Flesch lake REE-mineralization, Flesch lake, Binn, Goms, Valais, Switzerland i
Regional Level Types
Flesch lake REE-mineralization Mountain Area
Flesch lake Lake
Binn Municipality
Goms District
Valais Canton
Switzerland Country

Flesch lake REE-mineralization, Flesch lake, Binn Valley, Valais, Switzerland

This locality is one of the ~40 “genetically” sub-localities (*) (revealed and/or summarized in Cuchet and al. (2022)) of the giant alpine rare-earth mineralization - with its topographical extension of ~ 20x45 km, in Switzerland and Italy - situated into one precise level of gneiss of the Monte Leone nappe.

In this locality, the REE-mineralisation can be encountered in place above the Fleschsee lake, under the east ridge of Wannihorn until below the pass Halbelfjoch between Wannihorn and Fleschhorn.

Some fallen mineralized boulders have been occasionally found until the lake itself

(*) see also link to other localities:
https://www.mindat.org/loc-440882.html

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

8 valid minerals.

Detailed Mineral List:

ⓘ Allanite-(Ce)

Formula: (CaCe)(AlAlFe²⁺)O[Si₂O₇][SiO₄](OH)

References:

Cuchet, S., Crumbach, M., van der Burgt, A. (2022): Die SEE-Mineralisation der Monte Leone Decke (Teil 2): Neue Fundstellen. Schweizer Strahler, 56(4), 11-23 (in German and French).

ⓘ Cerianite-(Ce)

Formula: (Ce⁴⁺,Th)O₂

References:

Cuchet, S., Crumbach, M., van der Burgt, A. (2023): Die SEE-Mineralisation der Monte Leone Decke (Teil 3): Neue Mineralien für die Mineralisation (in German and French). Schweizer Strahler, 57(3), 8-15 (in German and French).

ⓘ Hematite

Formula: Fe₂O₃

References:

Cuchet, S., Crumbach, M., van der Burgt, A. (2014) Das Binntal enthüllt ein grosses Geheimnis. Schweizer Strahler: 48(2): 2-55 (in German and French).

ⓘ Magnetite

Formula: Fe²⁺Fe³⁺₂O₄

References:

Cuchet, S., Crumbach, M., van der Burgt, A. (2014) Das Binntal enthüllt ein grosses Geheimnis. Schweizer Strahler: 48(2): 2-55 (in German and French).

ⓘ Monazite-(Ce)

Formula: Ce(PO₄)

References:

Cuchet, S., Crumbach, M., van der Burgt, A. (2014) Das Binntal enthüllt ein grosses Geheimnis. Schweizer Strahler: 48(2): 2-55 (in German and French).

ⓘ Rutile

Formula: TiO₂

References:

Cuchet, S., Crumbach, M., van der Burgt, A. (2014) Das Binntal enthüllt ein grosses Geheimnis. Schweizer Strahler: 48(2): 2-55 (in German and French).

ⓘ Titanite

Formula: CaTi(SiO₄)O

References:

Cuchet, S., Crumbach, M., van der Burgt, A. (2014) Das Binntal enthüllt ein grosses Geheimnis. Schweizer Strahler: 48(2): 2-55 (in German and French).

ⓘ Xenotime-(Y)

Formula: Y(PO₄)

References:

Cuchet, S., Crumbach, M., van der Burgt, A. (2014) Das Binntal enthüllt ein grosses Geheimnis. Schweizer Strahler: 48(2): 2-55 (in German and French).

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘ	Magnetite	4.BB.05	Fe²⁺Fe³⁺₂O₄
ⓘ	Hematite	4.CB.05	Fe₂O₃
ⓘ	Rutile	4.DB.05	TiO₂
ⓘ	Cerianite-(Ce)	4.DL.05	(Ce⁴⁺,Th)O₂
Group 8 - Phosphates, Arsenates and Vanadates
ⓘ	Xenotime-(Y)	8.AD.35	Y(PO₄)
ⓘ	Monazite-(Ce)	8.AD.50	Ce(PO₄)
Group 9 - Silicates
ⓘ	Titanite	9.AG.15	CaTi(SiO₄)O
ⓘ	Allanite-(Ce)	9.BG.05b	(CaCe)(AlAlFe²⁺)O[Si₂O₇][SiO₄](OH)

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Allanite-(Ce)	(CaCe)(AlAlFe²⁺)O[Si₂O₇][SiO₄](OH)
O	Oxygen
O	ⓘ Allanite-(Ce)	(CaCe)(AlAlFe²⁺)O[Si₂O₇][SiO₄](OH)
O	ⓘ Cerianite-(Ce)	(Ce⁴⁺,Th)O₂
O	ⓘ Hematite	Fe₂O₃
O	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
O	ⓘ Monazite-(Ce)	Ce(PO₄)
O	ⓘ Rutile	TiO₂
O	ⓘ Titanite	CaTi(SiO₄)O
O	ⓘ Xenotime-(Y)	Y(PO₄)
Al	Aluminium
Al	ⓘ Allanite-(Ce)	(CaCe)(AlAlFe²⁺)O[Si₂O₇][SiO₄](OH)
Si	Silicon
Si	ⓘ Allanite-(Ce)	(CaCe)(AlAlFe²⁺)O[Si₂O₇][SiO₄](OH)
Si	ⓘ Titanite	CaTi(SiO₄)O
P	Phosphorus
P	ⓘ Monazite-(Ce)	Ce(PO₄)
P	ⓘ Xenotime-(Y)	Y(PO₄)
Ca	Calcium
Ca	ⓘ Allanite-(Ce)	(CaCe)(AlAlFe²⁺)O[Si₂O₇][SiO₄](OH)
Ca	ⓘ Titanite	CaTi(SiO₄)O
Ti	Titanium
Ti	ⓘ Rutile	TiO₂
Ti	ⓘ Titanite	CaTi(SiO₄)O
Fe	Iron
Fe	ⓘ Allanite-(Ce)	(CaCe)(AlAlFe²⁺)O[Si₂O₇][SiO₄](OH)
Fe	ⓘ Hematite	Fe₂O₃
Fe	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
Y	Yttrium
Y	ⓘ Xenotime-(Y)	Y(PO₄)
Ce	Cerium
Ce	ⓘ Allanite-(Ce)	(CaCe)(AlAlFe²⁺)O[Si₂O₇][SiO₄](OH)
Ce	ⓘ Cerianite-(Ce)	(Ce⁴⁺,Th)O₂
Ce	ⓘ Monazite-(Ce)	Ce(PO₄)
Th	Thorium
Th	ⓘ Cerianite-(Ce)	(Ce⁴⁺,Th)O₂

Other Regions, Features and Areas containing this locality

Eurasian PlateTectonic Plate

EuropeContinent

The AlpsMountain Range

Switzerland

Valais
- Binn ValleyValley
- Monte Leone Nappe REE-mineralizationPaleoplacer

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References

Cuchet, S., Crumbach, M., van der Burgt, A. (2014) Das Binntal enthüllt ein grosses Geheimnis. Schweizer Strahler: 48(2): 2-55 (in German and French).

Cuchet, S., Crumbach, M., van der Burgt, A. (2022): Die SEE-Mineralisation der Monte Leone Decke (Teil 2): Neue Fundstellen. Schweizer Strahler, 56(4), 11-23 (in German and French).

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