Marcoux nephelinite dike, Marcoux, Montbrison, Loire, Auvergne-Rhône-Alpes, Francei
| Regional Level Types | |
|---|---|
| Marcoux nephelinite dike | Dike |
| Marcoux | Commune |
| Montbrison | Arrondissement |
| Loire | Department |
| Auvergne-Rhône-Alpes | Region |
| France | Country |
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Latitude & Longitude (WGS84):
45° North , 3° East (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~4km
Type:
Age:
49.8 ± 2.5 Ma
Geologic Time:
Dating method:
K-Ar
Köppen climate type:
Mindat Locality ID:
358531
Long-form identifier:
mindat:1:2:358531:6
GUID (UUID V4):
d288d082-0dba-463d-b1b8-c8c79e2d3ab6
1 km long and 200-300 m wide dike.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsMineral List
4 valid minerals.
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 DiagramDetailed Mineral List:
| ⓘ 'Apatite' Formula: Ca5(PO4)3(Cl/F/OH) References: |
| ⓘ 'Biotite' Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 References: |
| ⓘ Diopside Formula: CaMgSi2O6 References: |
| ⓘ Diopside var. Ti Salite References: |
| ⓘ 'Fayalite-Forsterite Series' References: |
| ⓘ Magnetite Formula: Fe2+Fe3+2O4 References: |
| ⓘ Magnetite var. Titanium-bearing Magnetite Formula: Fe2+(Fe3+,Ti)2O4 References: |
| ⓘ 'Melilite Group' Formula: Ca2M(XSiO7) References: |
| ⓘ Nepheline Formula: Na3K(Al4Si4O16) References: |
| ⓘ Perovskite Formula: CaTiO3 References: |
Gallery:
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 |
| ⓘ | Perovskite | 4.CC.30 | CaTiO3 |
| Group 9 - Silicates | |||
| ⓘ | Diopside | 9.DA.15 | CaMgSi2O6 |
| ⓘ | var. Ti Salite | 9.DA.15 | CaMgSi2O6 |
| ⓘ | Nepheline | 9.FA.05 | Na3K(Al4Si4O16) |
| Unclassified | |||
| ⓘ | 'Biotite' | - | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| ⓘ | 'Fayalite-Forsterite Series' | - | |
| ⓘ | 'Apatite' | - | Ca5(PO4)3(Cl/F/OH) |
| ⓘ | 'Melilite Group' | - | Ca2M(XSiO7) |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| H | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| O | Oxygen | |
| O | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| O | ⓘ Diopside | CaMgSi2O6 |
| O | ⓘ Magnetite | Fe2+Fe23+O4 |
| O | ⓘ Nepheline | Na3K(Al4Si4O16) |
| O | ⓘ Perovskite | CaTiO3 |
| O | ⓘ Magnetite var. Titanium-bearing Magnetite | Fe2+(Fe3+,Ti)2O4 |
| O | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| O | ⓘ Melilite Group | Ca2M(XSiO7) |
| F | Fluorine | |
| F | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| F | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| Na | Sodium | |
| Na | ⓘ Nepheline | Na3K(Al4Si4O16) |
| Mg | Magnesium | |
| Mg | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Mg | ⓘ Diopside | CaMgSi2O6 |
| Al | Aluminium | |
| Al | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Al | ⓘ Nepheline | Na3K(Al4Si4O16) |
| Si | Silicon | |
| Si | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Si | ⓘ Diopside | CaMgSi2O6 |
| Si | ⓘ Nepheline | Na3K(Al4Si4O16) |
| Si | ⓘ Melilite Group | Ca2M(XSiO7) |
| P | Phosphorus | |
| P | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| Cl | Chlorine | |
| Cl | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| K | Potassium | |
| K | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| K | ⓘ Nepheline | Na3K(Al4Si4O16) |
| Ca | Calcium | |
| Ca | ⓘ Diopside | CaMgSi2O6 |
| Ca | ⓘ Perovskite | CaTiO3 |
| Ca | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| Ca | ⓘ Melilite Group | Ca2M(XSiO7) |
| Ti | Titanium | |
| Ti | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Ti | ⓘ Perovskite | CaTiO3 |
| Ti | ⓘ Magnetite var. Titanium-bearing Magnetite | Fe2+(Fe3+,Ti)2O4 |
| Fe | Iron | |
| Fe | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Fe | ⓘ Magnetite | Fe2+Fe23+O4 |
| Fe | ⓘ Magnetite var. Titanium-bearing Magnetite | Fe2+(Fe3+,Ti)2O4 |
Geochronology
Mineralization age: Cenozoic : 62.3 ± 1.4 Ma to 20.0 ± 0.5 MaImportant note: This table is based only on rock and mineral ages recorded on mindat.org for this locality and is not necessarily a complete representation of the geochronology, but does give an indication of possible mineralization events relevant to this locality. As more age information is added this table may expand in the future. A break in the table simply indicates a lack of data entered here, not necessarily a break in the geologic sequence. Grey background entries are from different, related, localities.
| Geologic Time | Rocks, Minerals and Events | ||||||
|---|---|---|---|---|---|---|---|
| Phanerozoic | |||||||
| Cenozoic | |||||||
| Neogene | |||||||
| Miocene |
| ||||||
| Paleogene | |||||||
| Paleocene |
| ||||||
Other Regions, Features and Areas containing this locality
Eurasian PlateTectonic Plate
EuropeContinent
France
- Auvergne-Rhône-Alpes
- Loire
- Montbrison
- Forez Volcanic FieldGroup of Occurrences
- Montbrison
- Loire
- Massif CentralHighland Region
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References
