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⇱ Mont Semiol, Châtelneuf, Montbrison, Loire, Auvergne-Rhône-Alpes, France

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Mont Semiol, Châtelneuf, Montbrison, Loire, Auvergne-Rhône-Alpes, Francei
Regional Level Types
Mont SemiolMountain
ChâtelneufCommune
MontbrisonArrondissement
LoireDepartment
Auvergne-Rhône-AlpesRegion
FranceCountry

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Latitude & Longitude (WGS84):
45° 37' 47'' North , 3° 58' 58'' East
Latitude & Longitude (decimal):
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Châtelneuf270 (2016)0.7km
Essertines-en-Châtelneuf608 (2016)1.6km
Roche258 (2016)3.1km
Lérigneux131 (2016)3.5km
Saint-Bonnet-le-Courreau764 (2016)4.6km
Mindat Locality ID:
25844
Long-form identifier:
mindat:1:2:25844:2
GUID (UUID V4):
0
Other/historical names associated with this locality:
Mont Semiouse; Mont Simiouse


Porphyritic olivine basalt on the south slope of Mont Semiol, near the top. Located 8 km WNW of Montbrison, in the municipality of Châtelneuf.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


11 valid minerals. 2 (TL) - type locality of valid minerals. 1 erroneous literature entry.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Entries shown in red are rocks recorded for this region.

Detailed Mineral List:

ⓘ Augite
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
ⓘ Calcite
Formula: CaCO3
ⓘ 'Chabazite'
ⓘ Chabazite-Na
Formula: (Na2,K2,Ca,Sr,Mg)2[Al2Si4O12]2 · 12H2O
ⓘ 'Erionite Subgroup'
Formula: M2[Al4Si14O36] · 15H2O
ⓘ 'Fayalite-Forsterite Series'
ⓘ Galena
Formula: PbS
ⓘ Mazzite-Mg (TL)
Formula: (Mg,K,Ca)5(Si26Al10)O72 · 28H2O
Type Locality:
ⓘ
Formula: Na2Ca2Si9Al6O30 · 8H2O
Description: Very likely eroneously reported, and mistaken with phillipsite. See comment by Gonnard in "Mineralogie des Departements de la Loire et du Rhone.
ⓘ Montmorillonite
Formula: (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
ⓘ Offretite (TL)
Formula: KCaMg(Si13Al5)O36 · 15H2O
Type Locality:
ⓘ Opal
Formula: SiO2 · nH2O
ⓘ Opal var. Opal-AN
Formula: SiO2 · nH2O
ⓘ 'Phillipsite Subgroup'
Formula: (Ca0.5,K,Na,Ba0.5)4-7[Al4-7Si12-9O32] . 12H2O
ⓘ Quartz
Formula: SiO2
ⓘ Quartz var. Chalcedony
Formula: SiO2
ⓘ Siderite
Formula: FeCO3
ⓘ Spinel
Formula: MgAl2O4

Gallery:

(Mg,K,Ca)5(Si26Al10)O72 · 28H2Oⓘ Mazzite-Mg (TL)
KCaMg(Si13Al5)O36 · 15H2Oⓘ Offretite (TL)
(Ca0.5,K,Na,Ba0.5)4-7[Al4-7Si12-9O32] . 12H2Oⓘ 'Phillipsite Subgroup'

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘGalena2.CD.10PbS
Group 4 - Oxides and Hydroxides
ⓘSpinel4.BB.05MgAl2O4
ⓘQuartz
var. Chalcedony		4.DA.05SiO2
ⓘ4.DA.05SiO2
ⓘOpal
var. Opal-AN		4.DA.10SiO2 · nH2O
ⓘ4.DA.10SiO2 · nH2O
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
ⓘSiderite5.AB.05FeCO3
Group 9 - Silicates
ⓘAugite9.DA.15(CaxMgyFez)(Mgy1Fez1)Si2O6
ⓘMontmorillonite9.EC.40(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
ⓘMesolite ?9.GA.05Na2Ca2Si9Al6O30 · 8H2O
ⓘMazzite-Mg (TL)9.GC.20(Mg,K,Ca)5(Si26Al10)O72 · 28H2O
ⓘChabazite-Na9.GD.10(Na2,K2,Ca,Sr,Mg)2[Al2Si4O12]2 · 12H2O
ⓘOffretite (TL)9.GD.25KCaMg(Si13Al5)O36 · 15H2O
Unclassified
ⓘ'Chabazite'-
ⓘ'Erionite Subgroup'-M2[Al4Si14O36] · 15H2O
ⓘ'Phillipsite Subgroup'-(Ca0.5,K,Na,Ba0.5)4-7[Al4-7Si12-9O32] . 12H2O
ⓘ'Fayalite-Forsterite Series'-

List of minerals for each chemical element

HHydrogen
Hⓘ Erionite SubgroupM2[Al4Si14O36] · 15H2O
Hⓘ Opal var. Opal-ANSiO2 · nH2O
Hⓘ Mazzite-Mg(Mg,K,Ca)5(Si26Al10)O72 · 28H2O
Hⓘ MesoliteNa2Ca2Si9Al6O30 · 8H2O
Hⓘ Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Hⓘ OffretiteKCaMg(Si13Al5)O36 · 15H2O
Hⓘ OpalSiO2 · nH2O
Hⓘ Phillipsite Subgroup(Ca0.5,K,Na,Ba0.5)4-7[Al4-7Si12-9O32] . 12H2O
Hⓘ Chabazite-Na(Na2,K2,Ca,Sr,Mg)2[Al2Si4O12]2 · 12H2O
CCarbon
Cⓘ CalciteCaCO3
Cⓘ SideriteFeCO3
OOxygen
Oⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Oⓘ CalciteCaCO3
Oⓘ Quartz var. ChalcedonySiO2
Oⓘ Erionite SubgroupM2[Al4Si14O36] · 15H2O
Oⓘ Opal var. Opal-ANSiO2 · nH2O
Oⓘ Mazzite-Mg(Mg,K,Ca)5(Si26Al10)O72 · 28H2O
Oⓘ MesoliteNa2Ca2Si9Al6O30 · 8H2O
Oⓘ Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Oⓘ OffretiteKCaMg(Si13Al5)O36 · 15H2O
Oⓘ OpalSiO2 · nH2O
Oⓘ Phillipsite Subgroup(Ca0.5,K,Na,Ba0.5)4-7[Al4-7Si12-9O32] . 12H2O
Oⓘ QuartzSiO2
Oⓘ SideriteFeCO3
Oⓘ SpinelMgAl2O4
Oⓘ Chabazite-Na(Na2,K2,Ca,Sr,Mg)2[Al2Si4O12]2 · 12H2O
Oⓘ Fayalite-Forsterite Series
NaSodium
Naⓘ MesoliteNa2Ca2Si9Al6O30 · 8H2O
Naⓘ Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Naⓘ Phillipsite Subgroup(Ca0.5,K,Na,Ba0.5)4-7[Al4-7Si12-9O32] . 12H2O
Naⓘ Chabazite-Na(Na2,K2,Ca,Sr,Mg)2[Al2Si4O12]2 · 12H2O
MgMagnesium
Mgⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Mgⓘ Mazzite-Mg(Mg,K,Ca)5(Si26Al10)O72 · 28H2O
Mgⓘ Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Mgⓘ OffretiteKCaMg(Si13Al5)O36 · 15H2O
Mgⓘ SpinelMgAl2O4
Mgⓘ Chabazite-Na(Na2,K2,Ca,Sr,Mg)2[Al2Si4O12]2 · 12H2O
Mgⓘ Fayalite-Forsterite Series
AlAluminium
Alⓘ Erionite SubgroupM2[Al4Si14O36] · 15H2O
Alⓘ Mazzite-Mg(Mg,K,Ca)5(Si26Al10)O72 · 28H2O
Alⓘ MesoliteNa2Ca2Si9Al6O30 · 8H2O
Alⓘ Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Alⓘ OffretiteKCaMg(Si13Al5)O36 · 15H2O
Alⓘ Phillipsite Subgroup(Ca0.5,K,Na,Ba0.5)4-7[Al4-7Si12-9O32] . 12H2O
Alⓘ SpinelMgAl2O4
Alⓘ Chabazite-Na(Na2,K2,Ca,Sr,Mg)2[Al2Si4O12]2 · 12H2O
SiSilicon
Siⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Siⓘ Quartz var. ChalcedonySiO2
Siⓘ Erionite SubgroupM2[Al4Si14O36] · 15H2O
Siⓘ Opal var. Opal-ANSiO2 · nH2O
Siⓘ Mazzite-Mg(Mg,K,Ca)5(Si26Al10)O72 · 28H2O
Siⓘ MesoliteNa2Ca2Si9Al6O30 · 8H2O
Siⓘ Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Siⓘ OffretiteKCaMg(Si13Al5)O36 · 15H2O
Siⓘ OpalSiO2 · nH2O
Siⓘ Phillipsite Subgroup(Ca0.5,K,Na,Ba0.5)4-7[Al4-7Si12-9O32] . 12H2O
Siⓘ QuartzSiO2
Siⓘ Chabazite-Na(Na2,K2,Ca,Sr,Mg)2[Al2Si4O12]2 · 12H2O
Siⓘ Fayalite-Forsterite Series
SSulfur
Sⓘ GalenaPbS
KPotassium
Kⓘ Mazzite-Mg(Mg,K,Ca)5(Si26Al10)O72 · 28H2O
Kⓘ OffretiteKCaMg(Si13Al5)O36 · 15H2O
Kⓘ Phillipsite Subgroup(Ca0.5,K,Na,Ba0.5)4-7[Al4-7Si12-9O32] . 12H2O
Kⓘ Chabazite-Na(Na2,K2,Ca,Sr,Mg)2[Al2Si4O12]2 · 12H2O
CaCalcium
Caⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Caⓘ CalciteCaCO3
Caⓘ Mazzite-Mg(Mg,K,Ca)5(Si26Al10)O72 · 28H2O
Caⓘ MesoliteNa2Ca2Si9Al6O30 · 8H2O
Caⓘ Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Caⓘ OffretiteKCaMg(Si13Al5)O36 · 15H2O
Caⓘ Phillipsite Subgroup(Ca0.5,K,Na,Ba0.5)4-7[Al4-7Si12-9O32] . 12H2O
Caⓘ Chabazite-Na(Na2,K2,Ca,Sr,Mg)2[Al2Si4O12]2 · 12H2O
FeIron
Feⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Feⓘ SideriteFeCO3
Feⓘ Fayalite-Forsterite Series
SrStrontium
Srⓘ Chabazite-Na(Na2,K2,Ca,Sr,Mg)2[Al2Si4O12]2 · 12H2O
BaBarium
Baⓘ Phillipsite Subgroup(Ca0.5,K,Na,Ba0.5)4-7[Al4-7Si12-9O32] . 12H2O
PbLead
Pbⓘ GalenaPbS

Other Regions, Features and Areas containing this locality

Eurasian PlateTectonic Plate
EuropeContinent
France

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References

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