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Frissòn Lakes, Val Grande, Vernante, Cuneo Province, Piedmont, Italyi
Regional Level Types
Frissòn LakesGroup of Lakes
Val Grande- not defined -
VernanteCommune
Cuneo ProvinceProvince
PiedmontRegion
Italy- not defined -

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Latitude & Longitude (WGS84):
44° North , 7° East (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~8km
GRN:
N30E04
Type:
Group of Lakes
Köppen climate type:
Cfb : Temperate oceanic climate
Mindat Locality ID:
264669
Long-form identifier:
mindat:1:2:264669:8
GUID (UUID V4):
9e9cd7cf-6fb5-4d51-8c4c-85ea79be3541
Name(s) in local language(s):
Laghi del Frissòn, Val Grande, Vernante, Valle Vermenagna, Provincia di Cuneo, Piemonte, Italia


Relicts of eclogitic assemblages within a small layered mafic sequence exposed at Frissòn Lakes, Val Grande, southeastern end of the Argentera Massif.

The Frisson Lakes mafic sequence is a small body of about 0.5 km2, surrounded by migmatitic orthogneisses (‘‘biotite anatexites’’ of Malaroda et al., 1970), exposed as a tectonic window of the crystalline basement of the Gesso-Stura Terrain (GST) of the Argentera Massif within its Meso-Cenozoic sedimentary cover. It forms a lens-shaped body, about 200 m thick and 500 m long, and it was previously mapped and described as ‘‘garnet–pyroxene gneiss’’ (Malaroda et al., 1970).

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


8 valid minerals.

Detailed Mineral List:

ⓘ Albite
Formula: Na(AlSi3O8)
ⓘ 'Almandine-Pyrope Series'
ⓘ 'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
ⓘ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ Ilmenite
Formula: Fe2+TiO3
ⓘ Magnesio-hastingsite
Formula: NaCa2(Mg4Fe3+)(Si6Al2)O22(OH)2
ⓘ Omphacite
Formula: (NaaCabFe2+cMgd)(AleFe3+fFe2+gMgh)Si2O6
ⓘ Pargasite
Formula: NaCa2(Mg4Al)(Si6Al2)O22(OH)2
ⓘ Quartz
Formula: SiO2
ⓘ Rutile
Formula: TiO2
ⓘ Zircon
Formula: Zr(SiO4)

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘIlmenite4.CB.05Fe2+TiO3
ⓘQuartz4.DA.05SiO2
ⓘRutile4.DB.05TiO2
Group 9 - Silicates
ⓘZircon9.AD.30Zr(SiO4)
ⓘOmphacite9.DA.20(NaaCabFe2+cMgd)(AleFe3+fFe2+gMgh)Si2O6
ⓘMagnesio-hastingsite9.DE.15NaCa2(Mg4Fe3+)(Si6Al2)O22(OH)2
ⓘPargasite9.DE.15NaCa2(Mg4Al)(Si6Al2)O22(OH)2
ⓘAlbite9.FA.35Na(AlSi3O8)
Unclassified
ⓘ'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ'Almandine-Pyrope Series'-
ⓘ'Apatite'-Ca5(PO4)3(Cl/F/OH)

List of minerals for each chemical element

HHydrogen
Hⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Hⓘ Magnesio-hastingsiteNaCa2(Mg4Fe3+)(Si6Al2)O22(OH)2
Hⓘ PargasiteNaCa2(Mg4Al)(Si6Al2)O22(OH)2
Hⓘ ApatiteCa5(PO4)3(Cl/F/OH)
OOxygen
Oⓘ AlbiteNa(AlSi3O8)
Oⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Oⓘ IlmeniteFe2+TiO3
Oⓘ Magnesio-hastingsiteNaCa2(Mg4Fe3+)(Si6Al2)O22(OH)2
Oⓘ Omphacite(NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6
Oⓘ PargasiteNaCa2(Mg4Al)(Si6Al2)O22(OH)2
Oⓘ QuartzSiO2
Oⓘ RutileTiO2
Oⓘ ZirconZr(SiO4)
Oⓘ ApatiteCa5(PO4)3(Cl/F/OH)
FFluorine
Fⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fⓘ ApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
Naⓘ AlbiteNa(AlSi3O8)
Naⓘ Magnesio-hastingsiteNaCa2(Mg4Fe3+)(Si6Al2)O22(OH)2
Naⓘ Omphacite(NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6
Naⓘ PargasiteNaCa2(Mg4Al)(Si6Al2)O22(OH)2
MgMagnesium
Mgⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Mgⓘ Magnesio-hastingsiteNaCa2(Mg4Fe3+)(Si6Al2)O22(OH)2
Mgⓘ Omphacite(NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6
Mgⓘ PargasiteNaCa2(Mg4Al)(Si6Al2)O22(OH)2
AlAluminium
Alⓘ AlbiteNa(AlSi3O8)
Alⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Alⓘ Magnesio-hastingsiteNaCa2(Mg4Fe3+)(Si6Al2)O22(OH)2
Alⓘ Omphacite(NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6
Alⓘ PargasiteNaCa2(Mg4Al)(Si6Al2)O22(OH)2
SiSilicon
Siⓘ AlbiteNa(AlSi3O8)
Siⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Siⓘ Magnesio-hastingsiteNaCa2(Mg4Fe3+)(Si6Al2)O22(OH)2
Siⓘ Omphacite(NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6
Siⓘ PargasiteNaCa2(Mg4Al)(Si6Al2)O22(OH)2
Siⓘ QuartzSiO2
Siⓘ ZirconZr(SiO4)
PPhosphorus
Pⓘ ApatiteCa5(PO4)3(Cl/F/OH)
ClChlorine
Clⓘ ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
Kⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
CaCalcium
Caⓘ Magnesio-hastingsiteNaCa2(Mg4Fe3+)(Si6Al2)O22(OH)2
Caⓘ Omphacite(NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6
Caⓘ PargasiteNaCa2(Mg4Al)(Si6Al2)O22(OH)2
Caⓘ ApatiteCa5(PO4)3(Cl/F/OH)
TiTitanium
Tiⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Tiⓘ IlmeniteFe2+TiO3
Tiⓘ RutileTiO2
FeIron
Feⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Feⓘ IlmeniteFe2+TiO3
Feⓘ Magnesio-hastingsiteNaCa2(Mg4Fe3+)(Si6Al2)O22(OH)2
Feⓘ Omphacite(NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6
ZrZirconium
Zrⓘ ZirconZr(SiO4)

Other Regions, Features and Areas containing this locality

Eurasian PlateTectonic Plate
EuropeContinent
Italy

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References

Malaroda R., Carraro F., Dal Piaz G.V., Franceschetti B., Sturani C., Zanella E. (1970): Carta geologica del Massiccio dell’Argentera alla scala 1:50.000 e note illustrative. Mem. Soc. Geol. It., 9, 557-663.
Colombo F., Compagnoni R., Lombardo B. (1994): Le rocce eclogitiche dei Laghi del Frisson (Argentera sud-orientale, Alpi Marittime). Atti Tic. Sci. Terra, Serie speciale, 1, 75-82.
Piccoli G.C. (2002): Minerali delle Alpi Marittime e Cozie Provincia di Cuneo. Associazione Amici del Museo "F. Eusebio" di Alba, Ed., Alba, 366 pp.
Piccoli, G.C., Maletto, G., Bosio, P., Lombardo, B. (2007) Minerali del Piemonte e della Valle d'Aosta - Associazione Amici del Museo "F. Eusebio" Alba.
Ferrando S., Lombardo B., Compagnoni R. (2008): Metamorphic history of HP mafic granulites from the Gesso-Stura Terrain (Argentera Massif, Western Alps, Italy). European Journal of Mineralogy, 20, 777-790.
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