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Freschluakopf, Rells valley, Vandans, Montafon, Vorarlberg, Austria

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Name(s) in local language(s):Freschluakopf, Rellstal, Vandans, Montafon, Vorarlberg, Österreich
Latitude & Longitude (WGS84): 47° 3' 29'' North , 9° 47' 10'' East
Latitude & Longitude (decimal): 47.05828,9.78620
GeoHash:G#: u0qgwwwn6
Köppen climate type:Cfb : Temperate oceanic climate

Supposed erythrite locality (Polz, 1989) below the summit of the Freschluakopf at about 1850 m asl.
It was questioned by Niedermayr & Gabriel (2004) who suggested that there might have been a (deliberate?) confusion with the small mine on the Vilifau Alp.
Careful investigation of the area has not revealed a trace of any cobalt mineralisation, only a speck of malachite was found in Alpine sandstone (U. Kolitsch and J. Gröbner, August 2008).

Regions containing this locality

The Alps, Europe

Mountain Range - 2,242 mineral species & varietal names listed

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List

3 valid minerals.

Detailed Mineral List:

Erythrite ?
Formula: Co3(AsO4)2 · 8H2O
Description: Questionable - see comment in locality page.
Reference: Polz, A. (1989): Mineralien aus Vorarlberg. Vorarlberger Verl.-Anst., Dornbirn, 80 S.
Formula: Cu2(CO3)(OH)2
Reference: Uwe Kolitsch field observation
Formula: SiO2
Reference: Uwe Kolitsch field observation

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Group 5 - Nitrates and Carbonates
Group 8 - Phosphates, Arsenates and Vanadates
'Erythrite' ?8.CE.40Co3(AsO4)2 · 8H2O

List of minerals arranged by Dana 8th Edition classification

Erythrite ? · 8H2O
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si

List of minerals for each chemical element

H ErythriteCo3(AsO4)2 · 8H2O
H MalachiteCu2(CO3)(OH)2
C MalachiteCu2(CO3)(OH)2
O ErythriteCo3(AsO4)2 · 8H2O
O MalachiteCu2(CO3)(OH)2
O QuartzSiO2
Si QuartzSiO2
Co ErythriteCo3(AsO4)2 · 8H2O
Cu MalachiteCu2(CO3)(OH)2
As ErythriteCo3(AsO4)2 · 8H2O

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

145 - 201.3 Ma

ID: 3185222
Mesozoic sedimentary rocks

Age: Jurassic (145 - 201.3 Ma)

Lithology: Sedimentary rocks

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

201.3 - 251.902 Ma

ID: 3152853
Jura moutains, Penninic nappes, Austroalpine nappes, Southern Alpes

Age: Triassic (201.3 - 251.902 Ma)

Lithology: Major:{dolomite/dolostone}, Minor{limestone,evaporites,marl}

Reference: Asch, K. The 1:5M International Geological Map of Europe and Adjacent Areas: Development and Implementation of a GIS-enabled Concept. Geologisches Jahrbuch, SA 3. [147]

Middle Triassic
237 - 247.2 Ma

ID: 2352539
Biogene Sedimentgesteine und Evaporite

Age: Middle Triassic (237 - 247.2 Ma)

Lithology: Biogenic carbonate rocks and evaporite

Reference: Geological Institute. Geological Map of Switzerland 1:500,000. isbn: 3906723399. University of Bern. [49]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License


Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
- Polz, A. (1989): Mineralien aus Vorarlberg. Vorarlberger Verl.-Anst., Dornbirn, 80 S.
- Niedermayr, G. & Gabriel, W. (2004): Auf Mineraliensuche in Vorarlberg. Mineralien Welt 15 (6), 21-34.

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