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Velay Volcanic Area, Le Puy-en-Velay, Haute-Loire, Auvergne-Rhône-Alpes, Francei
| Regional Level Types | |
|---|---|
| Velay Volcanic Area | Volcanic Field |
| Le Puy-en-Velay | Arrondissement |
| Haute-Loire | Department |
| Auvergne-Rhône-Alpes | Region |
| France | Country |
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Latitude & Longitude (WGS84):
45° 0' 0'' North , 3° 52' 59'' East
Latitude & Longitude (decimal):
Type:
Age:
14 Ma to present day
Geologic Time:
Köppen climate type:
To the east of Cantal Volcano, Thiézac, Aurillac, Cantal, Auvergne-Rhône-Alpes, France the volcanism of the Massif Central, France continues in an area generally referred to as the Velay (Mergoil et al. 1993). This area comprises 2 distinct but partly overlapping regions: Devés to the west and Velay oriental to the east.
Volcanic field is over 55 km long and dominated by a chain of phonolitic and trachytic rocks, which represent extrusions from over 180 centres. Over 100 of the phonolites form diomes or plugs, which give rise to a characteristic landscape.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsMineral List
Mineral list contains entries from the region specified including sub-localities25 valid minerals.
Rock Types Recorded
Rock list contains entries from the region specified including sub-localities
Select Rock List Type
Alphabetical List Tree DiagramDetailed Mineral List:
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 |
| ⓘ | Ilmenite | 4.CB.05 | Fe2+TiO3 |
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| Group 9 - Silicates | |||
| ⓘ | Zircon | 9.AD.30 | Zr(SiO4) |
| ⓘ | Titanite | 9.AG.15 | CaTi(SiO4)O |
| ⓘ | Låvenite | 9.BE.17 | Na2Ca2Mn2Zr2(Si2O7)2O2F2 |
| ⓘ | Mosandrite-(Ce) | 9.BE.20 | (Ca3REE)[(H2O)2Ca0.5◻0.5]Ti(Si2O7)2(OH)2(H2O)2 |
| ⓘ | Catapleiite | 9.CA.15 | Na2Zr(Si3O9) · 2H2O |
| ⓘ | Eudialyte | 9.CO.10 | Na15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2 |
| ⓘ | Augite | 9.DA.15 | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| ⓘ | Diopside | 9.DA.15 | CaMgSi2O6 |
| ⓘ | var. Salite | 9.DA.15 | CaMgSi2O6 |
| ⓘ | Augite var. Titanium-bearing Augite | 9.DA.15 | (Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6 |
| ⓘ | Aegirine-augite | 9.DA.20 | (NaaCabFe2+cMgd)(Fe3+eAlfFe2+gMgh)Si2O6 |
| ⓘ | Astrophyllite | 9.DC.05 | K2NaFe2+7Ti2[Si4O12]2O2(OH)4F |
| ⓘ | Kaersutite | 9.DE.15 | NaCa2(Mg3AlTi4+)(Si6Al2)O22O2 |
| ⓘ | Arfvedsonite | 9.DE.25 | NaNa2(Fe2+4Fe3+)Si8O22(OH)2 |
| ⓘ | Riebeckite | 9.DE.25 | ◻Na2(Fe2+3Fe3+2)Si8O22(OH)2 |
| ⓘ | Aenigmatite | 9.DH.40 | Na4[Fe2+10Ti2]O4[Si12O36] |
| ⓘ | Nepheline | 9.FA.05 | Na3K(Al4Si4O16) |
| ⓘ | Sanidine | 9.FA.30 | K(AlSi3O8) |
| ⓘ | Albite | 9.FA.35 | Na(AlSi3O8) |
| ⓘ | var. Andesine | 9.FA.35 | (Na,Ca)[Al(Si,Al)Si2O8] |
| ⓘ | Anorthite | 9.FA.35 | Ca(Al2Si2O8) |
| ⓘ | Albite var. Anorthoclase | 9.FA.35 | (Na,K)AlSi3O8 |
| ⓘ | Anorthite var. Labradorite | 9.FA.35 | (Ca,Na)[Al(Al,Si)Si2O8] |
| ⓘ | Albite var. Oligoclase | 9.FA.35 | (Na,Ca)[Al(Si,Al)Si2O8] |
| ⓘ | Nosean | 9.FB.10 | Na8(Al6Si6O24)(SO4) · H2O |
| ⓘ | Sodalite | 9.FB.10 | Na4(Si3Al3)O12Cl |
| ⓘ | Analcime | 9.GB.05 | Na(AlSi2O6) · H2O |
| ⓘ | Leucite | 9.GB.05 | K(AlSi2O6) |
| Unclassified | |||
| ⓘ | 'Amphibole Supergroup' | - | AB2C5(T8O22)W2 |
| ⓘ | 'Biotite' | - | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| ⓘ | 'Clinopyroxene Subgroup' | - | |
| ⓘ | 'Fayalite-Forsterite Series' | - | |
| ⓘ | 'Plagioclase' | - | (Na,Ca)[(Si,Al)AlSi2]O8 |
| ⓘ | 'Pyroxene Group' | - | ADSi2O6 |
| ⓘ | 'Biotite var. Titanium-bearing Biotite' | - | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| ⓘ | 'Glass' | - | |
| ⓘ | 'Apatite' | - | Ca5(PO4)3A |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Analcime | Na(AlSi2O6) · H2O |
| H | ⓘ Arfvedsonite | NaNa2(Fe42+Fe3+)Si8O22(OH)2 |
| H | ⓘ Astrophyllite | K2NaFe72+Ti2[Si4O12]2O2(OH)4F |
| H | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| H | ⓘ Catapleiite | Na2Zr(Si3O9) · 2H2O |
| H | ⓘ Eudialyte | Na15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2 |
| H | ⓘ Mosandrite-(Ce) | (Ca3REE)[(H2O)2Ca0.5◻0.5]Ti(Si2O7)2(OH)2(H2O)2 |
| H | ⓘ Nosean | Na8(Al6Si6O24)(SO4) · H2O |
| H | ⓘ Riebeckite | ◻Na2(Fe32+Fe23+)Si8O22(OH)2 |
| H | ⓘ Biotite var. Titanium-bearing Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| O | Oxygen | |
| O | ⓘ Aegirine-augite | (NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6 |
| O | ⓘ Aenigmatite | Na4[Fe102+Ti2]O4[Si12O36] |
| O | ⓘ Albite | Na(AlSi3O8) |
| O | ⓘ Amphibole Supergroup | AB2C5(T8O22)W2 |
| O | ⓘ Analcime | Na(AlSi2O6) · H2O |
| O | ⓘ Albite var. Andesine | (Na,Ca)[Al(Si,Al)Si2O8] |
| O | ⓘ Anorthite | Ca(Al2Si2O8) |
| O | ⓘ Albite var. Anorthoclase | (Na,K)AlSi3O8 |
| O | ⓘ Arfvedsonite | NaNa2(Fe42+Fe3+)Si8O22(OH)2 |
| O | ⓘ Astrophyllite | K2NaFe72+Ti2[Si4O12]2O2(OH)4F |
| O | ⓘ Augite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| O | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| O | ⓘ Catapleiite | Na2Zr(Si3O9) · 2H2O |
| O | ⓘ Diopside | CaMgSi2O6 |
| O | ⓘ Eudialyte | Na15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2 |
| O | ⓘ Ilmenite | Fe2+TiO3 |
| O | ⓘ Kaersutite | NaCa2(Mg3AlTi4+)(Si6Al2)O22O2 |
| O | ⓘ Anorthite var. Labradorite | (Ca,Na)[Al(Al,Si)Si2O8] |
| O | ⓘ Låvenite | Na2Ca2Mn2Zr2(Si2O7)2O2F2 |
| O | ⓘ Leucite | K(AlSi2O6) |
| O | ⓘ Magnetite | Fe2+Fe23+O4 |
| O | ⓘ Mosandrite-(Ce) | (Ca3REE)[(H2O)2Ca0.5◻0.5]Ti(Si2O7)2(OH)2(H2O)2 |
| O | ⓘ Nepheline | Na3K(Al4Si4O16) |
| O | ⓘ Nosean | Na8(Al6Si6O24)(SO4) · H2O |
| O | ⓘ Albite var. Oligoclase | (Na,Ca)[Al(Si,Al)Si2O8] |
| O | ⓘ Quartz | SiO2 |
| O | ⓘ Riebeckite | ◻Na2(Fe32+Fe23+)Si8O22(OH)2 |
| O | ⓘ Sanidine | K(AlSi3O8) |
| O | ⓘ Sodalite | Na4(Si3Al3)O12Cl |
| O | ⓘ Titanite | CaTi(SiO4)O |
| O | ⓘ Magnetite var. Titanium-bearing Magnetite | Fe2+(Fe3+,Ti)2O4 |
| O | ⓘ Zircon | Zr(SiO4) |
| O | ⓘ Fayalite-Forsterite Series | |
| O | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| O | ⓘ Pyroxene Group | ADSi2O6 |
| O | ⓘ Diopside var. Salite | CaMgSi2O6 |
| O | ⓘ Biotite var. Titanium-bearing Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| O | ⓘ Augite var. Titanium-bearing Augite | (Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6 |
| O | ⓘ Apatite | Ca5(PO4)3A |
| F | Fluorine | |
| F | ⓘ Astrophyllite | K2NaFe72+Ti2[Si4O12]2O2(OH)4F |
| F | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| F | ⓘ Låvenite | Na2Ca2Mn2Zr2(Si2O7)2O2F2 |
| F | ⓘ Biotite var. Titanium-bearing Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Na | Sodium | |
| Na | ⓘ Aegirine-augite | (NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6 |
| Na | ⓘ Aenigmatite | Na4[Fe102+Ti2]O4[Si12O36] |
| Na | ⓘ Albite | Na(AlSi3O8) |
| Na | ⓘ Analcime | Na(AlSi2O6) · H2O |
| Na | ⓘ Albite var. Andesine | (Na,Ca)[Al(Si,Al)Si2O8] |
| Na | ⓘ Albite var. Anorthoclase | (Na,K)AlSi3O8 |
| Na | ⓘ Arfvedsonite | NaNa2(Fe42+Fe3+)Si8O22(OH)2 |
| Na | ⓘ Astrophyllite | K2NaFe72+Ti2[Si4O12]2O2(OH)4F |
| Na | ⓘ Catapleiite | Na2Zr(Si3O9) · 2H2O |
| Na | ⓘ Eudialyte | Na15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2 |
| Na | ⓘ Kaersutite | NaCa2(Mg3AlTi4+)(Si6Al2)O22O2 |
| Na | ⓘ Anorthite var. Labradorite | (Ca,Na)[Al(Al,Si)Si2O8] |
| Na | ⓘ Låvenite | Na2Ca2Mn2Zr2(Si2O7)2O2F2 |
| Na | ⓘ Nepheline | Na3K(Al4Si4O16) |
| Na | ⓘ Nosean | Na8(Al6Si6O24)(SO4) · H2O |
| Na | ⓘ Albite var. Oligoclase | (Na,Ca)[Al(Si,Al)Si2O8] |
| Na | ⓘ Riebeckite | ◻Na2(Fe32+Fe23+)Si8O22(OH)2 |
| Na | ⓘ Sodalite | Na4(Si3Al3)O12Cl |
| Na | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Na | ⓘ Augite var. Titanium-bearing Augite | (Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6 |
| Mg | Magnesium | |
| Mg | ⓘ Aegirine-augite | (NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6 |
| Mg | ⓘ Augite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| Mg | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Mg | ⓘ Diopside | CaMgSi2O6 |
| Mg | ⓘ Kaersutite | NaCa2(Mg3AlTi4+)(Si6Al2)O22O2 |
| Mg | ⓘ Fayalite-Forsterite Series | |
| Mg | ⓘ Diopside var. Salite | CaMgSi2O6 |
| Mg | ⓘ Biotite var. Titanium-bearing Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Mg | ⓘ Augite var. Titanium-bearing Augite | (Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6 |
| Al | Aluminium | |
| Al | ⓘ Aegirine-augite | (NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6 |
| Al | ⓘ Albite | Na(AlSi3O8) |
| Al | ⓘ Analcime | Na(AlSi2O6) · H2O |
| Al | ⓘ Albite var. Andesine | (Na,Ca)[Al(Si,Al)Si2O8] |
| Al | ⓘ Anorthite | Ca(Al2Si2O8) |
| Al | ⓘ Albite var. Anorthoclase | (Na,K)AlSi3O8 |
| Al | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Al | ⓘ Kaersutite | NaCa2(Mg3AlTi4+)(Si6Al2)O22O2 |
| Al | ⓘ Anorthite var. Labradorite | (Ca,Na)[Al(Al,Si)Si2O8] |
| Al | ⓘ Leucite | K(AlSi2O6) |
| Al | ⓘ Nepheline | Na3K(Al4Si4O16) |
| Al | ⓘ Nosean | Na8(Al6Si6O24)(SO4) · H2O |
| Al | ⓘ Albite var. Oligoclase | (Na,Ca)[Al(Si,Al)Si2O8] |
| Al | ⓘ Sanidine | K(AlSi3O8) |
| Al | ⓘ Sodalite | Na4(Si3Al3)O12Cl |
| Al | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Al | ⓘ Biotite var. Titanium-bearing Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Al | ⓘ Augite var. Titanium-bearing Augite | (Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6 |
| Si | Silicon | |
| Si | ⓘ Aegirine-augite | (NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6 |
| Si | ⓘ Aenigmatite | Na4[Fe102+Ti2]O4[Si12O36] |
| Si | ⓘ Albite | Na(AlSi3O8) |
| Si | ⓘ Analcime | Na(AlSi2O6) · H2O |
| Si | ⓘ Albite var. Andesine | (Na,Ca)[Al(Si,Al)Si2O8] |
| Si | ⓘ Anorthite | Ca(Al2Si2O8) |
| Si | ⓘ Albite var. Anorthoclase | (Na,K)AlSi3O8 |
| Si | ⓘ Arfvedsonite | NaNa2(Fe42+Fe3+)Si8O22(OH)2 |
| Si | ⓘ Astrophyllite | K2NaFe72+Ti2[Si4O12]2O2(OH)4F |
| Si | ⓘ Augite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| Si | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Si | ⓘ Catapleiite | Na2Zr(Si3O9) · 2H2O |
| Si | ⓘ Diopside | CaMgSi2O6 |
| Si | ⓘ Eudialyte | Na15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2 |
| Si | ⓘ Kaersutite | NaCa2(Mg3AlTi4+)(Si6Al2)O22O2 |
| Si | ⓘ Anorthite var. Labradorite | (Ca,Na)[Al(Al,Si)Si2O8] |
| Si | ⓘ Låvenite | Na2Ca2Mn2Zr2(Si2O7)2O2F2 |
| Si | ⓘ Leucite | K(AlSi2O6) |
| Si | ⓘ Mosandrite-(Ce) | (Ca3REE)[(H2O)2Ca0.5◻0.5]Ti(Si2O7)2(OH)2(H2O)2 |
| Si | ⓘ Nepheline | Na3K(Al4Si4O16) |
| Si | ⓘ Nosean | Na8(Al6Si6O24)(SO4) · H2O |
| Si | ⓘ Albite var. Oligoclase | (Na,Ca)[Al(Si,Al)Si2O8] |
| Si | ⓘ Quartz | SiO2 |
| Si | ⓘ Riebeckite | ◻Na2(Fe32+Fe23+)Si8O22(OH)2 |
| Si | ⓘ Sanidine | K(AlSi3O8) |
| Si | ⓘ Sodalite | Na4(Si3Al3)O12Cl |
| Si | ⓘ Titanite | CaTi(SiO4)O |
| Si | ⓘ Zircon | Zr(SiO4) |
| Si | ⓘ Fayalite-Forsterite Series | |
| Si | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Si | ⓘ Pyroxene Group | ADSi2O6 |
| Si | ⓘ Diopside var. Salite | CaMgSi2O6 |
| Si | ⓘ Biotite var. Titanium-bearing Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Si | ⓘ Augite var. Titanium-bearing Augite | (Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6 |
| P | Phosphorus | |
| P | ⓘ Apatite | Ca5(PO4)3A |
| S | Sulfur | |
| S | ⓘ Nosean | Na8(Al6Si6O24)(SO4) · H2O |
| Cl | Chlorine | |
| Cl | ⓘ Eudialyte | Na15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2 |
| Cl | ⓘ Sodalite | Na4(Si3Al3)O12Cl |
| K | Potassium | |
| K | ⓘ Albite var. Anorthoclase | (Na,K)AlSi3O8 |
| K | ⓘ Astrophyllite | K2NaFe72+Ti2[Si4O12]2O2(OH)4F |
| K | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| K | ⓘ Leucite | K(AlSi2O6) |
| K | ⓘ Nepheline | Na3K(Al4Si4O16) |
| K | ⓘ Sanidine | K(AlSi3O8) |
| K | ⓘ Biotite var. Titanium-bearing Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Ca | Calcium | |
| Ca | ⓘ Aegirine-augite | (NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6 |
| Ca | ⓘ Albite var. Andesine | (Na,Ca)[Al(Si,Al)Si2O8] |
| Ca | ⓘ Anorthite | Ca(Al2Si2O8) |
| Ca | ⓘ Augite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| Ca | ⓘ Diopside | CaMgSi2O6 |
| Ca | ⓘ Eudialyte | Na15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2 |
| Ca | ⓘ Kaersutite | NaCa2(Mg3AlTi4+)(Si6Al2)O22O2 |
| Ca | ⓘ Anorthite var. Labradorite | (Ca,Na)[Al(Al,Si)Si2O8] |
| Ca | ⓘ Låvenite | Na2Ca2Mn2Zr2(Si2O7)2O2F2 |
| Ca | ⓘ Mosandrite-(Ce) | (Ca3REE)[(H2O)2Ca0.5◻0.5]Ti(Si2O7)2(OH)2(H2O)2 |
| Ca | ⓘ Albite var. Oligoclase | (Na,Ca)[Al(Si,Al)Si2O8] |
| Ca | ⓘ Titanite | CaTi(SiO4)O |
| Ca | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Ca | ⓘ Diopside var. Salite | CaMgSi2O6 |
| Ca | ⓘ Augite var. Titanium-bearing Augite | (Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6 |
| Ca | ⓘ Apatite | Ca5(PO4)3A |
| Ti | Titanium | |
| Ti | ⓘ Aenigmatite | Na4[Fe102+Ti2]O4[Si12O36] |
| Ti | ⓘ Astrophyllite | K2NaFe72+Ti2[Si4O12]2O2(OH)4F |
| Ti | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Ti | ⓘ Ilmenite | Fe2+TiO3 |
| Ti | ⓘ Kaersutite | NaCa2(Mg3AlTi4+)(Si6Al2)O22O2 |
| Ti | ⓘ Mosandrite-(Ce) | (Ca3REE)[(H2O)2Ca0.5◻0.5]Ti(Si2O7)2(OH)2(H2O)2 |
| Ti | ⓘ Titanite | CaTi(SiO4)O |
| Ti | ⓘ Magnetite var. Titanium-bearing Magnetite | Fe2+(Fe3+,Ti)2O4 |
| Ti | ⓘ Biotite var. Titanium-bearing Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Ti | ⓘ Augite var. Titanium-bearing Augite | (Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6 |
| Mn | Manganese | |
| Mn | ⓘ Låvenite | Na2Ca2Mn2Zr2(Si2O7)2O2F2 |
| Fe | Iron | |
| Fe | ⓘ Aegirine-augite | (NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6 |
| Fe | ⓘ Aenigmatite | Na4[Fe102+Ti2]O4[Si12O36] |
| Fe | ⓘ Arfvedsonite | NaNa2(Fe42+Fe3+)Si8O22(OH)2 |
| Fe | ⓘ Astrophyllite | K2NaFe72+Ti2[Si4O12]2O2(OH)4F |
| Fe | ⓘ Augite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| Fe | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Fe | ⓘ Eudialyte | Na15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2 |
| Fe | ⓘ Ilmenite | Fe2+TiO3 |
| Fe | ⓘ Magnetite | Fe2+Fe23+O4 |
| Fe | ⓘ Riebeckite | ◻Na2(Fe32+Fe23+)Si8O22(OH)2 |
| Fe | ⓘ Magnetite var. Titanium-bearing Magnetite | Fe2+(Fe3+,Ti)2O4 |
| Fe | ⓘ Fayalite-Forsterite Series | |
| Fe | ⓘ Biotite var. Titanium-bearing Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Fe | ⓘ Augite var. Titanium-bearing Augite | (Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6 |
| Zr | Zirconium | |
| Zr | ⓘ Catapleiite | Na2Zr(Si3O9) · 2H2O |
| Zr | ⓘ Eudialyte | Na15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2 |
| Zr | ⓘ Låvenite | Na2Ca2Mn2Zr2(Si2O7)2O2F2 |
| Zr | ⓘ Zircon | Zr(SiO4) |
Localities in this Region
- Auvergne-Rhône-Alpes
- Haute-Loire
- Le Puy-en-Velay
- Velay Volcanic Area
- Le Puy-en-Velay
- Haute-Loire
Other Regions, Features and Areas containing this locality
Eurasian PlateTectonic Plate
- Moldanubian BeltOrogenic Belt
EuropeContinent
France
- ⭔AuvergneRegion
- Massif CentralHighland Region
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References
Liotard, J. M., Briot, D., Boivin, P. (1988) Petrological and geochemical relationships between pyroxene megacrysts and associated alkali-basalts from Massif Central (France) Contributions to Mineralogy and Petrology, 98 (1) 81-90 doi:10.1007/bf00371912
Downes, H., Dupuy, C., Leyreloup, A.F. (1990) Crustal evolution of the Hercynian belt of Western Europe: Evidence from lower-crustal granulitic xenoliths (French Massif Central) Chemical Geology, 83 (3) 209-231 doi:10.1016/0009-2541(90)90281-b
Le Maitre, R. W. - Ed. (2002) Igneous Rocks - A Classification and Glossary of Terms (2nd ed.) Cambridge University Press. doi:10.1017/cbo9780511535581
CHAZOT, G. (2003) Mingling of Immiscible Dolomite Carbonatite and Trachyte in Tuffs from the Massif Central, France. Journal of Petrology, 44 (10) 1917-1936 doi:10.1093/petrology/egg064
Woodland, A. B., Jugo, P. J. (2007) A complex magmatic system beneath the Devès volcanic field, Massif Central, France: evidence from clinopyroxene megacrysts. Contributions to Mineralogy and Petrology, 153 (6) 719-731 doi:10.1007/s00410-006-0172-6
Paquette, Jean-Louis, Mergoil-Daniel, Juliette (2009) Origin and U–Pb dating of zircon-bearing nepheline syenite xenoliths preserved in basaltic tephra (Massif Central, France) Contributions to Mineralogy and Petrology, 158 (2) 245-262 doi:10.1007/s00410-009-0380-y