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Puy de Ténuzet quarry, Saint-Ours-les-Roches, Riom, Puy-de-Dôme, Auvergne-Rhône-Alpes, Francei
Regional Level Types
Puy de Ténuzet quarryQuarry (Active)
Saint-Ours-les-RochesCommune
RiomArrondissement
Puy-de-DômeDepartment
Auvergne-Rhône-AlpesRegion
FranceCountry

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Latitude & Longitude (WGS84):
45° 51' 16'' North , 2° 57' 51'' East
Latitude & Longitude (decimal):
Type:
Quarry (Active) - last checked 2023
Age:
0.01143 to 0.0002 Ma
Geologic Time:
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Chanat-la-Mouteyre938 (2016)4.7km
Pulvérières323 (2016)5.4km
Saint-Ours1,425 (2016)5.5km
Charbonnières-les-Varennes1,341 (2016)5.7km
Volvic4,456 (2016)6.0km
Mindat Locality ID:
43977
Long-form identifier:
mindat:1:2:43977:3
GUID (UUID V4):
0
Other/historical names associated with this locality:
Puy de Tunisset; Puy de Tounizaye; Puy de Ténusset; Puy de Tuniset; Puy de Tenuizet; Puy de Tunizet
Other Languages:
French:
Puy de Tunisset, Saint-Ours, Riom, Puy-de-Dôme, Auvergne-Rhône-Alpes, France


The Puy de Ténuzet cinder cone belongs to the Holocene volcanic group of the "Chaîne des Puys". It has almost been wiped out by mining activity through a set of two quarries, now merged. A variety of fumarolized areas have been exposed, and showcase a large set of typical secondary minerals.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


18 valid minerals.

Rock Types Recorded


Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Andradite
Formula: Ca3Fe3+2(SiO4)3
ⓘ Aragonite
Formula: CaCO3
ⓘ Augite
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
ⓘ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Description: The micas are intermediate between fluorophlogopite and Ti-rich oxidized phlogopite.
ⓘ Calcite
Formula: CaCO3
ⓘ Diopside
Formula: CaMgSi2O6
ⓘ Enstatite
Formula: Mg2Si2O6
ⓘ Fluoro-edenite
Formula: NaCa2Mg5(Si7Al)O22F2
ⓘ Fluorophlogopite
Formula: KMg3(Si3Al)O10F2
Description: Micas are intermediate between fluorophlogopite and Ti-rich oxidized phlogopite.
ⓘ Forsterite
Formula: Mg2(SiO4)
Description: All olivines at Tunisset have > 50 % forsterite component.
✪ Hematite
Formula: Fe2O3
Habit: Specular
Colour: Silver
ⓘ Hematite var. Specularite
Formula: Fe2O3
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
ⓘ Microsommite
Formula: Na4K2Ca2(Al6Si6O24)(SO4)Cl2
Habit: Hexagonal prisms
Colour: colourless to white
Description: Identified by EPMA as a member of the cancrinite group; microsommite is the only member that matches the chemistry, although no crystallographic study has been done so far.
ⓘ Natrolite
Formula: Na2Al2Si3O10 · 2H2O
ⓘ Opal
Formula: SiO2 · nH2O
✪ Pseudobrookite
Formula: Fe2TiO5
ⓘ 'Pyroxene Group'
Formula: ADSi2O6
Description: This is either diopside or augite, or intermediate members.
ⓘ Sanidine
Formula: K(AlSi3O8)
ⓘ Titanite
Formula: CaTi(SiO4)O
ⓘ Tridymite
Formula: SiO2

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘHematite4.CB.05Fe2O3
ⓘvar. Specularite4.CB.05Fe2O3
ⓘPseudobrookite4.CB.15Fe2TiO5
ⓘOpal4.DA.10SiO2 · nH2O
ⓘTridymite4.DA.10SiO2
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
ⓘAragonite5.AB.15CaCO3
Group 9 - Silicates
ⓘForsterite9.AC.05Mg2(SiO4)
ⓘAndradite9.AD.25Ca3Fe3+2(SiO4)3
ⓘTitanite9.AG.15CaTi(SiO4)O
ⓘEnstatite9.DA.05Mg2Si2O6
ⓘAugite9.DA.15(CaxMgyFez)(Mgy1Fez1)Si2O6
ⓘDiopside9.DA.15CaMgSi2O6
ⓘFluoro-edenite9.DE.15NaCa2Mg5(Si7Al)O22F2
ⓘFluorophlogopite9.EC.20KMg3(Si3Al)O10F2
ⓘSanidine9.FA.30K(AlSi3O8)
ⓘMicrosommite9.FB.05Na4K2Ca2(Al6Si6O24)(SO4)Cl2
ⓘNatrolite9.GA.05Na2Al2Si3O10 · 2H2O
Unclassified
ⓘ'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ'Pyroxene Group'-ADSi2O6

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ⓘ NatroliteNa2Al2Si3O10 · 2H2O
Hⓘ OpalSiO2 · nH2O
CCarbon
Cⓘ AragoniteCaCO3
Cⓘ CalciteCaCO3
OOxygen
Oⓘ AndraditeCa3Fe23+(SiO4)3
Oⓘ AragoniteCaCO3
Oⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Oⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Oⓘ CalciteCaCO3
Oⓘ DiopsideCaMgSi2O6
Oⓘ EnstatiteMg2Si2O6
Oⓘ ForsteriteMg2(SiO4)
Oⓘ HematiteFe2O3
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ MicrosommiteNa4K2Ca2(Al6Si6O24)(SO4)Cl2
Oⓘ NatroliteNa2Al2Si3O10 · 2H2O
Oⓘ OpalSiO2 · nH2O
Oⓘ PseudobrookiteFe2TiO5
Oⓘ SanidineK(AlSi3O8)
Oⓘ TitaniteCaTi(SiO4)O
Oⓘ TridymiteSiO2
Oⓘ Hematite var. SpeculariteFe2O3
Oⓘ Fluoro-edeniteNaCa2Mg5(Si7Al)O22F2
Oⓘ Pyroxene GroupADSi2O6
Oⓘ FluorophlogopiteKMg3(Si3Al)O10F2
FFluorine
Fⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fⓘ Fluoro-edeniteNaCa2Mg5(Si7Al)O22F2
Fⓘ FluorophlogopiteKMg3(Si3Al)O10F2
NaSodium
Naⓘ MicrosommiteNa4K2Ca2(Al6Si6O24)(SO4)Cl2
Naⓘ NatroliteNa2Al2Si3O10 · 2H2O
Naⓘ Fluoro-edeniteNaCa2Mg5(Si7Al)O22F2
MgMagnesium
Mgⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Mgⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Mgⓘ DiopsideCaMgSi2O6
Mgⓘ EnstatiteMg2Si2O6
Mgⓘ ForsteriteMg2(SiO4)
Mgⓘ Fluoro-edeniteNaCa2Mg5(Si7Al)O22F2
Mgⓘ FluorophlogopiteKMg3(Si3Al)O10F2
AlAluminium
Alⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Alⓘ MicrosommiteNa4K2Ca2(Al6Si6O24)(SO4)Cl2
Alⓘ NatroliteNa2Al2Si3O10 · 2H2O
Alⓘ SanidineK(AlSi3O8)
Alⓘ Fluoro-edeniteNaCa2Mg5(Si7Al)O22F2
Alⓘ FluorophlogopiteKMg3(Si3Al)O10F2
SiSilicon
Siⓘ AndraditeCa3Fe23+(SiO4)3
Siⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Siⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Siⓘ DiopsideCaMgSi2O6
Siⓘ EnstatiteMg2Si2O6
Siⓘ ForsteriteMg2(SiO4)
Siⓘ MicrosommiteNa4K2Ca2(Al6Si6O24)(SO4)Cl2
Siⓘ NatroliteNa2Al2Si3O10 · 2H2O
Siⓘ OpalSiO2 · nH2O
Siⓘ SanidineK(AlSi3O8)
Siⓘ TitaniteCaTi(SiO4)O
Siⓘ TridymiteSiO2
Siⓘ Fluoro-edeniteNaCa2Mg5(Si7Al)O22F2
Siⓘ Pyroxene GroupADSi2O6
Siⓘ FluorophlogopiteKMg3(Si3Al)O10F2
SSulfur
Sⓘ MicrosommiteNa4K2Ca2(Al6Si6O24)(SO4)Cl2
ClChlorine
Clⓘ MicrosommiteNa4K2Ca2(Al6Si6O24)(SO4)Cl2
KPotassium
Kⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Kⓘ MicrosommiteNa4K2Ca2(Al6Si6O24)(SO4)Cl2
Kⓘ SanidineK(AlSi3O8)
Kⓘ FluorophlogopiteKMg3(Si3Al)O10F2
CaCalcium
Caⓘ AndraditeCa3Fe23+(SiO4)3
Caⓘ AragoniteCaCO3
Caⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Caⓘ CalciteCaCO3
Caⓘ DiopsideCaMgSi2O6
Caⓘ MicrosommiteNa4K2Ca2(Al6Si6O24)(SO4)Cl2
Caⓘ TitaniteCaTi(SiO4)O
Caⓘ Fluoro-edeniteNaCa2Mg5(Si7Al)O22F2
TiTitanium
Tiⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Tiⓘ PseudobrookiteFe2TiO5
Tiⓘ TitaniteCaTi(SiO4)O
FeIron
Feⓘ AndraditeCa3Fe23+(SiO4)3
Feⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Feⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Feⓘ HematiteFe2O3
Feⓘ MagnetiteFe2+Fe23+O4
Feⓘ PseudobrookiteFe2TiO5
Feⓘ Hematite var. SpeculariteFe2O3

Other Regions, Features and Areas containing this locality

Eurasian PlateTectonic Plate
EuropeContinent
France

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