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Comba de la Sassa (Comba della Sassa; Sassa Valley), Bionaz, Aosta Valley, Italyi
Regional Level Types
Comba de la Sassa (Comba della Sassa; Sassa Valley)Valley
BionazCommune
Aosta ValleyAutonomous Region
Italy- not defined -

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PhotosMapsSearch
05221540017056160404731.jpg
Marble blocks with yellow Lizardite

Comba de la Sassa, Bionaz, Aosta Valley, Italy
03327600014976871337103.jpg
Towards upper Comba della Sassa

Comba de la Sassa, Bionaz, Aosta Valley, Italy
09994880014973740753503.jpg
Comba della Sassa

Comba de la Sassa, Bionaz, Aosta Valley, Italy
05221540017056160404731.jpg
Marble blocks with yellow Lizardite

Comba de la Sassa, Bionaz, Aosta Valley, Italy
06034190014964681129920.jpg
Towards upper Comba della Sassa

Comba de la Sassa, Bionaz, Aosta Valley, Italy
01059500014964681134209.jpg
Comba della Sassa

Comba de la Sassa, Bionaz, Aosta Valley, Italy
05221540017056160404731.jpg
Marble blocks with yellow Lizardite

Comba de la Sassa, Bionaz, Aosta Valley, Italy
03327600014976871337103.jpg
Towards upper Comba della Sassa

Comba de la Sassa, Bionaz, Aosta Valley, Italy
Latitude & Longitude (WGS84):
45° 54' 8'' North , 7° 26' 40'' East
Latitude & Longitude (decimal):
45.90228,7.44463
GeoHash:
G#: u0jm1km00
GRN:
N31E04
Type:
Valley
KΓΆppen climate type:
ET : Tundra
Mindat Locality ID:
273455
Long-form identifier:
mindat:1:2:273455:5
GUID (UUID V4):
3e440f16-f310-40fc-a958-78185eff2636
Name(s) in local language(s):
Comba de la Sassa (Comba della Sassa; Vallone della Sassa), Bionaz, Valpelline, Valle d'Aosta, Italia


Comba de la Sassa is a side valley in upper Valpelline, in which outcrops the mylonitic contact between Arolla and Valpelline units of Dent Blanche nappe. The former unit mainly consists of metagranitoids and less common paraschists; the latter consists of paragneisses, marbles, and metabasic rocks, with granulite-amphibolite facies assemblages.

Small leucocratic dykes are relatively frequent inside metagranitoids and include: quartz-plagioclase trondhjemites and fine- to medium-grained quartz diorites, with green hornblende, biotite, quartz, and more or less saussuritized plagioclase; pegmatites and aplites consisting of K feldspar, quartz, albite, micas, and accessory minerals (apatite, zircon, titanite, etc.)

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


19 valid minerals.

Detailed Mineral List:

β“˜ Actinolite
Formula: ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
β“˜ Albite
Formula: Na(AlSi3O8)
β“˜ Almandine
Formula: Fe2+3Al2(SiO4)3
β“˜ 'Amphibole Supergroup'
Formula: AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
β“˜ 'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
β“˜ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
β“˜ Calcite
Formula: CaCO3
β“˜ 'Calcium Amphibole Subgroup'
Formula: AnCa2(Z2+5-mZ3+m)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
β“˜ 'Chlorite Group'
β“˜ Cordierite
Formula: (Mg,Fe)2Al3(AlSi5O18)
β“˜ Diopside
Formula: CaMgSi2O6
β“˜ Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
β“˜ 'Feldspar Group'
β“˜ 'Garnet Group'
Formula: X3Z2(SiO4)3
β“˜ Graphite
Formula: C
β“˜ 'Hornblende Root Name Group'
Formula: ◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2
β“˜ Ilmenite
Formula: Fe2+TiO3
β“˜ Kyanite
Formula: Al2(SiO4)O
β“˜ Lizardite
Formula: Mg3(Si2O5)(OH)4
β“˜ 'Mica Group'
β“˜ 'Monazite'
Formula: REE(PO4)
β“˜ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
β“˜ Phlogopite
Formula: KMg3(AlSi3O10)(OH)2
β“˜ 'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
β“˜ Pyrite
Formula: FeS2
β“˜ 'Pyroxene Group'
Formula: ADSi2O6
β“˜ Quartz
Formula: SiO2
β“˜ Rutile
Formula: TiO2
β“˜ Sillimanite
Formula: Al2(SiO4)O
β“˜ 'Sodium Amphibole Subgroup'
Formula: An(Na2)(Z5)(Si8-mAlmO22)(OH,F,Cl)2
β“˜ Titanite
Formula: CaTi(SiO4)O
β“˜ Zircon
Formula: Zr(SiO4)

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
β“˜Graphite1.CB.05aC
Group 2 - Sulphides and Sulfosalts
β“˜Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
β“˜Ilmenite4.CB.05Fe2+TiO3
β“˜Quartz4.DA.05SiO2
β“˜Rutile4.DB.05TiO2
Group 5 - Nitrates and Carbonates
β“˜Calcite5.AB.05CaCO3
Group 9 - Silicates
β“˜Almandine9.AD.25Fe2+3Al2(SiO4)3
β“˜Zircon9.AD.30Zr(SiO4)
β“˜Sillimanite9.AF.05Al2(SiO4)O
β“˜Kyanite9.AF.15Al2(SiO4)O
β“˜Titanite9.AG.15CaTi(SiO4)O
β“˜Epidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
β“˜Cordierite9.CJ.10(Mg,Fe)2Al3(AlSi5O18)
β“˜Diopside9.DA.15CaMgSi2O6
β“˜Actinolite9.DE.10β—»Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
β“˜Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
β“˜Phlogopite9.EC.20KMg3(AlSi3O10)(OH)2
β“˜Lizardite9.ED.15Mg3(Si2O5)(OH)4
β“˜Albite9.FA.35Na(AlSi3O8)
Unclassified
β“˜'Monazite'-REE(PO4)
β“˜'Feldspar Group'-
β“˜'Chlorite Group'-
β“˜'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
β“˜'Amphibole Supergroup'-AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
β“˜'Mica Group'-
β“˜'Hornblende Root Name Group'-β—»Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2
β“˜'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8
β“˜'Pyroxene Group'-ADSi2O6
β“˜'Garnet Group'-X3Z2(SiO4)3
β“˜'Apatite'-Ca5(PO4)3(Cl/F/OH)
β“˜'Calcium Amphibole Subgroup'-AnCa2(Z2+5-mZ3+m)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
β“˜'Sodium Amphibole Subgroup'-An(Na2)(Z5)(Si8-mAlmO22)(OH,F,Cl)2

List of minerals for each chemical element

HHydrogen
Hβ“˜ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Hβ“˜ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Hβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Hβ“˜ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Hβ“˜ LizarditeMg3(Si2O5)(OH)4
Hβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Hβ“˜ PhlogopiteKMg3(AlSi3O10)(OH)2
Hβ“˜ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Hβ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
Hβ“˜ Calcium Amphibole SubgroupAnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
Hβ“˜ Sodium Amphibole SubgroupAn(Na2)(Z5)(Si8-mAlmO22)(OH,F,Cl)2
CCarbon
Cβ“˜ CalciteCaCO3
Cβ“˜ GraphiteC
OOxygen
Oβ“˜ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Oβ“˜ AlbiteNa(AlSi3O8)
Oβ“˜ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Oβ“˜ AlmandineFe32+Al2(SiO4)3
Oβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Oβ“˜ CalciteCaCO3
Oβ“˜ Cordierite(Mg,Fe)2Al3(AlSi5O18)
Oβ“˜ DiopsideCaMgSi2O6
Oβ“˜ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Oβ“˜ IlmeniteFe2+TiO3
Oβ“˜ KyaniteAl2(SiO4)O
Oβ“˜ LizarditeMg3(Si2O5)(OH)4
Oβ“˜ MonaziteREE(PO4)
Oβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Oβ“˜ PhlogopiteKMg3(AlSi3O10)(OH)2
Oβ“˜ QuartzSiO2
Oβ“˜ RutileTiO2
Oβ“˜ SillimaniteAl2(SiO4)O
Oβ“˜ TitaniteCaTi(SiO4)O
Oβ“˜ ZirconZr(SiO4)
Oβ“˜ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Oβ“˜ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Oβ“˜ Pyroxene GroupADSi2O6
Oβ“˜ Garnet GroupX3Z2(SiO4)3
Oβ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
Oβ“˜ Calcium Amphibole SubgroupAnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
Oβ“˜ Sodium Amphibole SubgroupAn(Na2)(Z5)(Si8-mAlmO22)(OH,F,Cl)2
FFluorine
Fβ“˜ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Fβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fβ“˜ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Fβ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
Fβ“˜ Calcium Amphibole SubgroupAnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
Fβ“˜ Sodium Amphibole SubgroupAn(Na2)(Z5)(Si8-mAlmO22)(OH,F,Cl)2
NaSodium
Naβ“˜ AlbiteNa(AlSi3O8)
Naβ“˜ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Naβ“˜ Sodium Amphibole SubgroupAn(Na2)(Z5)(Si8-mAlmO22)(OH,F,Cl)2
MgMagnesium
Mgβ“˜ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Mgβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Mgβ“˜ Cordierite(Mg,Fe)2Al3(AlSi5O18)
Mgβ“˜ DiopsideCaMgSi2O6
Mgβ“˜ LizarditeMg3(Si2O5)(OH)4
Mgβ“˜ PhlogopiteKMg3(AlSi3O10)(OH)2
AlAluminium
Alβ“˜ AlbiteNa(AlSi3O8)
Alβ“˜ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Alβ“˜ AlmandineFe32+Al2(SiO4)3
Alβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Alβ“˜ Cordierite(Mg,Fe)2Al3(AlSi5O18)
Alβ“˜ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Alβ“˜ KyaniteAl2(SiO4)O
Alβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Alβ“˜ PhlogopiteKMg3(AlSi3O10)(OH)2
Alβ“˜ SillimaniteAl2(SiO4)O
Alβ“˜ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Alβ“˜ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Alβ“˜ Calcium Amphibole SubgroupAnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
Alβ“˜ Sodium Amphibole SubgroupAn(Na2)(Z5)(Si8-mAlmO22)(OH,F,Cl)2
SiSilicon
Siβ“˜ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Siβ“˜ AlbiteNa(AlSi3O8)
Siβ“˜ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Siβ“˜ AlmandineFe32+Al2(SiO4)3
Siβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Siβ“˜ Cordierite(Mg,Fe)2Al3(AlSi5O18)
Siβ“˜ DiopsideCaMgSi2O6
Siβ“˜ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Siβ“˜ KyaniteAl2(SiO4)O
Siβ“˜ LizarditeMg3(Si2O5)(OH)4
Siβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Siβ“˜ PhlogopiteKMg3(AlSi3O10)(OH)2
Siβ“˜ QuartzSiO2
Siβ“˜ SillimaniteAl2(SiO4)O
Siβ“˜ TitaniteCaTi(SiO4)O
Siβ“˜ ZirconZr(SiO4)
Siβ“˜ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Siβ“˜ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Siβ“˜ Pyroxene GroupADSi2O6
Siβ“˜ Garnet GroupX3Z2(SiO4)3
Siβ“˜ Calcium Amphibole SubgroupAnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
Siβ“˜ Sodium Amphibole SubgroupAn(Na2)(Z5)(Si8-mAlmO22)(OH,F,Cl)2
PPhosphorus
Pβ“˜ MonaziteREE(PO4)
Pβ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
Sβ“˜ PyriteFeS2
ClChlorine
Clβ“˜ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Clβ“˜ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Clβ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
Clβ“˜ Calcium Amphibole SubgroupAnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
Clβ“˜ Sodium Amphibole SubgroupAn(Na2)(Z5)(Si8-mAlmO22)(OH,F,Cl)2
KPotassium
Kβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Kβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Kβ“˜ PhlogopiteKMg3(AlSi3O10)(OH)2
CaCalcium
Caβ“˜ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Caβ“˜ CalciteCaCO3
Caβ“˜ DiopsideCaMgSi2O6
Caβ“˜ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Caβ“˜ TitaniteCaTi(SiO4)O
Caβ“˜ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Caβ“˜ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Caβ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
Caβ“˜ Calcium Amphibole SubgroupAnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
TiTitanium
Tiβ“˜ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Tiβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Tiβ“˜ IlmeniteFe2+TiO3
Tiβ“˜ RutileTiO2
Tiβ“˜ TitaniteCaTi(SiO4)O
FeIron
Feβ“˜ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Feβ“˜ AlmandineFe32+Al2(SiO4)3
Feβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Feβ“˜ Cordierite(Mg,Fe)2Al3(AlSi5O18)
Feβ“˜ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Feβ“˜ IlmeniteFe2+TiO3
Feβ“˜ PyriteFeS2
ZrZirconium
Zrβ“˜ ZirconZr(SiO4)

Other Regions, Features and Areas containing this locality

Eurasian PlateTectonic Plate
EuropeContinent
Italy

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References

e-collection.library.ethz.ch (n.d.) http://e-collection.library.ethz.ch/eserv/eth:20571/eth-20571-02.pdf
www.virtualexplorer.com.au (n.d.) http://www.virtualexplorer.com.au/article/2010/234/a-journey-across-two-centuries-of-alpine-geology/three.html
italianjgeo.geoscienceworld.org (n.d.) http://italianjgeo.geoscienceworld.org/content/130/1/61.full
Stutz, A.H. (1940): Die Gesteine der Arollaserie im Valpelline (Provinz Aosta, Oberitalien). Schweiz. Mineral. Petrogr. Mitt., 20, 117-246.
Pennacchioni, G., Guermani, A. (1993): The mylonites of the Austroalpine Dent Blanche nappe along the northwestern side of the Valpelline Valley (Italian Western Alps). Mem. Sci. Geol. Padova, 45, 37-55.
Dal Piaz, G.V., Bistacchi, A., Gianotti, F., Monopoli, B., Passeri, L., Schiavo, A., with contributions of Bertolo, D., Bonetto, F., Ciarapica, G., Dal Piaz, G., Gouffon, Y., Massironi, M., Ratto, S., Toffolon, G. (2015): Note illustrative della Carta Geologica d’Italia alla scala 1:50.000, Foglio 070 Monte Cervino. ISPRA, Serv. Geol. d'Italia - Regione Autonoma Valle d'Aosta/RΓ©gion Autonome VallΓ©e d'Aoste, Land Technology & Services, Treviso, 431 pp.
www.lovevda.it (n.d.) http://www.lovevda.it/it/banca-dati/7/geositi-e-miniere/bionaz/comba-d-orein/2543
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