. FuchsiteK(Al,Cr)3Si3O10(OH)2
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Alⓘ Muscovite var. PhengiteKAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
SiSilicon
Siⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Siⓘ K Feldspar var. AdulariaKAlSi3O8
Siⓘ AlbiteNa(AlSi3O8)
Siⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Siⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Siⓘ Muscovite var. FuchsiteK(Al,Cr)3Si3O10(OH)2
Siⓘ Hingganite-(Y)(Y,REE,Ca)2(◻,Fe2+)Be2[SiO4]2(OH)2
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ Muscovite var. PhengiteKAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
Siⓘ QuartzSiO2
Siⓘ TalcMg3Si4O10(OH)2
Siⓘ ThoriteTh(SiO4)
Siⓘ TitaniteCaTiO(SiO4)
PPhosphorus
Pⓘ FluorapatiteCa5(PO4)3F
Pⓘ Monazite-(Ce)Ce(PO4)
Pⓘ Xenotime-(Y)Y(PO4)
SSulfur
Sⓘ AnhydriteCaSO4
Sⓘ ChalcopyriteCuFeS2
Sⓘ GalenaPbS
Sⓘ GypsumCaSO4 · 2H2O
Sⓘ PyriteFeS2
Sⓘ Native SulphurS8
KPotassium
Kⓘ K Feldspar var. AdulariaKAlSi3O8
Kⓘ Muscovite var. FuchsiteK(Al,Cr)3Si3O10(OH)2
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Kⓘ Muscovite var. PhengiteKAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
CaCalcium
Caⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Caⓘ AnhydriteCaSO4
Caⓘ AragoniteCaCO3
Caⓘ CalciteCaCO3
Caⓘ DolomiteCaMg(CO3)2
Caⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Caⓘ FluorapatiteCa5(PO4)3F
Caⓘ GypsumCaSO4 · 2H2O
Caⓘ Hingganite-(Y)(Y,REE,Ca)2(◻,Fe2+)Be2[SiO4]2(OH)2
Caⓘ TitaniteCaTiO(SiO4)
Caⓘ TyroliteCa2Cu9(AsO4)4(CO3)(OH)8 · 11H2O
TiTitanium
Tiⓘ AnataseTiO2
Tiⓘ BranneriteUTi2O6
Tiⓘ BrookiteTiO2
Tiⓘ CrichtoniteSr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38
Tiⓘ RutileTiO2
Tiⓘ TitaniteCaTiO(SiO4)
Tiⓘ Dessauite-(Y)(Sr,Pb)(Y,U)(Ti,Fe3+)20O38
VVanadium
Vⓘ CrichtoniteSr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38
CrChromium
Crⓘ CrichtoniteSr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38
Crⓘ Muscovite var. FuchsiteK(Al,Cr)3Si3O10(OH)2
MnManganese
Mnⓘ CrichtoniteSr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38
FeIron
Feⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Feⓘ ChalcopyriteCuFeS2
Feⓘ CrichtoniteSr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38
Feⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Feⓘ GoethiteFe3+O(OH)
Feⓘ HematiteFe2O3
Feⓘ Hingganite-(Y)(Y,REE,Ca)2(◻,Fe2+)Be2[SiO4]2(OH)2
Feⓘ Muscovite var. PhengiteKAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
Feⓘ PyriteFeS2
Feⓘ SideriteFeCO3
Feⓘ Dessauite-(Y)(Sr,Pb)(Y,U)(Ti,Fe3+)20O38
CuCopper
Cuⓘ ChalcopyriteCuFeS2
Cuⓘ MalachiteCu2(CO3)(OH)2
Cuⓘ TyroliteCa2Cu9(AsO4)4(CO3)(OH)8 · 11H2O
AsArsenic
Asⓘ TyroliteCa2Cu9(AsO4)4(CO3)(OH)8 · 11H2O
SrStrontium
Srⓘ CrichtoniteSr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38
Srⓘ Dessauite-(Y)(Sr,Pb)(Y,U)(Ti,Fe3+)20O38
YYttrium
Yⓘ CrichtoniteSr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38
Yⓘ Hingganite-(Y)(Y,REE,Ca)2(◻,Fe2+)Be2[SiO4]2(OH)2
Yⓘ Xenotime-(Y)Y(PO4)
Yⓘ Dessauite-(Y)(Sr,Pb)(Y,U)(Ti,Fe3+)20O38
CeCerium
Ceⓘ Monazite-(Ce)Ce(PO4)
PbLead
Pbⓘ GalenaPbS
Pbⓘ Dessauite-(Y)(Sr,Pb)(Y,U)(Ti,Fe3+)20O38
ThThorium
Thⓘ ThoriteTh(SiO4)
UUranium
Uⓘ BranneriteUTi2O6
Uⓘ CrichtoniteSr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38
Uⓘ Dessauite-(Y)(Sr,Pb)(Y,U)(Ti,Fe3+)20O38

Other Databases

Wikipedia:https://en.wikipedia.org/wiki/Mont_Cenis
Wikidata ID:Q13411496

Other Regions, Features and Areas containing this locality

Eurasian PlateTectonic Plate
  • AlpsAccretionary Complex
EuropeContinent
Italy

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