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Blu Lake (Bleu Lake), Gobba di Rollin-Rocca di Verra ridge - Blu Lake area, Champoluc, Ayas, Aosta Valley, Italyi
Regional Level Types
Blu Lake (Bleu Lake)Lake
Gobba di Rollin-Rocca di Verra ridge - Blu Lake areaMountain Area
ChampolucVillage
AyasCommune
Aosta ValleyAutonomous Region
Italy- not defined -

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PhotosMapsSearch
Latitude & Longitude (WGS84):
45° 53' 29'' North , 7° 44' 37'' East
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Champoluc-Champlan392 (2014)6.5km
Gressoney-La-Trinitè164 (2014)9.2km
Paquier995 (2014)9.2km
Valtournenche2,198 (2012)9.4km
Ayas1,268 (2012)9.5km
Mindat Locality ID:
189743
Long-form identifier:
mindat:1:2:189743:5
GUID (UUID V4):
4abe46a7-c334-4b2c-8866-c621ddc65aaa
Name(s) in local language(s):
Lago Blu (Lac Bleu), Catena della Gobba di Rollin-Rocca di Verra - area del Lago Blu (Chaîne de la Bosse de Rollin-Rocca di Verra - région du Lac Bleu), Champoluc, Ayas, Val d'Ayas, Valle d'Aosta (Vallée d'Aoste), Italia


Lago Blu (aka Lac Bleu, Lac de Verra, Lac Bleu de Verraz or Lac Bleu de Veraz) is a small moraine-dammed lake situated at 2215 m a.s.l. between the east slope of Rocca di Verra and the western lateral moraine of Grande Ghiacciaio di Verra (aka Ghiacciaio Grande di Verra, Ghiacciaio di Verra Grande, Grand Glacier de Verra, Grand Glacier de Verraz, or Grand Glacier de Véraz). It formed in the second half of the 18th century, when the tongue of the glacier advanced considerably causing the first damming phase of the lake (The glacier front reached the maximum expansion in the period 1819-21 near the bridge over the Verra stream, at the north margin of Pian di Verra Inferiore).

Minerals are found in the rock debris (mainly consisting of serpentinites and subordinate rodingites) forming the screes at the foot of Rocca di Verra and the large western lateral moraine of Grande Ghiacciaio di Verra. In the lake area, rocks of the Monte Rosa nappe (metagranites, gneiss, schists) carried by the glacier from the eastern part of the Verra glacial cirque are occasionally found.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


10 valid minerals.

Detailed Mineral List:

Chondrodite
Formula: Mg5(SiO4)2F2
Clinohumite
Formula: Mg9(SiO4)4F2
Clinozoisite
Formula: (CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Diopside
Formula: CaMgSi2O6
Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Grossular
Formula: Ca3Al2(SiO4)3
Hydroxylclinohumite var. Titanclinohumite
Formula: (Mg,Ti)9(SiO4)4(OH,F)2
Magnetite
Formula: Fe2+Fe3+2O4
Perovskite
Formula: CaTiO3
Titanite
Formula: CaTi(SiO4)O
'Tourmaline'
Formula: AD3G6 (T6O18)(BO3)3X3Z
Description: In rocks of the Monte Rosa nappe (metagranites, gneiss, schists) carried by the glacier from the eastern part of the Verra glacial cirque.
Vesuvianite
Formula: Ca19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9

Gallery:

Ca19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9 Vesuvianite

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Magnetite4.BB.05Fe2+Fe3+2O4
Perovskite4.CC.30CaTiO3
Group 9 - Silicates
Grossular9.AD.25Ca3Al2(SiO4)3
Chondrodite9.AF.45Mg5(SiO4)2F2
Clinohumite9.AF.55Mg9(SiO4)4F2
Hydroxylclinohumite
var. Titanclinohumite
9.AF.55(Mg,Ti)9(SiO4)4(OH,F)2
Titanite9.AG.15CaTi(SiO4)O
Clinozoisite9.BG.05a(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Epidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Vesuvianite9.BG.35Ca19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
Diopside9.DA.15CaMgSi2O6
Unclassified
'Tourmaline'-AD3G6 (T6O18)(BO3)3X3Z

List of minerals for each chemical element

HHydrogen
H Clinozoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
H Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
H VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
H Hydroxylclinohumite var. Titanclinohumite(Mg,Ti)9(SiO4)4(OH,F)2
BBoron
B TourmalineAD3G6 (T6O18)(BO3)3X3Z
OOxygen
O ChondroditeMg5(SiO4)2F2
O ClinohumiteMg9(SiO4)4F2
O Clinozoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
O DiopsideCaMgSi2O6
O Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
O GrossularCa3Al2(SiO4)3
O MagnetiteFe2+Fe23+O4
O PerovskiteCaTiO3
O TitaniteCaTi(SiO4)O
O TourmalineAD3G6 (T6O18)(BO3)3X3Z
O VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
O Hydroxylclinohumite var. Titanclinohumite(Mg,Ti)9(SiO4)4(OH,F)2
FFluorine
F ChondroditeMg5(SiO4)2F2
F ClinohumiteMg9(SiO4)4F2
F Hydroxylclinohumite var. Titanclinohumite(Mg,Ti)9(SiO4)4(OH,F)2
MgMagnesium
Mg ChondroditeMg5(SiO4)2F2
Mg ClinohumiteMg9(SiO4)4F2
Mg DiopsideCaMgSi2O6
Mg VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
Mg Hydroxylclinohumite var. Titanclinohumite(Mg,Ti)9(SiO4)4(OH,F)2
AlAluminium
Al Clinozoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Al Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Al GrossularCa3Al2(SiO4)3
Al VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
SiSilicon
Si ChondroditeMg5(SiO4)2F2
Si ClinohumiteMg9(SiO4)4F2
Si Clinozoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Si DiopsideCaMgSi2O6
Si Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Si GrossularCa3Al2(SiO4)3
Si TitaniteCaTi(SiO4)O
Si VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
Si Hydroxylclinohumite var. Titanclinohumite(Mg,Ti)9(SiO4)4(OH,F)2
CaCalcium
Ca Clinozoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Ca DiopsideCaMgSi2O6
Ca Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Ca GrossularCa3Al2(SiO4)3
Ca PerovskiteCaTiO3
Ca TitaniteCaTi(SiO4)O
Ca VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
TiTitanium
Ti PerovskiteCaTiO3
Ti TitaniteCaTi(SiO4)O
Ti Hydroxylclinohumite var. Titanclinohumite(Mg,Ti)9(SiO4)4(OH,F)2
FeIron
Fe Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Fe MagnetiteFe2+Fe23+O4
Fe VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9

Other Regions, Features and Areas containing this locality

Eurasian PlateTectonic Plate
EuropeContinent
Italy

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References

 
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