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Hørdalen Feldspar Quarry, Austre Moland, Arendal, Aust-Agder, Norway

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Name in Norwegian:Hørdalen feltspatbrudd, Austre Moland, Arendal, Aust-Agder, Norge
Latitude & Longitude (WGS84): 58° 32' 9'' North , 8° 50' 59'' East
Latitude & Longitude (decimal): 58.53608,8.84996
GeoHash:G#: u4qm12hm7
Locality type:Quarry
Köppen climate type:Dfb : Warm-summer humid continental climate


Small quarry described by Hellerdal(2013) to be located west of the bridge over the Kjærholen.

At the altitude map and aerial pictures the locality cannot be seen, and therefore the coordinates are given for the west side of the bridge.

The production of this quarry is said to have been minor, but both feldspar and quartz were taken out (Hellerdal 2013)

Coordinates © Kartverket - https://www.kartverket.no

Regions containing this locality

Scandinavia

Region - 2,033 mineral species & varietal names listed

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


1 valid mineral.

Detailed Mineral List:

'commodity:Feldspar'
Reference:  
'Feldspar Group'
Reference: Hellerdal, I. (2013) Ny E18 Arendal – Tvedestrand. Konsekvensutredning for kulturminner/kulturmiljøer, nyere tid. Detaljplan. Report Statens Vegvesen 2013. [p.38]
Quartz
Formula: SiO2
Reference: Hellerdal, I. (2013) Ny E18 Arendal – Tvedestrand. Konsekvensutredning for kulturminner/kulturmiljøer, nyere tid. Detaljplan. Report Statens Vegvesen 2013. [p.38]

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
'Quartz'4.DA.05SiO2
Unclassified Minerals, Rocks, etc.
'Feldspar Group'-

List of minerals arranged by Dana 8th Edition classification

Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Rocks, etc.
'Feldspar Group'-

List of minerals for each chemical element

OOxygen
O QuartzSiO2
SiSilicon
Si QuartzSiO2

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

Proterozoic
541 - 2500 Ma



ID: 3186372
Proterozoic crystalline metamorphic rocks

Age: Proterozoic (541 - 2500 Ma)

Lithology: Granitoid gneiss; orthogneiss/paragneiss

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]

Mesoproterozoic
1000 - 1600 Ma



ID: 3131169
Proterozoic II gneiss

Age: Mesoproterozoic (1000 - 1600 Ma)

Description: undifferentiated metamorphic

Lithology: Gneiss

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]

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

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Hellerdal, I. (2013) Ny E18 Arendal – Tvedestrand. Konsekvensutredning for kulturminner/kulturmiljøer, nyere tid. Detaljplan. Report Statens Vegvesen 2013. [p.38]

External Links



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