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Riou des Brus alluvial deposits, Espaly-Saint-Marcel, Le Puy-en-Velay, Haute-Loire, Auvergne-Rhône-Alpes, Francei
| Regional Level Types | |
|---|---|
| Riou des Brus alluvial deposits | Alluvials |
| Espaly-Saint-Marcel | Commune |
| Le Puy-en-Velay | Arrondissement |
| Haute-Loire | Department |
| Auvergne-Rhône-Alpes | Region |
| France | Country |
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Latitude & Longitude (WGS84):
45° 2' 12'' North , 3° 51' 50'' East
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Vals-près-le-Puy | 3,758 (2016) | 1.2km |
| Espaly-Saint-Marcel | 3,971 (2016) | 1.3km |
| Le Puy-en-Velay | 22,718 (2016) | 1.8km |
| Ceyssac | 434 (2016) | 2.3km |
| Polignac | 2,761 (2016) | 3.8km |
Other/historical names associated with this locality:
Auvergne; Rhône-Alpes
Name(s) in local language(s):
Riou des Brus, Espaly-Saint-Marcel, Le Puy-en-Velay, Haute-Loire, Auvergne, France
The Riou des Brus is a small stream which joined the Riou Pezzouliou. Like the Riou Pezzouliou, it is well known since the Middle-Age for alluvial gem-quality sapphires and zircons,
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ 'Amphibole Supergroup' Formula: AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 References: |
| ⓘ Augite Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6 References: |
| ⓘ Calcite Formula: CaCO3 References: |
| ⓘ 'Chromite-Hercynite Series' References: |
| ⓘ Corundum Formula: Al2O3 References: |
| ⓘ Corundum var. Sapphire Formula: Al2O3 References: |
| ⓘ 'Fayalite-Forsterite Series' References: |
| ⓘ Hydroxylapatite Formula: Ca5(PO4)3(OH) Description: Analyse Vincent Bourgoin - Association Jean Wyart References: |
| ⓘ 'Limonite' References: |
| ⓘ Magnetite Formula: Fe2+Fe3+2O4 References: |
| ⓘ Magnetite var. Titanium-bearing Magnetite Formula: Fe2+(Fe3+,Ti)2O4 References: |
| ⓘ Quartz Formula: SiO2 References: |
| ⓘ Sillimanite Formula: Al2(SiO4)O References: |
| ⓘ Zircon Formula: Zr(SiO4) References: |
List of minerals arranged by Strunz 10th Edition classification
| Group 4 - Oxides and Hydroxides | |||
|---|---|---|---|
| ⓘ | Magnetite | 4.BB.05 | Fe2+Fe3+2O4 |
| ⓘ | var. Titanium-bearing Magnetite | 4.BB.05 | Fe2+(Fe3+,Ti)2O4 |
| ⓘ | Corundum | 4.CB.05 | Al2O3 |
| ⓘ | var. Sapphire | 4.CB.05 | Al2O3 |
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| Group 5 - Nitrates and Carbonates | |||
| ⓘ | Calcite | 5.AB.05 | CaCO3 |
| Group 8 - Phosphates, Arsenates and Vanadates | |||
| ⓘ | Hydroxylapatite | 8.BN.05 | Ca5(PO4)3(OH) |
| Group 9 - Silicates | |||
| ⓘ | Zircon | 9.AD.30 | Zr(SiO4) |
| ⓘ | Sillimanite | 9.AF.05 | Al2(SiO4)O |
| ⓘ | Augite | 9.DA.15 | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| Unclassified | |||
| ⓘ | 'Amphibole Supergroup' | - | AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
| ⓘ | 'Limonite' | - | |
| ⓘ | 'Fayalite-Forsterite Series' | - | |
| ⓘ | 'Chromite-Hercynite Series' | - | |
List of minerals for each chemical element
Other Regions, Features and Areas containing this locality
Eurasian PlateTectonic Plate
- Moldanubian BeltOrogenic Belt
EuropeContinent
France
- ⭔AuvergneRegion
- Massif CentralHighland Region
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Riou des Brus alluvial deposits, Espaly-Saint-Marcel, Le Puy-en-Velay, Haute-Loire, Auvergne-Rhône-Alpes, France