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Mont Denise, Espaly-Saint-Marcel, Le Puy-en-Velay, Haute-Loire, Auvergne-Rhône-Alpes, Francei
Regional Level Types
Mont DeniseMountain
Espaly-Saint-MarcelCommune
Le Puy-en-VelayArrondissement
Haute-LoireDepartment
Auvergne-Rhône-AlpesRegion
FranceCountry

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Latitude & Longitude (WGS84):
45° 3' 20'' North , 3° 51' 12'' East
Latitude & Longitude (decimal):
45.05583,3.85361
GeoHash:
G#: u048rdnj7
GRN:
N31E02
Type:
Mountain
Köppen climate type:
Cfb : Temperate oceanic climate
Nearest Settlements:
PlacePopulationDistance
Espaly-Saint-Marcel3,971 (2016)1.3km
Polignac2,761 (2016)1.8km
Ceyssac434 (2016)2.4km
Le Puy-en-Velay22,718 (2016)2.8km
Vals-près-le-Puy3,758 (2016)3.3km
Mindat Locality ID:
20463
Long-form identifier:
mindat:1:2:20463:6
GUID (UUID V4):
efb0cb74-577d-43e3-8891-922ec97acc1c
Other/historical names associated with this locality:
Auvergne; Rhône-Alpes
Name(s) in local language(s):
Mont Denise, Espaly-Saint-Marcel, Le Puy-en-Velay, Haute-Loire, Auvergne, France


Old quarry in a basaltic cinder cone, located 2 km north of Espaly-St Marcel and 4 km NW of Le Puy-en-Velay. Numerous enclaves of thermometamorphic rocks ("buchite") where recovered while the quarry was active. They contain a rich paragenesis, with close similarities to the Eifel quarries.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


25 valid minerals.

Detailed Mineral List:

ⓘ Aegirine-augite
Formula: (NaaCabFe2+cMgd)(Fe3+eAlfFe2+gMgh)Si2O6
ⓘ Albite var. Anorthoclase
Formula: (Na,K)AlSi3O8
ⓘ 'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
ⓘ 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
ⓘ Calcite
Formula: CaCO3
ⓘ Chayesite
Formula: K◻2Mg2(Mg2Fe3+)[Si12O30]
ⓘ 'Clinopyroxene Subgroup'
Description: This is either diopside (green) or aegyrine-augite (golden yellow)
ⓘ Cordierite
Formula: (Mg,Fe)2Al3(AlSi5O18)
ⓘ Corundum
Formula: Al2O3
ⓘ Corundum var. Sapphire
Formula: Al2O3
ⓘ Cristobalite
Formula: SiO2
ⓘ Diopside
Formula: CaMgSi2O6
ⓘ Fayalite
Formula: Fe2+2SiO4
Description: contains more than 50 % forsterite component
ⓘ Forsterite
Formula: Mg2SiO4
ⓘ 'Garnet Group'
Formula: X3Z2(SiO4)3
ⓘ Hematite
Formula: Fe2O3
ⓘ 'Hornblende Root Name Group'
Formula: ◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
ⓘ Mullite
Formula: Al4+2xSi2-2xO10-x
ⓘ Nepheline
Formula: Na3K(Al4Si4O16)
ⓘ Osumilite-(Mg)
Formula: K◻2Mg2Al3[Al2Si10O30]
ⓘ Pseudobrookite
Formula: Fe2TiO5
ⓘ Quartz
Formula: SiO2
ⓘ Quartz var. Chalcedony
Formula: SiO2
ⓘ 'Quartz-beta'
Formula: SiO2
ⓘ Roedderite
Formula: K(◻Na)Mg2Mg3[Si12O30]
ⓘ Rutile
Formula: TiO2
ⓘ Sanidine
Formula: K(AlSi3O8)
ⓘ Sillimanite
Formula: Al2(SiO4)O
ⓘ Titanite
Formula: CaTi(SiO4)O
ⓘ Tridymite
Formula: SiO2
ⓘ Zircon
Formula: Zr(SiO4)

Gallery:

K◻2Mg2(Mg2Fe3+)[Si12O30]ⓘ Chayesite
K◻2Mg2Al3[Al2Si10O30] ⓘ Osumilite-(Mg)
SiO2ⓘ Quartz
K(◻Na)Mg2Mg3[Si12O30]ⓘ Roedderite

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘCorundum
var. Sapphire		4.CB.05Al2O3
ⓘ4.CB.05Al2O3
ⓘHematite4.CB.05Fe2O3
ⓘPseudobrookite4.CB.15Fe2TiO5
ⓘQuartz
var. Chalcedony		4.DA.05SiO2
ⓘ4.DA.05SiO2
ⓘTridymite4.DA.10SiO2
ⓘCristobalite4.DA.15SiO2
ⓘ'Quartz-beta'4.DA.55SiO2
ⓘRutile4.DB.05TiO2
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
ⓘAragonite5.AB.15CaCO3
Group 9 - Silicates
ⓘForsterite9.AC.05Mg2SiO4
ⓘFayalite9.AC.05Fe2+2SiO4
ⓘZircon9.AD.30Zr(SiO4)
ⓘSillimanite9.AF.05Al2(SiO4)O
ⓘMullite9.AF.20Al4+2xSi2-2xO10-x
ⓘTitanite9.AG.15CaTi(SiO4)O
ⓘCordierite9.CJ.10(Mg,Fe)2Al3(AlSi5O18)
ⓘOsumilite-(Mg)9.CM.05K◻2Mg2Al3[Al2Si10O30]
ⓘRoedderite9.CM.05K(◻Na)Mg2Mg3[Si12O30]
ⓘChayesite9.CM.05K◻2Mg2(Mg2Fe3+)[Si12O30]
ⓘDiopside9.DA.15CaMgSi2O6
ⓘAugite9.DA.15(CaxMgyFez)(Mgy1Fez1)Si2O6
ⓘAegirine-augite9.DA.20(NaaCabFe2+cMgd)(Fe3+eAlfFe2+gMgh)Si2O6
ⓘNepheline9.FA.05Na3K(Al4Si4O16)
ⓘSanidine9.FA.30K(AlSi3O8)
ⓘAlbite
var. Anorthoclase		9.FA.35(Na,K)AlSi3O8
Unclassified
ⓘ'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ'Clinopyroxene Subgroup'-
ⓘ'Hornblende Root Name Group'-◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2
ⓘ'Garnet Group'-X3Z2(SiO4)3
ⓘ'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ⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Hⓘ ApatiteCa5(PO4)3(Cl/F/OH)
CCarbon
Cⓘ AragoniteCaCO3
Cⓘ CalciteCaCO3
OOxygen
Oⓘ Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Oⓘ Albite var. Anorthoclase(Na,K)AlSi3O8
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ⓘ Quartz var. ChalcedonySiO2
Oⓘ ChayesiteK◻2Mg2(Mg2Fe3+)[Si12O30]
Oⓘ Cordierite(Mg,Fe)2Al3(AlSi5O18)
Oⓘ CorundumAl2O3
Oⓘ CristobaliteSiO2
Oⓘ DiopsideCaMgSi2O6
Oⓘ FayaliteFe22+SiO4
Oⓘ ForsteriteMg2SiO4
Oⓘ HematiteFe2O3
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ MulliteAl4+2xSi2-2xO10-x
Oⓘ NephelineNa3K(Al4Si4O16)
Oⓘ Osumilite-(Mg)K◻2Mg2Al3[Al2Si10O30]
Oⓘ PseudobrookiteFe2TiO5
Oⓘ QuartzSiO2
Oⓘ RoedderiteK(◻Na)Mg2Mg3[Si12O30]
Oⓘ RutileTiO2
Oⓘ SanidineK(AlSi3O8)
Oⓘ Corundum var. SapphireAl2O3
Oⓘ SillimaniteAl2(SiO4)O
Oⓘ TitaniteCaTi(SiO4)O
Oⓘ TridymiteSiO2
Oⓘ ZirconZr(SiO4)
Oⓘ Quartz-betaSiO2
Oⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Oⓘ Garnet GroupX3Z2(SiO4)3
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ⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Fⓘ ApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
Naⓘ Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Naⓘ Albite var. Anorthoclase(Na,K)AlSi3O8
Naⓘ NephelineNa3K(Al4Si4O16)
Naⓘ RoedderiteK(◻Na)Mg2Mg3[Si12O30]
MgMagnesium
Mgⓘ Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Mgⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Mgⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Mgⓘ ChayesiteK◻2Mg2(Mg2Fe3+)[Si12O30]
Mgⓘ Cordierite(Mg,Fe)2Al3(AlSi5O18)
Mgⓘ DiopsideCaMgSi2O6
Mgⓘ ForsteriteMg2SiO4
Mgⓘ Osumilite-(Mg)K◻2Mg2Al3[Al2Si10O30]
Mgⓘ RoedderiteK(◻Na)Mg2Mg3[Si12O30]
AlAluminium
Alⓘ Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Alⓘ Albite var. Anorthoclase(Na,K)AlSi3O8
Alⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Alⓘ Cordierite(Mg,Fe)2Al3(AlSi5O18)
Alⓘ CorundumAl2O3
Alⓘ MulliteAl4+2xSi2-2xO10-x
Alⓘ NephelineNa3K(Al4Si4O16)
Alⓘ Osumilite-(Mg)K◻2Mg2Al3[Al2Si10O30]
Alⓘ SanidineK(AlSi3O8)
Alⓘ Corundum var. SapphireAl2O3
Alⓘ SillimaniteAl2(SiO4)O
Alⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
SiSilicon
Siⓘ Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Siⓘ Albite var. Anorthoclase(Na,K)AlSi3O8
Siⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Siⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Siⓘ Quartz var. ChalcedonySiO2
Siⓘ ChayesiteK◻2Mg2(Mg2Fe3+)[Si12O30]
Siⓘ Cordierite(Mg,Fe)2Al3(AlSi5O18)
Siⓘ CristobaliteSiO2
Siⓘ DiopsideCaMgSi2O6
Siⓘ FayaliteFe22+SiO4
Siⓘ ForsteriteMg2SiO4
Siⓘ MulliteAl4+2xSi2-2xO10-x
Siⓘ NephelineNa3K(Al4Si4O16)
Siⓘ Osumilite-(Mg)K◻2Mg2Al3[Al2Si10O30]
Siⓘ QuartzSiO2
Siⓘ RoedderiteK(◻Na)Mg2Mg3[Si12O30]
Siⓘ SanidineK(AlSi3O8)
Siⓘ SillimaniteAl2(SiO4)O
Siⓘ TitaniteCaTi(SiO4)O
Siⓘ TridymiteSiO2
Siⓘ ZirconZr(SiO4)
Siⓘ Quartz-betaSiO2
Siⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Siⓘ Garnet GroupX3Z2(SiO4)3
PPhosphorus
Pⓘ ApatiteCa5(PO4)3(Cl/F/OH)
ClChlorine
Clⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Clⓘ ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
Kⓘ Albite var. Anorthoclase(Na,K)AlSi3O8
Kⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Kⓘ ChayesiteK◻2Mg2(Mg2Fe3+)[Si12O30]
Kⓘ NephelineNa3K(Al4Si4O16)
Kⓘ Osumilite-(Mg)K◻2Mg2Al3[Al2Si10O30]
Kⓘ RoedderiteK(◻Na)Mg2Mg3[Si12O30]
Kⓘ SanidineK(AlSi3O8)
CaCalcium
Caⓘ Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Caⓘ AragoniteCaCO3
Caⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Caⓘ CalciteCaCO3
Caⓘ DiopsideCaMgSi2O6
Caⓘ TitaniteCaTi(SiO4)O
Caⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)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ⓘ PseudobrookiteFe2TiO5
Tiⓘ RutileTiO2
Tiⓘ TitaniteCaTi(SiO4)O
FeIron
Feⓘ Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Feⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Feⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Feⓘ ChayesiteK◻2Mg2(Mg2Fe3+)[Si12O30]
Feⓘ Cordierite(Mg,Fe)2Al3(AlSi5O18)
Feⓘ FayaliteFe22+SiO4
Feⓘ HematiteFe2O3
Feⓘ MagnetiteFe2+Fe23+O4
Feⓘ PseudobrookiteFe2TiO5
ZrZirconium
Zrⓘ ZirconZr(SiO4)

Other Regions, Features and Areas containing this locality

Eurasian PlateTectonic Plate
EuropeContinent
France

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

gallica.bnf.fr (n.d.) http://gallica.bnf.fr/ark:/12148/bpt6k109011c.image.langFR.f169.pagination
Gonnard F (1910) Sur les gisements gemmifères du Velay et de la Basse Auvergne, leur distribution géographique dans ces deux régions et leurs rapports du point de vue des associations minérales qu'ils renferment. Bulletin de la Société Française de Minéralogie 33: 152-161.
Blanc Y, Mergoil-Daniel J, Tempier P (1973) Découverte de néphéline en mégacristaux et d'enclaves à néphéline et anorthose dans des projections volcaniques du Devès (Haute-Loire, France). Bulletin de la Société Française de Minéralogie et de Cristallographie 96: 388-391.
Barrier D, Pourtier G, Médard P (2004) Minéralogie du mont Denise (Haute-Loire). Le Cahier des Micromonteurs 83: 3-11.
De Ascençaõ Guedes R, Médard E, Mergoil J (2005) Minéralogie des volcans du mont Denise, Espaly-Saint-Marcel, Haute Loire. Le Règne Minéral 62: 9-22.
Médard E, Médard P, Pourtier G (2012) La chayesite, un autre mineral du groupe de l'osumilite à la Denise. Le Cahier des Micromonteurs 115: 22-23.
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