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Les Perrères Dam, Valtournenche, Aosta Valley, Italyi
Regional Level Types
Les Perrères DamDam
ValtournencheCommune
Aosta ValleyAutonomous Region
ItalyCountry

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Key
Latitude & Longitude (WGS84):
45° North , 7° East (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~1km
Locality type:
Köppen climate type:
Name(s) in local language(s):
Diga di Les Perrères, Valtournanche, Valle di Valtournanche, Valle d'Aosta, Italia


Minerals are found in rodingite and in altered serpentinite.

Regions containing this locality

Eurasian PlateTectonic Plate
EuropeContinent
The Alps, EuropeMountain Range

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


8 valid minerals.

Detailed Mineral List:

Andradite
Formula: Ca3Fe3+2(SiO4)3
Reference: C.M. Gramaccioli (1975)-Minerali alpini e Prealpini-Edizioni Atlas Bergamo
Andradite var: Topazolite
Formula: Ca3Fe3+2(SiO4)3
Reference: C.M. Gramaccioli (1975)-Minerali alpini e Prealpini-Edizioni Atlas Bergamo
Clinochlore
Formula: Mg5Al(AlSi3O10)(OH)8
Reference: C.M. Gramaccioli (1975)-Minerali alpini e Prealpini-Edizioni Atlas Bergamo
Epidote
Formula: {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Reference: C.M. Gramaccioli (1975)-Minerali alpini e Prealpini-Edizioni Atlas Bergamo
Grossular
Formula: Ca3Al2(SiO4)3
Reference: C.M. Gramaccioli (1975)-Minerali alpini e Prealpini-Edizioni Atlas Bergamo
Grossular var: Hessonite
Formula: Ca3Al2(SiO4)3
Reference: C.M. Gramaccioli (1975)-Minerali alpini e Prealpini-Edizioni Atlas Bergamo
Magnetite
Formula: Fe2+Fe3+2O4
Reference: C.M. Gramaccioli (1975)-Minerali alpini e Prealpini-Edizioni Atlas Bergamo
Morenosite
Formula: NiSO4 · 7H2O
Reference: C.M. Gramaccioli (1975)-Minerali alpini e Prealpini-Edizioni Atlas Bergamo
Prehnite
Formula: Ca2Al2Si3O10(OH)2
Reference: Piccoli, G.C., Maletto, G., Bosio, P., Lombardo, B. (2007). Minerali del Piemonte e della Valle d'Aosta. Associazione Amici del Museo "F. Eusebio" Alba, Ed., Alba (Cuneo) 607 pp.
Retgersite
Formula: NiSO4 · 6H2O
Reference: Arliguie M collection

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Magnetite4.BB.05Fe2+Fe3+2O4
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Morenosite7.CB.40NiSO4 · 7H2O
Retgersite7.CB.30NiSO4 · 6H2O
Group 9 - Silicates
Andradite9.AD.25Ca3Fe3+2(SiO4)3
var: Topazolite9.AD.25Ca3Fe3+2(SiO4)3
Clinochlore9.EC.55Mg5Al(AlSi3O10)(OH)8
Epidote9.BG.05a{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Grossular9.AD.25Ca3Al2(SiO4)3
var: Hessonite9.AD.25Ca3Al2(SiO4)3
Prehnite9.DP.20Ca2Al2Si3O10(OH)2

List of minerals arranged by Dana 8th Edition classification

Group 7 - MULTIPLE OXIDES
AB2X4
Magnetite7.2.2.3Fe2+Fe3+2O4
Group 29 - HYDRATED ACID AND NORMAL SULFATES
AXO4·xH2O
Morenosite29.6.11.3NiSO4 · 7H2O
Retgersite29.6.9.1NiSO4 · 6H2O
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in [6] and >[6] coordination
Andradite51.4.3b.1Ca3Fe3+2(SiO4)3
Grossular51.4.3b.2Ca3Al2(SiO4)3
Group 58 - SOROSILICATES Insular, Mixed, Single, and Larger Tetrahedral Groups
Insular, Mixed, Single, and Larger Tetrahedral Groups with cations in [6] and higher coordination; single and double groups (n = 1, 2)
Epidote58.2.1a.7{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings interlayered 1:1, 2:1, and octahedra
Clinochlore71.4.1.4Mg5Al(AlSi3O10)(OH)8
Group 72 - PHYLLOSILICATES Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings
Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings with 4-membered rings
Prehnite72.1.3.1Ca2Al2Si3O10(OH)2
Unclassified Minerals, Mixtures, etc.
Andradite
var: Topazolite
-Ca3Fe3+2(SiO4)3
Grossular
var: Hessonite
-Ca3Al2(SiO4)3

List of minerals for each chemical element

HHydrogen
H RetgersiteNiSO4 · 6H2O
H MorenositeNiSO4 · 7H2O
H Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
H ClinochloreMg5Al(AlSi3O10)(OH)8
H PrehniteCa2Al2Si3O10(OH)2
OOxygen
O RetgersiteNiSO4 · 6H2O
O Andradite (var: Topazolite)Ca3Fe23+(SiO4)3
O MorenositeNiSO4 · 7H2O
O Grossular (var: Hessonite)Ca3Al2(SiO4)3
O MagnetiteFe2+Fe23+O4
O Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
O ClinochloreMg5Al(AlSi3O10)(OH)8
O PrehniteCa2Al2Si3O10(OH)2
O AndraditeCa3Fe23+(SiO4)3
O GrossularCa3Al2(SiO4)3
MgMagnesium
Mg ClinochloreMg5Al(AlSi3O10)(OH)8
AlAluminium
Al Grossular (var: Hessonite)Ca3Al2(SiO4)3
Al Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Al ClinochloreMg5Al(AlSi3O10)(OH)8
Al PrehniteCa2Al2Si3O10(OH)2
Al GrossularCa3Al2(SiO4)3
SiSilicon
Si Andradite (var: Topazolite)Ca3Fe23+(SiO4)3
Si Grossular (var: Hessonite)Ca3Al2(SiO4)3
Si Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Si ClinochloreMg5Al(AlSi3O10)(OH)8
Si PrehniteCa2Al2Si3O10(OH)2
Si AndraditeCa3Fe23+(SiO4)3
Si GrossularCa3Al2(SiO4)3
SSulfur
S RetgersiteNiSO4 · 6H2O
S MorenositeNiSO4 · 7H2O
CaCalcium
Ca Andradite (var: Topazolite)Ca3Fe23+(SiO4)3
Ca Grossular (var: Hessonite)Ca3Al2(SiO4)3
Ca Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Ca PrehniteCa2Al2Si3O10(OH)2
Ca AndraditeCa3Fe23+(SiO4)3
Ca GrossularCa3Al2(SiO4)3
FeIron
Fe Andradite (var: Topazolite)Ca3Fe23+(SiO4)3
Fe MagnetiteFe2+Fe23+O4
Fe Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Fe AndraditeCa3Fe23+(SiO4)3
NiNickel
Ni RetgersiteNiSO4 · 6H2O
Ni MorenositeNiSO4 · 7H2O

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Rigault, G. (1961): Ricerche sulla morenosite di Valtournanche (Valle d'Aosta). Period. mineral., 30, 81-109.
Dal Piaz, G. V. (1967): Le "granatiti" (rodingiti l.s.) nelle serpentine delle Alpi occidentali italiane. Mem. Soc. Geol. Ital., 6, 267-313.
Gramaccioli, C.M. (1975): Minerali alpini e Prealpini. Istituto Italiano Edizioni Atlas, Bergamo, 2 vol., 472 pp.
Piccoli, G.C., Maletto, G., Bosio, P., Lombardo, B. (2007): Minerali del Piemonte e della Valle d'Aosta. Associazione Amici del Museo "F. Eusebio", Ed., Alba, 607 pp.


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