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Peygerolles, Saint-Privat-du-Dragon, Lavoûte-Chilhac, Haute-Loire, Auvergne-Rhône-Alpes, Francei
Regional Level Types
Peygerolles- not defined -
Saint-Privat-du-Dragon- not defined -
Lavoûte-Chilhac- not defined -
Haute-LoireDepartment
Auvergne-Rhône-AlpesRegion
FranceCountry

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Latitude & Longitude (WGS84): 45° 12' 15'' North , 3° 25' 46'' East
Latitude & Longitude (decimal): 45.20417,3.42944
GeoHash:G#: u043nj1jr
Köppen climate type:Cfb : Temperate oceanic climate
Nearest Settlements:
PlacePopulationDistance
Saint-Privat-du-Dragon198 (2016)2.3km
Saint-Ilpize217 (2016)3.4km
Blassac127 (2016)4.4km
Salzuit358 (2016)4.4km
La Chomette141 (2016)4.6km
Other/historical names associated with this locality:Auvergne; Rhône-Alpes


eluvials on amphibole outcrop.

Regions containing this locality

Eurasian PlateTectonic Plate
EuropeContinent

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


14 valid minerals.

Detailed Mineral List:

'Amphibole Supergroup'
Formula: AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Reference: PERINET F., PEGERE G. (2009) – Les sables éluvionnaires à rubis et sapphirine du secteur de Peygerolles, St-Privat-du-Dragon, Haute-Loire – Le Cahier des Micromonteurs, n° 104, pp. 35-41.
Anorthite
Formula: Ca(Al2Si2O8)
Reference: PERINET F., PEGERE G. (2009) – Les sables éluvionnaires à rubis et sapphirine du secteur de Peygerolles, St-Privat-du-Dragon, Haute-Loire – Le Cahier des Micromonteurs, n° 104, pp. 35-41.
Augite
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
Reference: PERINET F., PEGERE G. (2009) – Les sables éluvionnaires à rubis et sapphirine du secteur de Peygerolles, St-Privat-du-Dragon, Haute-Loire – Le Cahier des Micromonteurs, n° 104, pp. 35-41.
Corundum
Formula: Al2O3
Reference: PERINET F., PEGERE G. (2009) – Les sables éluvionnaires à rubis et sapphirine du secteur de Peygerolles, St-Privat-du-Dragon, Haute-Loire – Le Cahier des Micromonteurs, n° 104, pp. 35-41.
Corundum var: Ruby
Formula: Al2O3
Reference: PERINET F., PEGERE G. (2009) – Les sables éluvionnaires à rubis et sapphirine du secteur de Peygerolles, St-Privat-du-Dragon, Haute-Loire – Le Cahier des Micromonteurs, n° 104, pp. 35-41.
'Fayalite-Forsterite Series'
Reference: PERINET F., PEGERE G. (2009) – Les sables éluvionnaires à rubis et sapphirine du secteur de Peygerolles, St-Privat-du-Dragon, Haute-Loire – Le Cahier des Micromonteurs, n° 104, pp. 35-41.
Ferro-pargasite
Formula: {Na}{Ca2}{Fe2+4Al}(Al2Si6O22)(OH)2
Reference: PERINET F., PEGERE G. (2009) – Les sables éluvionnaires à rubis et sapphirine du secteur de Peygerolles, St-Privat-du-Dragon, Haute-Loire – Le Cahier des Micromonteurs, n° 104, pp. 35-41.
'Garnet Group'
Formula: X3Z2(SiO4)3
Reference: PERINET F., PEGERE G. (2009) – Les sables éluvionnaires à rubis et sapphirine du secteur de Peygerolles, St-Privat-du-Dragon, Haute-Loire – Le Cahier des Micromonteurs, n° 104, pp. 35-41.
Hematite
Formula: Fe2O3
Reference: PERINET F., PEGERE G. (2009) – Les sables éluvionnaires à rubis et sapphirine du secteur de Peygerolles, St-Privat-du-Dragon, Haute-Loire – Le Cahier des Micromonteurs, n° 104, pp. 35-41.
Magnesio-hornblende
Formula: ☐{Ca2}{Mg4Al}(AlSi7O22)(OH)2
Reference: PERINET F., PEGERE G. (2009) – Les sables éluvionnaires à rubis et sapphirine du secteur de Peygerolles, St-Privat-du-Dragon, Haute-Loire – Le Cahier des Micromonteurs, n° 104, pp. 35-41.
Magnetite
Formula: Fe2+Fe3+2O4
Reference: PERINET F., PEGERE G. (2009) – Les sables éluvionnaires à rubis et sapphirine du secteur de Peygerolles, St-Privat-du-Dragon, Haute-Loire – Le Cahier des Micromonteurs, n° 104, pp. 35-41.
Pargasite
Formula: {Na}{Ca2}{Mg4Al}(Al2Si6O22)(OH)2
Reference: PERINET F., PEGERE G. (2009) – Les sables éluvionnaires à rubis et sapphirine du secteur de Peygerolles, St-Privat-du-Dragon, Haute-Loire – Le Cahier des Micromonteurs, n° 104, pp. 35-41.
Rutile
Formula: TiO2
Reference: PERINET F., PEGERE G. (2009) – Les sables éluvionnaires à rubis et sapphirine du secteur de Peygerolles, St-Privat-du-Dragon, Haute-Loire – Le Cahier des Micromonteurs, n° 104, pp. 35-41.
Sapphirine
Formula: Mg4(Mg3Al9)O4[Si3Al9O36]
Reference: PERINET F., PEGERE G. (2009) – Les sables éluvionnaires à rubis et sapphirine du secteur de Peygerolles, St-Privat-du-Dragon, Haute-Loire – Le Cahier des Micromonteurs, n° 104, pp. 35-41.
Spinel
Formula: MgAl2O4
Reference: PERINET F., PEGERE G. (2009) – Les sables éluvionnaires à rubis et sapphirine du secteur de Peygerolles, St-Privat-du-Dragon, Haute-Loire – Le Cahier des Micromonteurs, n° 104, pp. 35-41.
Titanite
Formula: CaTi(SiO4)O
Reference: PERINET F., PEGERE G. (2009) – Les sables éluvionnaires à rubis et sapphirine du secteur de Peygerolles, St-Privat-du-Dragon, Haute-Loire – Le Cahier des Micromonteurs, n° 104, pp. 35-41.
Vermiculite
Formula: Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Reference: PERINET F., PEGERE G. (2009) – Les sables éluvionnaires à rubis et sapphirine du secteur de Peygerolles, St-Privat-du-Dragon, Haute-Loire – Le Cahier des Micromonteurs, n° 104, pp. 35-41.
Zircon
Formula: Zr(SiO4)
Reference: PERINET F., PEGERE G. (2009) – Les sables éluvionnaires à rubis et sapphirine du secteur de Peygerolles, St-Privat-du-Dragon, Haute-Loire – Le Cahier des Micromonteurs, n° 104, pp. 35-41.

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Corundum4.CB.05Al2O3
var: Ruby4.CB.05Al2O3
Hematite4.CB.05Fe2O3
Magnetite4.BB.05Fe2+Fe3+2O4
Rutile4.DB.05TiO2
Spinel4.BB.05MgAl2O4
Group 9 - Silicates
Anorthite9.FA.35Ca(Al2Si2O8)
Augite9.DA.15(CaxMgyFez)(Mgy1Fez1)Si2O6
Ferro-pargasite9.DE.15{Na}{Ca2}{Fe2+4Al}(Al2Si6O22)(OH)2
Magnesio-hornblende9.DE.10☐{Ca2}{Mg4Al}(AlSi7O22)(OH)2
Pargasite9.DE.15{Na}{Ca2}{Mg4Al}(Al2Si6O22)(OH)2
Sapphirine9.DH.45Mg4(Mg3Al9)O4[Si3Al9O36]
Titanite9.AG.15CaTi(SiO4)O
Vermiculite9.EC.50Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Zircon9.AD.30Zr(SiO4)
Unclassified Minerals, Rocks, etc.
'Amphibole Supergroup'-AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
'Fayalite-Forsterite Series'-
'Garnet Group'-X3Z2(SiO4)3

List of minerals arranged by Dana 8th Edition classification

Group 4 - SIMPLE OXIDES
A2X3
Corundum4.3.1.1Al2O3
Hematite4.3.1.2Fe2O3
AX2
Rutile4.4.1.1TiO2
Group 7 - MULTIPLE OXIDES
AB2X4
Magnetite7.2.2.3Fe2+Fe3+2O4
Spinel7.2.1.1MgAl2O4
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in >[6] coordination
Zircon51.5.2.1Zr(SiO4)
Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] and/or >[6] coordination
Titanite52.4.3.1CaTi(SiO4)O
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Augite65.1.3a.3(CaxMgyFez)(Mgy1Fez1)Si2O6
Group 66 - INOSILICATES Double-Width,Unbranched Chains,(W=2)
Amphiboles - Mg-Fe-Mn-Li subgroup
Pargasite66.1.3a.12{Na}{Ca2}{Mg4Al}(Al2Si6O22)(OH)2
Group 69 - INOSILICATES Chains with Side Branches or Loops
Chains with Side Branches or Loops with P>2
Sapphirine69.2.1b.1Mg4(Mg3Al9)O4[Si3Al9O36]
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Vermiculite71.2.2d.3Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Unclassified Minerals, Mixtures, etc.
'Amphibole Supergroup'-AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Anorthite-Ca(Al2Si2O8)
Corundum
var: Ruby
-Al2O3
'Fayalite-Forsterite Series'-
Ferro-pargasite-{Na}{Ca2}{Fe2+4Al}(Al2Si6O22)(OH)2
'Garnet Group'-X3Z2(SiO4)3
Magnesio-hornblende-☐{Ca2}{Mg4Al}(AlSi7O22)(OH)2

List of minerals for each chemical element

HHydrogen
H Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
H Pargasite{Na}{Ca2}{Mg4Al}(Al2Si6O22)(OH)2
H Ferro-pargasite{Na}{Ca2}{Fe42+Al}(Al2Si6O22)(OH)2
H Magnesio-hornblende☐{Ca2}{Mg4Al}(AlSi7O22)(OH)2
H VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
OOxygen
O Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
O Pargasite{Na}{Ca2}{Mg4Al}(Al2Si6O22)(OH)2
O Ferro-pargasite{Na}{Ca2}{Fe42+Al}(Al2Si6O22)(OH)2
O Magnesio-hornblende☐{Ca2}{Mg4Al}(AlSi7O22)(OH)2
O Corundum (var: Ruby)Al2O3
O AnorthiteCa(Al2Si2O8)
O Garnet GroupX3Z2(SiO4)3
O HematiteFe2O3
O MagnetiteFe2+Fe23+O4
O Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
O RutileTiO2
O SapphirineMg4(Mg3Al9)O4[Si3Al9O36]
O SpinelMgAl2O4
O TitaniteCaTi(SiO4)O
O VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
O ZirconZr(SiO4)
O CorundumAl2O3
FFluorine
F Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
NaSodium
Na Pargasite{Na}{Ca2}{Mg4Al}(Al2Si6O22)(OH)2
Na Ferro-pargasite{Na}{Ca2}{Fe42+Al}(Al2Si6O22)(OH)2
MgMagnesium
Mg Pargasite{Na}{Ca2}{Mg4Al}(Al2Si6O22)(OH)2
Mg Magnesio-hornblende☐{Ca2}{Mg4Al}(AlSi7O22)(OH)2
Mg Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Mg SapphirineMg4(Mg3Al9)O4[Si3Al9O36]
Mg SpinelMgAl2O4
Mg VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
AlAluminium
Al Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Al Pargasite{Na}{Ca2}{Mg4Al}(Al2Si6O22)(OH)2
Al Ferro-pargasite{Na}{Ca2}{Fe42+Al}(Al2Si6O22)(OH)2
Al Magnesio-hornblende☐{Ca2}{Mg4Al}(AlSi7O22)(OH)2
Al Corundum (var: Ruby)Al2O3
Al AnorthiteCa(Al2Si2O8)
Al SapphirineMg4(Mg3Al9)O4[Si3Al9O36]
Al SpinelMgAl2O4
Al VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Al CorundumAl2O3
SiSilicon
Si Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Si Pargasite{Na}{Ca2}{Mg4Al}(Al2Si6O22)(OH)2
Si Ferro-pargasite{Na}{Ca2}{Fe42+Al}(Al2Si6O22)(OH)2
Si Magnesio-hornblende☐{Ca2}{Mg4Al}(AlSi7O22)(OH)2
Si AnorthiteCa(Al2Si2O8)
Si Garnet GroupX3Z2(SiO4)3
Si Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Si SapphirineMg4(Mg3Al9)O4[Si3Al9O36]
Si TitaniteCaTi(SiO4)O
Si VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Si ZirconZr(SiO4)
ClChlorine
Cl Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
CaCalcium
Ca Pargasite{Na}{Ca2}{Mg4Al}(Al2Si6O22)(OH)2
Ca Ferro-pargasite{Na}{Ca2}{Fe42+Al}(Al2Si6O22)(OH)2
Ca Magnesio-hornblende☐{Ca2}{Mg4Al}(AlSi7O22)(OH)2
Ca AnorthiteCa(Al2Si2O8)
Ca Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Ca TitaniteCaTi(SiO4)O
TiTitanium
Ti Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Ti RutileTiO2
Ti TitaniteCaTi(SiO4)O
FeIron
Fe Ferro-pargasite{Na}{Ca2}{Fe42+Al}(Al2Si6O22)(OH)2
Fe HematiteFe2O3
Fe MagnetiteFe2+Fe23+O4
Fe Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Fe VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
ZrZirconium
Zr ZirconZr(SiO4)

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Paleozoic
251.902 - 541 Ma



ID: 3143410
Amphibolite-leptynite unit

Age: Phanerozoic (251.902 - 541 Ma)

Description: ophiolite complex

Lithology: Major:{amphibolite}, Minor{eclogite,granulite}

Reference: Asch, K. The 1:5M International Geological Map of Europe and Adjacent Areas: Development and Implementation of a GIS-enabled Concept. Geologisches Jahrbuch, SA 3. [147]

Neoproterozoic
541 - 1000 Ma



ID: 3190208
Neoproterozoic crystalline metamorphic rocks

Age: Neoproterozoic (541 - 1000 Ma)

Comments: Massif Central

Lithology: Metasedimentary/metavolcanic schist

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
FORESTIER F. H., LASNIER B. (1969) – Découverte de niveaux d’amphibolites à pargasite, anorthite, corindon et saphirine dans les schistes cristallins de la vallée du Haut-Allier – Existence du faciès granulite dans la massif Central Français, Contr. Mineral. And Petrol. 23, pp. 194-235.
LASNIER B., MARCHAND J. (1982) – Notice de la carte géologique de Brioude (Haute-Loire) , pp. 20-22.
PERINET F., PEGERE G. (2009) – Les sables éluvionnaires à rubis et sapphirine du secteur de Peygerolles, St-Privat-du-Dragon, Haute-Loire – Le Cahier des Micromonteurs, n° 104, pp. 35-41.
PERINET F., PEGERE G. (2010) – A la découverte du rubis de Peygerolles, Saint-Privat-du-Dragon, Haute-Loire. Le Règne Minéral n°93, pp 53-56.


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