Breithorn-Roccia Nera ridge (Breithorn-Schwarzfluh ridge; Breithorn ridge), Champoluc, Ayas, Aosta Valley, Italyi
| Regional Level Types | |
|---|---|
| Breithorn-Roccia Nera ridge (Breithorn-Schwarzfluh ridge; Breithorn ridge) | Ridge |
| Champoluc | - not defined - |
| Ayas | Commune |
| Aosta Valley | Autonomous Region |
| Italy | - not defined - |
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Latitude & Longitude (WGS84):
45° North , 7° East (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~10km
Locality type:
Köppen climate type:
Name(s) in local language(s):
Catena Breithorn-Roccia Nera (Catena del Breithorn; Chaîne du Breithorn et du Schwarzfluh; Chaîne du Breithorn; Breithorn-Schwarzfluh-Kamm; Breithornkamm), Champoluc, Ayas, Val d'Ayas, Valle d'Aosta (Vallée d'Aoste), Italia
The Breithorn-Roccia Nera/Schwarzfluh ridge, or more simply Breithorn ridge, is located on the border between Aosta Valley (Italy) and Valais (Switzerland) and consists of five peaks: Breithorn Occidentale (Breithorn Occidental)/Breithornwestgipfel (4165 m), Breithorn Centrale (Breithorn Central)/Breithornmittelgipfel (4160 m), Breithorn Orientale (Breithorn Oriental)/Breithornostgipfel (4139 m), Gemelli del Breithorn (Zwillinge or Jumeaux du Breithorn)/Breithornzwillinge (4106 m), Roccia Nera (Roche Noire)/Schwarzfluh (4075 m). Schwartzruken is an alternative German name for Schwarzfluh.
The Italian side of this ridge is competely made of magnetite-bearing antigorite serpentinite (ophiolitic Zermatt-Saas nappe) with lenses and veins rich in reddish titanclinohumite, diopside, and olivine (forsterite). Rodingite bodies are known near the summit of Roccia Nera/Schwarzfluh and in the Breithorn area.
Minerals reported from the Swiss side are listed separately (see http://www.mindat.org/loc-144452.html).
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ Antigorite Formula: Mg3(Si2O5)(OH)4 Reference: Dal Piaz, G.V. (1967) Le "granatiti" (rodingiti l.s.) nelle serpentine delle Alpi occidentali italiane. Memorie della Società Geologica Italiana, 6, 267-313. |
| ⓘ Clinochlore Formula: Mg5Al(AlSi3O10)(OH)8 Reference: Dal Piaz, G.V. (1967) Le "granatiti" (rodingiti l.s.) nelle serpentine delle Alpi occidentali italiane. Memorie della Società Geologica Italiana, 6, 267-313. |
| ⓘ Clinohumite Formula: Mg9(SiO4)4F2 Reference: Dal Piaz, G.V. (1967) Le "granatiti" (rodingiti l.s.) nelle serpentine delle Alpi occidentali italiane. Memorie della Società Geologica Italiana, 6, 267-313. |
| ⓘ Diopside Formula: CaMgSi2O6 Reference: Dal Piaz, G.V. (1967) Le "granatiti" (rodingiti l.s.) nelle serpentine delle Alpi occidentali italiane. Memorie della Società Geologica Italiana, 6, 267-313. |
| ⓘ Forsterite Formula: Mg2SiO4 Reference: Dal Piaz, G.V. (1967) Le "granatiti" (rodingiti l.s.) nelle serpentine delle Alpi occidentali italiane. Memorie della Società Geologica Italiana, 6, 267-313. |
| ⓘ Grossular Formula: Ca3Al2(SiO4)3 Reference: Dal Piaz, G.V. (1967) Le "granatiti" (rodingiti l.s.) nelle serpentine delle Alpi occidentali italiane. Memorie della Società Geologica Italiana, 6, 267-313; Piccoli, G.C., Maletto, G., Bosio, P., Lombardo, B. (2007) Minerali del Piemonte e della Valle d'Aosta. Associazione Amici del Museo "F. Eusebio" di Alba, Ed., Alba, 607 pp. |
| ⓘ Magnetite Formula: Fe2+Fe3+2O4 Reference: Dal Piaz, G.V. (1967) Le "granatiti" (rodingiti l.s.) nelle serpentine delle Alpi occidentali italiane. Memorie della Società Geologica Italiana, 6, 267-313. |
| ⓘ 'Titanclinohumite' Formula: Mg9(SiO4)4(F,OH)2 Reference: Dal Piaz, G.V. (1967) Le "granatiti" (rodingiti l.s.) nelle serpentine delle Alpi occidentali italiane. Memorie della Società Geologica Italiana, 6, 267-313. |
| ⓘ Vesuvianite Formula: Ca19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9 Reference: Dal Piaz, G.V. (1967) Le "granatiti" (rodingiti l.s.) nelle serpentine delle Alpi occidentali italiane. Memorie della Società Geologica Italiana, 6, 267-313. |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 4 - Oxides and Hydroxides | |||
|---|---|---|---|
| ⓘ | Magnetite | 4.BB.05 | Fe2+Fe3+2O4 |
| Group 9 - Silicates | |||
| ⓘ | Antigorite | 9.ED.15 | Mg3(Si2O5)(OH)4 |
| ⓘ | Clinochlore | 9.EC.55 | Mg5Al(AlSi3O10)(OH)8 |
| ⓘ | Clinohumite | 9.AF.55 | Mg9(SiO4)4F2 |
| ⓘ | Diopside | 9.DA.15 | CaMgSi2O6 |
| ⓘ | Forsterite | 9.AC.05 | Mg2SiO4 |
| ⓘ | Grossular | 9.AD.25 | Ca3Al2(SiO4)3 |
| ⓘ | Vesuvianite | 9.BG.35 | Ca19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9 |
| Unclassified Minerals, Rocks, etc. | |||
| ⓘ | 'Titanclinohumite' | - | Mg9(SiO4)4(F,OH)2 |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Antigorite | Mg3(Si2O5)(OH)4 |
| H | ⓘ Titanclinohumite | Mg9(SiO4)4(F,OH)2 |
| H | ⓘ Clinochlore | Mg5Al(AlSi3O10)(OH)8 |
| H | ⓘ Vesuvianite | Ca19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9 |
| O | Oxygen | |
| O | ⓘ Antigorite | Mg3(Si2O5)(OH)4 |
| O | ⓘ Diopside | CaMgSi2O6 |
| O | ⓘ Magnetite | Fe2+Fe23+O4 |
| O | ⓘ Forsterite | Mg2SiO4 |
| O | ⓘ Titanclinohumite | Mg9(SiO4)4(F,OH)2 |
| O | ⓘ Clinochlore | Mg5Al(AlSi3O10)(OH)8 |
| O | ⓘ Vesuvianite | Ca19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9 |
| O | ⓘ Grossular | Ca3Al2(SiO4)3 |
| O | ⓘ Clinohumite | Mg9(SiO4)4F2 |
| F | Fluorine | |
| F | ⓘ Titanclinohumite | Mg9(SiO4)4(F,OH)2 |
| F | ⓘ Clinohumite | Mg9(SiO4)4F2 |
| Mg | Magnesium | |
| Mg | ⓘ Antigorite | Mg3(Si2O5)(OH)4 |
| Mg | ⓘ Diopside | CaMgSi2O6 |
| Mg | ⓘ Forsterite | Mg2SiO4 |
| Mg | ⓘ Titanclinohumite | Mg9(SiO4)4(F,OH)2 |
| Mg | ⓘ Clinochlore | Mg5Al(AlSi3O10)(OH)8 |
| Mg | ⓘ Vesuvianite | Ca19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9 |
| Mg | ⓘ Clinohumite | Mg9(SiO4)4F2 |
| Al | Aluminium | |
| Al | ⓘ Clinochlore | Mg5Al(AlSi3O10)(OH)8 |
| Al | ⓘ Vesuvianite | Ca19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9 |
| Al | ⓘ Grossular | Ca3Al2(SiO4)3 |
| Si | Silicon | |
| Si | ⓘ Antigorite | Mg3(Si2O5)(OH)4 |
| Si | ⓘ Diopside | CaMgSi2O6 |
| Si | ⓘ Forsterite | Mg2SiO4 |
| Si | ⓘ Titanclinohumite | Mg9(SiO4)4(F,OH)2 |
| Si | ⓘ Clinochlore | Mg5Al(AlSi3O10)(OH)8 |
| Si | ⓘ Vesuvianite | Ca19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9 |
| Si | ⓘ Grossular | Ca3Al2(SiO4)3 |
| Si | ⓘ Clinohumite | Mg9(SiO4)4F2 |
| Ca | Calcium | |
| Ca | ⓘ Diopside | CaMgSi2O6 |
| Ca | ⓘ Vesuvianite | Ca19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9 |
| Ca | ⓘ Grossular | Ca3Al2(SiO4)3 |
| Fe | Iron | |
| Fe | ⓘ Magnetite | Fe2+Fe23+O4 |
| Fe | ⓘ Vesuvianite | Ca19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9 |
References
Sort by
Year (asc) Year (desc) Author (A-Z) Author (Z-A)Dal Piaz, G.V. (1967) Le "granatiti" (rodingiti l.s.) nelle serpentine delle Alpi occidentali italiane. Memorie della Società Geologica Italiana, 6, 267-313.
Piccoli, G.C., Maletto, G., Bosio, P., Lombardo, B. (2007) Minerali del Piemonte e della Valle d'Aosta. Associazione Amici del Museo "F. Eusebio" di Alba, Ed., Alba, 607 pp.
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Breithorn-Roccia Nera ridge, Champoluc, Ayas, Aosta Valley, Italy