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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
ItalyCountry

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Latitude & Longitude (WGS84):
45° 3' 10'' North , 6° 48' 19'' East
Latitude & Longitude (decimal):
Type:
Group of Quarries
Köppen climate type:
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):
0
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:

- Cumbë Suřdë quarry (the only one with underground works and with dump);
- ‘l Rapilhun quarry (open pit without dump);
- La Cařieřa quarry (open pit without dump).

The only quarry in which the paragenesis with the "red hydrated sulfosalts" occurs is the Cumbë Suřdë 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): “guettardite/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 Cumbë Suřdë quarry is Li-rich.

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

- Albite, anatase, brookite, “chlorite”, 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 Cumbë Suřdë quarry.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


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

Rock Types Recorded


Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Albite
Formula: Na(AlSi3O8)
ⓘ Ambrinoite (TL)
Formula: [K,(NH4)]2(As,Sb)6(Sb,As)2S13 · H2O
Type Locality:
Description: Cumbë Suřdë quarry
ⓘ Anatase
Formula: TiO2
ⓘ Anhydrite
Formula: CaSO4
ⓘ Baryte
Formula: BaSO4
ⓘ Brannerite
Formula: UTi2O6
ⓘ Brookite
Formula: TiO2
ⓘ Calcite
Formula: CaCO3
ⓘ Celestine
Formula: SrSO4
ⓘ 'Chlorite Group'
ⓘ Crichtonite
Formula: Sr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38
ⓘ Dessauite-(Y)
Formula: (Sr,Pb)(Y,U)(Ti,Fe3+)20O38
ⓘ Dolomite
Formula: CaMg(CO3)2
ⓘ Edenite
Formula: NaCa2Mg5(Si7Al)O22(OH)2
ⓘ Enargite
Formula: Cu3AsS4
ⓘ Fluorite
Formula: CaF2
ⓘ Galkhaite
Formula: (Hg5Cu)CsAs4S12
ⓘ Getchellite
Formula: AsSbS3
ⓘ Guettardite
Formula: Pb8(Sb0.56As0.44)16S32
Description: Described as “guettardite/twinnite” by Orlandi (2011), guettardite has been confirmed by Bittarello et al. (2014).
ⓘ Gypsum
Formula: CaSO4 · 2H2O
ⓘ Halite
Formula: NaCl
ⓘ Hematite
Formula: Fe2O3
ⓘ Hingganite-(Y)
Formula: (Y,REE,Ca)2(◻,Fe2+)Be2[SiO4]2(OH)2
ⓘ Ilmenite ?
Formula: Fe2+TiO3
ⓘ Kësterite
Formula: Cu2ZnSnS4
ⓘ 'Mica Group'
ⓘ Mimetite
Formula: Pb5(AsO4)3Cl
ⓘ Monazite-(Ce)
Formula: Ce(PO4)
ⓘ Native Sulphur
Formula: S8
ⓘ Orickite
Formula: 2CuFeS2 · H2O
ⓘ Orpiment
Formula: As2S3
ⓘ Pyrite
Formula: FeS2
ⓘ Quartz
Formula: SiO2
ⓘ Realgar
Formula: As4S4
ⓘ Rhodochrosite
Formula: MnCO3
ⓘ Rutile
Formula: TiO2
ⓘ Sellaite
Formula: MgF2
ⓘ Siderite
Formula: FeCO3
ⓘ Sphalerite
Formula: ZnS
ⓘ Stibnite
Formula: Sb2S3
ⓘ 'Synchysite'
Formula: Ca(Ce/Nd/Y/REE)(CO3)2F
ⓘ 'Synchysite Group' ?
ⓘ Thorite
Formula: Th(SiO4)
ⓘ 'Tourmaline'
Formula: AD3G6(T6O18)(BO3)3X3Z
ⓘ Twinnite
Formula: Pb0.8Tl0.1Sb1.3As0.8S4
ⓘ Uraninite
Formula: UO2
ⓘ Wulfenite
Formula: Pb(MoO4)
ⓘ Xenotime-(Y)
Formula: Y(PO4)
ⓘ Zinkenite
Formula: Pb9Sb22S42

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘNative Sulphur1.CC.05S8
Group 2 - Sulphides and Sulfosalts
ⓘSphalerite2.CB.05aZnS
ⓘKësterite2.CB.15aCu2ZnSnS4
ⓘStibnite2.DB.05Sb2S3
ⓘPyrite2.EB.05aFeS2
ⓘRealgar ?2.FA.15aAs4S4
ⓘOrpiment2.FA.30As2S3
ⓘGetchellite2.FA.35AsSbS3
ⓘOrickite2.FB.152CuFeS2 · H2O
ⓘGalkhaite2.GB.20(Hg5Cu)CsAs4S12
ⓘGuettardite2.HC.05aPb8(Sb0.56As0.44)16S32
ⓘTwinnite2.HC.05a Pb0.8Tl0.1Sb1.3As0.8S4
ⓘAmbrinoite (TL)2.HE.10[K,(NH4)]2(As,Sb)6(Sb,As)2S13 · H2O
ⓘZinkenite2.JB.35aPb9Sb22S42
ⓘEnargite2.KA.05Cu3AsS4
Group 3 - Halides
ⓘHalite3.AA.20NaCl
ⓘSellaite3.AB.15MgF2
ⓘFluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
ⓘHematite4.CB.05Fe2O3
ⓘIlmenite ?4.CB.05Fe2+TiO3
ⓘCrichtonite4.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
ⓘUraninite4.DL.05UO2
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
ⓘRhodochrosite5.AB.05MnCO3
ⓘSiderite5.AB.05FeCO3
ⓘDolomite5.AB.10CaMg(CO3)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘAnhydrite7.AD.30CaSO4
ⓘBaryte7.AD.35BaSO4
ⓘCelestine7.AD.35SrSO4
ⓘGypsum7.CD.40CaSO4 · 2H2O
ⓘWulfenite7.GA.05Pb(MoO4)
Group 8 - Phosphates, Arsenates and Vanadates
ⓘXenotime-(Y)8.AD.35Y(PO4)
ⓘMonazite-(Ce)8.AD.50Ce(PO4)
ⓘMimetite8.BN.05Pb5(AsO4)3Cl
Group 9 - Silicates
ⓘThorite9.AD.30Th(SiO4)
ⓘHingganite-(Y)9.AJ.20(Y,REE,Ca)2(◻,Fe2+)Be2[SiO4]2(OH)2
ⓘEdenite9.DE.15NaCa2Mg5(Si7Al)O22(OH)2
ⓘAlbite9.FA.35Na(AlSi3O8)
Unclassified
ⓘ'Chlorite Group'-
ⓘ'Tourmaline'-AD3G6(T6O18)(BO3)3X3Z
ⓘ'Mica Group'-
ⓘ'Synchysite'-Ca(Ce/Nd/Y/REE)(CO3)2F
ⓘ'Synchysite Group' ?-

List of minerals for each chemical element

HHydrogen
Hⓘ CrichtoniteSr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38
Hⓘ EdeniteNaCa2Mg5(Si7Al)O22(OH)2
Hⓘ GypsumCaSO4 · 2H2O
Hⓘ Hingganite-(Y)(Y,REE,Ca)2(◻,Fe2+)Be2[SiO4]2(OH)2
Hⓘ Orickite2CuFeS2 · H2O
Hⓘ Ambrinoite[K,(NH4)]2(As,Sb)6(Sb,As)2S13 · H2O
BeBeryllium
Beⓘ Hingganite-(Y)(Y,REE,Ca)2(◻,Fe2+)Be2[SiO4]2(OH)2
BBoron
Bⓘ TourmalineAD3G6(T6O18)(BO3)3X3Z
CCarbon
Cⓘ CalciteCaCO3
Cⓘ DolomiteCaMg(CO3)2
Cⓘ RhodochrositeMnCO3
Cⓘ SideriteFeCO3
NNitrogen
Nⓘ Ambrinoite[K,(NH4)]2(As,Sb)6(Sb,As)2S13 · H2O
OOxygen
Oⓘ AlbiteNa(AlSi3O8)
Oⓘ AnataseTiO2
Oⓘ AnhydriteCaSO4
Oⓘ BaryteBaSO4
Oⓘ BranneriteUTi2O6
Oⓘ BrookiteTiO2
Oⓘ CalciteCaCO3
Oⓘ CelestineSrSO4
Oⓘ CrichtoniteSr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38
Oⓘ DolomiteCaMg(CO3)2
Oⓘ EdeniteNaCa2Mg5(Si7Al)O22(OH)2
Oⓘ GypsumCaSO4 · 2H2O
Oⓘ HematiteFe2O3
Oⓘ Hingganite-(Y)(Y,REE,Ca)2(◻,Fe2+)Be2[SiO4]2(OH)2
Oⓘ IlmeniteFe2+TiO3
Oⓘ MimetitePb5(AsO4)3Cl
Oⓘ Monazite-(Ce)Ce(PO4)
Oⓘ Orickite2CuFeS2 · H2O
Oⓘ QuartzSiO2
Oⓘ RhodochrositeMnCO3
Oⓘ RutileTiO2
Oⓘ SideriteFeCO3
Oⓘ ThoriteTh(SiO4)
Oⓘ TourmalineAD3G6(T6O18)(BO3)3X3Z
Oⓘ UraniniteUO2
Oⓘ WulfenitePb(MoO4)
Oⓘ Xenotime-(Y)Y(PO4)
Oⓘ Dessauite-(Y)(Sr,Pb)(Y,U)(Ti,Fe3+)20O38
Oⓘ Ambrinoite[K,(NH4)]2(As,Sb)6(Sb,As)2S13 · H2O
FFluorine
Fⓘ FluoriteCaF2
Fⓘ SellaiteMgF2
NaSodium
Naⓘ AlbiteNa(AlSi3O8)
Naⓘ EdeniteNaCa2Mg5(Si7Al)O22(OH)2
Naⓘ HaliteNaCl
MgMagnesium
Mgⓘ DolomiteCaMg(CO3)2
Mgⓘ EdeniteNaCa2Mg5(Si7Al)O22(OH)2
Mgⓘ SellaiteMgF2
AlAluminium
Alⓘ AlbiteNa(AlSi3O8)
Alⓘ EdeniteNaCa2Mg5(Si7Al)O22(OH)2
SiSilicon
Siⓘ AlbiteNa(AlSi3O8)
Siⓘ EdeniteNaCa2Mg5(Si7Al)O22(OH)2
Siⓘ Hingganite-(Y)(Y,REE,Ca)2(◻,Fe2+)Be2[SiO4]2(OH)2
Siⓘ QuartzSiO2
Siⓘ ThoriteTh(SiO4)
PPhosphorus
Pⓘ Monazite-(Ce)Ce(PO4)
Pⓘ Xenotime-(Y)Y(PO4)
SSulfur
Sⓘ AnhydriteCaSO4
Sⓘ BaryteBaSO4
Sⓘ CelestineSrSO4
Sⓘ EnargiteCu3AsS4
Sⓘ Galkhaite(Hg5Cu)CsAs4S12
Sⓘ GetchelliteAsSbS3
Sⓘ GuettarditePb8(Sb0.56As0.44)16S32
Sⓘ GypsumCaSO4 · 2H2O
Sⓘ KësteriteCu2ZnSnS4
Sⓘ Orickite2CuFeS2 · H2O
Sⓘ OrpimentAs2S3
Sⓘ PyriteFeS2
Sⓘ RealgarAs4S4
Sⓘ SphaleriteZnS
Sⓘ StibniteSb2S3
Sⓘ Native SulphurS8
Sⓘ Twinnite Pb0.8Tl0.1Sb1.3As0.8S4
Sⓘ ZinkenitePb9Sb22S42
Sⓘ Ambrinoite[K,(NH4)]2(As,Sb)6(Sb,As)2S13 · H2O
ClChlorine
Clⓘ HaliteNaCl
Clⓘ MimetitePb5(AsO4)3Cl
KPotassium
Kⓘ Ambrinoite[K,(NH4)]2(As,Sb)6(Sb,As)2S13 · H2O
CaCalcium
Caⓘ AnhydriteCaSO4
Caⓘ CalciteCaCO3
Caⓘ DolomiteCaMg(CO3)2
Caⓘ EdeniteNaCa2Mg5(Si7Al)O22(OH)2
Caⓘ FluoriteCaF2
Caⓘ GypsumCaSO4 · 2H2O
Caⓘ Hingganite-(Y)(Y,REE,Ca)2(◻,Fe2+)Be2[SiO4]2(OH)2
TiTitanium
Tiⓘ AnataseTiO2
Tiⓘ BranneriteUTi2O6
Tiⓘ BrookiteTiO2
Tiⓘ CrichtoniteSr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38
Tiⓘ IlmeniteFe2+TiO3
Tiⓘ RutileTiO2
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
MnManganese
Mnⓘ CrichtoniteSr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38
Mnⓘ RhodochrositeMnCO3
FeIron
Feⓘ CrichtoniteSr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38
Feⓘ HematiteFe2O3
Feⓘ Hingganite-(Y)(Y,REE,Ca)2(◻,Fe2+)Be2[SiO4]2(OH)2
Feⓘ IlmeniteFe2+TiO3
Feⓘ Orickite2CuFeS2 · H2O
Feⓘ PyriteFeS2
Feⓘ SideriteFeCO3
Feⓘ Dessauite-(Y)(Sr,Pb)(Y,U)(Ti,Fe3+)20O38
CuCopper
Cuⓘ EnargiteCu3AsS4
Cuⓘ Galkhaite(Hg5Cu)CsAs4S12
Cuⓘ KësteriteCu2ZnSnS4
Cuⓘ Orickite2CuFeS2 · H2O
ZnZinc
Znⓘ KësteriteCu2ZnSnS4
Znⓘ SphaleriteZnS
AsArsenic
Asⓘ EnargiteCu3AsS4
Asⓘ Galkhaite(Hg5Cu)CsAs4S12
Asⓘ GetchelliteAsSbS3
Asⓘ GuettarditePb8(Sb0.56As0.44)16S32
Asⓘ MimetitePb5(AsO4)3Cl
Asⓘ OrpimentAs2S3
Asⓘ RealgarAs4S4
Asⓘ Twinnite Pb0.8Tl0.1Sb1.3As0.8S4
Asⓘ Ambrinoite[K,(NH4)]2(As,Sb)6(Sb,As)2S13 · H2O
SrStrontium
Srⓘ CelestineSrSO4
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
MoMolybdenum
Moⓘ WulfenitePb(MoO4)
SnTin
Snⓘ KësteriteCu2ZnSnS4
SbAntimony
Sbⓘ GetchelliteAsSbS3
Sbⓘ GuettarditePb8(Sb0.56As0.44)16S32
Sbⓘ StibniteSb2S3
Sbⓘ Twinnite Pb0.8Tl0.1Sb1.3As0.8S4
Sbⓘ ZinkenitePb9Sb22S42
Sbⓘ Ambrinoite[K,(NH4)]2(As,Sb)6(Sb,As)2S13 · H2O
CsCaesium
Csⓘ Galkhaite(Hg5Cu)CsAs4S12
BaBarium
Baⓘ BaryteBaSO4
CeCerium
Ceⓘ Monazite-(Ce)Ce(PO4)
HgMercury
Hgⓘ Galkhaite(Hg5Cu)CsAs4S12
TlThallium
Tlⓘ Twinnite Pb0.8Tl0.1Sb1.3As0.8S4
PbLead
Pbⓘ GuettarditePb8(Sb0.56As0.44)16S32
Pbⓘ MimetitePb5(AsO4)3Cl
Pbⓘ Twinnite Pb0.8Tl0.1Sb1.3As0.8S4
Pbⓘ WulfenitePb(MoO4)
Pbⓘ ZinkenitePb9Sb22S42
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ⓘ UraniniteUO2
Uⓘ Dessauite-(Y)(Sr,Pb)(Y,U)(Ti,Fe3+)20O38

Other Regions, Features and Areas containing this locality

Eurasian PlateTectonic Plate
  • AlpsAccretionary Complex
EuropeContinent
Italy

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