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Signols Quarries, Signols, Oulx, Metropolitan City of Turin, Piedmont, Italyi
Regional Level Types
Signols QuarriesGroup of Quarries
SignolsHamlet
OulxCommune
Metropolitan City of TurinMetropolitan City
PiedmontRegion
Italy- not defined -

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PhotosMapsSearch
Latitude & Longitude (WGS84):
45° 3' 10'' North , 6° 48' 19'' East
Latitude & Longitude (decimal):
45.05295,6.80541
GeoHash:
G#: u0hb6ces3
GRN:
N31E04
Type:
Group of Quarries
KΓΆppen climate type:
Dfc : Subarctic climate
Nearest Settlements:
PlacePopulationDistance
Savoulx392 (2014)1.5km
Oulx2,256 (2014)2.9km
Beaulard224 (2014)3.8km
Sauze d'Oulx1,096 (2014)5.2km
Salbertrand467 (2014)6.8km
Mindat Locality ID:
187732
Long-form identifier:
mindat:1:2:187732:1
GUID (UUID V4):
9726c650-2ce7-48a8-8de7-a432cb2cff29
Name(s) in local language(s):
Cave di Signols, Signols, Oulx, Val di Susa, Torino, Piemonte, Italia


Ancient anhydrite and gypsum quarries.

Three quarries are situated in a Triassic complex, here named Signols Quarries, in which anhydrite and gypsum were extracted from 1883 to the first years of the 1960s:

- CumbΓ« SuΕ™dΓ« quarry (the only one with underground works and with dump);
- β€˜l Rapilhun quarry (open pit without dump);
- La CaΕ™ieΕ™a quarry (open pit without dump).

The only quarry in which the paragenesis with the "red hydrated sulfosalts" occurs is the CumbΓ« SuΕ™dΓ« quarry.

The minerals of this evaporitic formation have been studied by:

- Colomba (1898, 1909): anhydrite, gypsum, dolomite, hematite, halite, "lithio-magnesiferous mica", pyrite, quartz, sphalerite, sulphur, "tourmaline";

- Barresi (1999), Barresi et al. (2005): fluorite, orpiment, "realgar", stibnite;

- Biagioni et al. (2010, 2011): ambrinoite, enargite, galkhaite;

- Orlandi (2011): β€œguettardite/twinnite”, kesterite, orickite, zinkenite;

- Brizio et al. (2014): calcite, celestine, getchellite, guettardite (confirmed), mimetite, sellaite, uraninite, and wulfenite.

Notes on the mineral list:

- The mica occurring at the CumbΓ« SuΕ™dΓ« quarry is Li-rich.

- The red mineral previously identified as "realgar" is the new species ambrinoite (Biagioni et al., 2011).

- Albite, anatase, brookite, β€œchlorite”, hematite, pyrite, quartz, rutile, and "synchysite"(?) from Signols were found in an outcrop not so far away, but not in the quarries themselves and never in the dump of the CumbΓ« SuΕ™dΓ« quarry.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


35 valid minerals. 1 (TL) - type locality of valid minerals. 1 erroneous literature entry.

Detailed Mineral List:

β“˜ Albite
Formula: Na(AlSi3O8)
β“˜ Ambrinoite (TL)
Formula: [K,(NH4)]2(As,Sb)6(Sb,As)2S13 · H2O
Type Locality:
Description: CumbΓ« SuΕ™dΓ« quarry
β“˜ Anatase
Formula: TiO2
β“˜ Anhydrite
Formula: CaSO4
β“˜ Baryte
Formula: BaSO4
β“˜ Brookite
Formula: TiO2
β“˜ Calcite
Formula: CaCO3
β“˜ Celestine
Formula: SrSO4
β“˜ 'Chlorite Group'
β“˜ Dolomite
Formula: CaMg(CO3)2
β“˜ Edenite
Formula: NaCa2Mg5(Si7Al)O22(OH)2
β“˜ Enargite
Formula: Cu3AsS4
β“˜ Fluorite
Formula: CaF2
β“˜ Galkhaite
Formula: (Hg5Cu)CsAs4S12
β“˜ Getchellite
Formula: AsSbS3
β“˜ Guettardite
Formula: Pb8(Sb0.56As0.44)16S32
Description: Described as β€œguettardite/twinnite” by Orlandi (2011), guettardite has been confirmed by Bittarello et al. (2014).
β“˜ Gypsum
Formula: CaSO4 · 2H2O
β“˜ Halite
Formula: NaCl
β“˜ Hematite
Formula: Fe2O3
β“˜ Ilmenite ?
Formula: Fe2+TiO3
β“˜ KΓ«sterite
Formula: Cu2ZnSnS4
β“˜ 'Mica Group'
β“˜ Mimetite
Formula: Pb5(AsO4)3Cl
β“˜ Orickite
Formula: 2CuFeS2 · H2O
β“˜ Orpiment
Formula: As2S3
β“˜ Pyrite
Formula: FeS2
β“˜ Quartz
Formula: SiO2
β“˜ Realgar
Formula: As4S4
β“˜ Rhodochrosite
Formula: MnCO3
β“˜ Rutile
Formula: TiO2
β“˜ Sellaite
Formula: MgF2
β“˜ Siderite
Formula: FeCO3
β“˜ Sphalerite
Formula: ZnS
β“˜ Stibnite
Formula: Sb2S3
β“˜ Sulphur
Formula: S8
β“˜ 'Synchysite Group' ?
β“˜ 'Tourmaline'
Formula: AD3G6 (T6O18)(BO3)3X3Z
β“˜ Uraninite
Formula: UO2
β“˜ Wulfenite
Formula: Pb(MoO4)
β“˜ Zinkenite
Formula: Pb9Sb22S42

Gallery:

Na(AlSi3O8)β“˜ Albite
[K,(NH4)]2(As,Sb)6(Sb,As)2S13 · H2Oβ“˜ Ambrinoite (TL)
CaF2β“˜ Fluorite
CaSO4 · 2H2Oβ“˜ Gypsum
Fe2O3β“˜ Hematite
As2S3β“˜ Orpiment
FeS2β“˜ Pyrite
S8β“˜ Sulphur

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
β“˜Sulphur1.CC.05S8
Group 2 - Sulphides and Sulfosalts
β“˜Sphalerite2.CB.05aZnS
β“˜KΓ«sterite2.CB.15aCu2ZnSnS4
β“˜Stibnite2.DB.05Sb2S3
β“˜Pyrite2.EB.05aFeS2
β“˜Realgar ?2.FA.15aAs4S4
β“˜Orpiment2.FA.30As2S3
β“˜Getchellite2.FA.35AsSbS3
β“˜Orickite2.FB.152CuFeS2 Β· H2O
β“˜Galkhaite2.GB.20(Hg5Cu)CsAs4S12
β“˜Guettardite2.HC.05aPb8(Sb0.56As0.44)16S32
β“˜Ambrinoite (TL)2.HE.10[K,(NH4)]2(As,Sb)6(Sb,As)2S13 Β· H2O
β“˜Zinkenite2.JB.35aPb9Sb22S42
β“˜Enargite2.KA.05Cu3AsS4
Group 3 - Halides
β“˜Halite3.AA.20NaCl
β“˜Sellaite3.AB.15MgF2
β“˜Fluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
β“˜Hematite4.CB.05Fe2O3
β“˜Ilmenite ?4.CB.05Fe2+TiO3
β“˜Quartz4.DA.05SiO2
β“˜Rutile4.DB.05TiO2
β“˜Anatase4.DD.05TiO2
β“˜Brookite4.DD.10TiO2
β“˜Uraninite4.DL.05UO2
Group 5 - Nitrates and Carbonates
β“˜Calcite5.AB.05CaCO3
β“˜Rhodochrosite5.AB.05MnCO3
β“˜Siderite5.AB.05FeCO3
β“˜Dolomite5.AB.10CaMg(CO3)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
β“˜Anhydrite7.AD.30CaSO4
β“˜Baryte7.AD.35BaSO4
β“˜Celestine7.AD.35SrSO4
β“˜Gypsum7.CD.40CaSO4 Β· 2H2O
β“˜Wulfenite7.GA.05Pb(MoO4)
Group 8 - Phosphates, Arsenates and Vanadates
β“˜Mimetite8.BN.05Pb5(AsO4)3Cl
Group 9 - Silicates
β“˜Edenite9.DE.15NaCa2Mg5(Si7Al)O22(OH)2
β“˜Albite9.FA.35Na(AlSi3O8)
Unclassified
β“˜'Tourmaline'-AD3G6 (T6O18)(BO3)3X3Z
β“˜'Chlorite Group'-
β“˜'Mica Group'-
β“˜'Synchysite Group' ?-

List of minerals for each chemical element

HHydrogen
Hβ“˜ EdeniteNaCa2Mg5(Si7Al)O22(OH)2
Hβ“˜ GypsumCaSO4 · 2H2O
Hβ“˜ Orickite2CuFeS2 · H2O
Hβ“˜ Ambrinoite[K,(NH4)]2(As,Sb)6(Sb,As)2S13 · H2O
BBoron
Bβ“˜ TourmalineAD3G6 (T6O18)(BO3)3X3Z
CCarbon
Cβ“˜ CalciteCaCO3
Cβ“˜ DolomiteCaMg(CO3)2
Cβ“˜ RhodochrositeMnCO3
Cβ“˜ SideriteFeCO3
NNitrogen
Nβ“˜ Ambrinoite[K,(NH4)]2(As,Sb)6(Sb,As)2S13 · H2O
OOxygen
Oβ“˜ AlbiteNa(AlSi3O8)
Oβ“˜ AnataseTiO2
Oβ“˜ AnhydriteCaSO4
Oβ“˜ BaryteBaSO4
Oβ“˜ BrookiteTiO2
Oβ“˜ CalciteCaCO3
Oβ“˜ CelestineSrSO4
Oβ“˜ DolomiteCaMg(CO3)2
Oβ“˜ EdeniteNaCa2Mg5(Si7Al)O22(OH)2
Oβ“˜ GypsumCaSO4 · 2H2O
Oβ“˜ HematiteFe2O3
Oβ“˜ IlmeniteFe2+TiO3
Oβ“˜ MimetitePb5(AsO4)3Cl
Oβ“˜ Orickite2CuFeS2 · H2O
Oβ“˜ QuartzSiO2
Oβ“˜ RhodochrositeMnCO3
Oβ“˜ RutileTiO2
Oβ“˜ SideriteFeCO3
Oβ“˜ TourmalineAD3G6 (T6O18)(BO3)3X3Z
Oβ“˜ UraniniteUO2
Oβ“˜ WulfenitePb(MoO4)
Oβ“˜ Ambrinoite[K,(NH4)]2(As,Sb)6(Sb,As)2S13 · H2O
FFluorine
Fβ“˜ FluoriteCaF2
Fβ“˜ SellaiteMgF2
NaSodium
Naβ“˜ AlbiteNa(AlSi3O8)
Naβ“˜ EdeniteNaCa2Mg5(Si7Al)O22(OH)2
Naβ“˜ HaliteNaCl
MgMagnesium
Mgβ“˜ DolomiteCaMg(CO3)2
Mgβ“˜ EdeniteNaCa2Mg5(Si7Al)O22(OH)2
Mgβ“˜ SellaiteMgF2
AlAluminium
Alβ“˜ AlbiteNa(AlSi3O8)
Alβ“˜ EdeniteNaCa2Mg5(Si7Al)O22(OH)2
SiSilicon
Siβ“˜ AlbiteNa(AlSi3O8)
Siβ“˜ EdeniteNaCa2Mg5(Si7Al)O22(OH)2
Siβ“˜ QuartzSiO2
SSulfur
Sβ“˜ AnhydriteCaSO4
Sβ“˜ BaryteBaSO4
Sβ“˜ CelestineSrSO4
Sβ“˜ EnargiteCu3AsS4
Sβ“˜ Galkhaite(Hg5Cu)CsAs4S12
Sβ“˜ GetchelliteAsSbS3
Sβ“˜ GuettarditePb8(Sb0.56As0.44)16S32
Sβ“˜ GypsumCaSO4 · 2H2O
Sβ“˜ KΓ«steriteCu2ZnSnS4
Sβ“˜ Orickite2CuFeS2 · H2O
Sβ“˜ OrpimentAs2S3
Sβ“˜ PyriteFeS2
Sβ“˜ RealgarAs4S4
Sβ“˜ SphaleriteZnS
Sβ“˜ StibniteSb2S3
Sβ“˜ SulphurS8
Sβ“˜ ZinkenitePb9Sb22S42
Sβ“˜ Ambrinoite[K,(NH4)]2(As,Sb)6(Sb,As)2S13 · H2O
ClChlorine
Clβ“˜ HaliteNaCl
Clβ“˜ MimetitePb5(AsO4)3Cl
KPotassium
Kβ“˜ Ambrinoite[K,(NH4)]2(As,Sb)6(Sb,As)2S13 · H2O
CaCalcium
Caβ“˜ AnhydriteCaSO4
Caβ“˜ CalciteCaCO3
Caβ“˜ DolomiteCaMg(CO3)2
Caβ“˜ EdeniteNaCa2Mg5(Si7Al)O22(OH)2
Caβ“˜ FluoriteCaF2
Caβ“˜ GypsumCaSO4 · 2H2O
TiTitanium
Tiβ“˜ AnataseTiO2
Tiβ“˜ BrookiteTiO2
Tiβ“˜ IlmeniteFe2+TiO3
Tiβ“˜ RutileTiO2
MnManganese
Mnβ“˜ RhodochrositeMnCO3
FeIron
Feβ“˜ HematiteFe2O3
Feβ“˜ IlmeniteFe2+TiO3
Feβ“˜ Orickite2CuFeS2 · H2O
Feβ“˜ PyriteFeS2
Feβ“˜ SideriteFeCO3
CuCopper
Cuβ“˜ EnargiteCu3AsS4
Cuβ“˜ Galkhaite(Hg5Cu)CsAs4S12
Cuβ“˜ KΓ«steriteCu2ZnSnS4
Cuβ“˜ Orickite2CuFeS2 · H2O
ZnZinc
Znβ“˜ KΓ«steriteCu2ZnSnS4
Znβ“˜ SphaleriteZnS
AsArsenic
Asβ“˜ EnargiteCu3AsS4
Asβ“˜ Galkhaite(Hg5Cu)CsAs4S12
Asβ“˜ GetchelliteAsSbS3
Asβ“˜ GuettarditePb8(Sb0.56As0.44)16S32
Asβ“˜ MimetitePb5(AsO4)3Cl
Asβ“˜ OrpimentAs2S3
Asβ“˜ RealgarAs4S4
Asβ“˜ Ambrinoite[K,(NH4)]2(As,Sb)6(Sb,As)2S13 · H2O
SrStrontium
Srβ“˜ CelestineSrSO4
MoMolybdenum
Moβ“˜ WulfenitePb(MoO4)
SnTin
Snβ“˜ KΓ«steriteCu2ZnSnS4
SbAntimony
Sbβ“˜ GetchelliteAsSbS3
Sbβ“˜ GuettarditePb8(Sb0.56As0.44)16S32
Sbβ“˜ StibniteSb2S3
Sbβ“˜ ZinkenitePb9Sb22S42
Sbβ“˜ Ambrinoite[K,(NH4)]2(As,Sb)6(Sb,As)2S13 · H2O
CsCaesium
Csβ“˜ Galkhaite(Hg5Cu)CsAs4S12
BaBarium
Baβ“˜ BaryteBaSO4
HgMercury
Hgβ“˜ Galkhaite(Hg5Cu)CsAs4S12
PbLead
Pbβ“˜ GuettarditePb8(Sb0.56As0.44)16S32
Pbβ“˜ MimetitePb5(AsO4)3Cl
Pbβ“˜ WulfenitePb(MoO4)
Pbβ“˜ ZinkenitePb9Sb22S42
UUranium
Uβ“˜ UraniniteUO2

Other Regions, Features and Areas containing this locality

Eurasian PlateTectonic Plate
EuropeContinent
Italy

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

(n.d.)
(n.d.)
(n.d.)
Colomba, L. (1897-98) Ricerche mineralogiche sui giacimenti di anidrite e gesso dei dintorni di Oulx (Alta Valle della Dora Riparia). Atti della Reale Accademia delle Scienze di Torino, 33, 779-796.
Colomba, L. (1909) Osservazioni mineralogiche e litologiche sull’alta valle della Dora Riparia (rocce e minerali della Beaume, Oulx). Rivista di Mineralogia e Cristallografia Italiana: 38, 50 pages.
Barresi, A. (1999) La Val di Susa e i suoi minerali. Volume 2. Gruppo Mineralogico e Paleontologico CAI-UGET, Torino, 32 pages.
Barresi, A., Brizio, P., Ambrino, P. (2005) I giacimenti di gesso triassici della Val di Susa e i loro minerali. Nuove segnalazioni mineralogiche dai giacimenti di gesso triassici piemontesi. In: Damarco, P., Barresi, A. (eds.) (2005) I giacimenti gessiferi in Piemonte. Mineralogia e Paleontologia. II Edizione. CAI-UGET, Torino, 17-26.
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.
Biagioni, C., Ciriotti, M.E., Ambrino, P., Brizio, P. (2010) Secondo ritrovamento europeo di galkhaite: CumbΓ« SuΕ™dΓ«, Signols, Piemonte. Micro (UK report): 1/2010: 118-123.
Biagioni, C., Bonaccorsi, E., Pasero, M., Moelo, Y., Ciriotti, M. E., Bersani, D., Callegari, A. M., Boiocchi, M. (2011) Ambrinoite, (K,NH4)2(As,Sb)8S13Β·H2O, a new mineral from Upper Susa Valley, Piedmont, Italy: The first natural (K,NH4)-hydrated sulfosalt. American Mineralogist, 96 (5) 878-887 doi:10.2138/am.2011.3723
Orlandi, P. (2011) Zibaldone di mineralogia italiana 2010. Micro: 1/2011: 39-42.
Brizio, P., Bittarello, E., Ambrino, P., Ciriotti, M.E. (2014) Cava di CumbΓ« SuΕ™dΓ«, Signols, Oulx, Val di Susa, Torino, Piemonte. GMT 2014 Giornate Mineralogiche di Tavagnasco, 6-8 giugno 2014. Plinius: 40: 178.
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