Fen Iron Mines, Fen Complex, Nome, Telemark, Norway

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Latitude & Longitude (WGS84):	59° 16' 33'' North , 9° 18' 17'' East
Latitude & Longitude (decimal):	59.27585,9.30496
Other regions containing this locality:	Scandinavia
Köppen climate type:	Dfb : Warm-summer humid continental climate
Name(s) in local language(s):	Fen jerngruver (Fæhn jerngruber; Gruvåsen; Rauhaug; Roughaug), Fensfeltet, Nome kommune, Telemark fylke, Norge

Iron ores associated with the ferrocarbonatites were worked in the eastern part of the Fen Complex between 1657 to 1927. A large number of iron mines, located in the Gruvåsen area near Ulefoss is worked in a carbonatite rock called rødberg ("red rock").

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.

ⓘ Iron

Mineral List

Mineral list contains entries from the region specified including sub-localities

12 valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

Rock list contains entries from the region specified including sub-localities

Select Rock List Type

Alphabetical List Tree Diagram

ⓘ Ferrocarbonatite

ⓘ 'Rødberg'

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: 3151395	Proterozoic II granite Age: Mesoproterozoic (1000 - 1600 Ma) Lithology: Major:{granite}, Minor{monzonite,meta-granite,meta-monzonite} 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

Localities in this Region

Norway

Telemark
- Nome
  - Fen Complex
    - Fen Iron Mines

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

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Schumacher, C.F (1801): Versuch eines Verzeichnisses der in den Dänisch-Nordischen Staaten sich findenden einfachen Mineralien. Kopenhagen, p.110 [on find of baryte]

Brøgger, W.C. (1921): Die Eruptivgesteine des Kristianiagebietes. IV. Das Fengebiet in Telemark, Norwegen. Norske Skrifter udgit av Videnskabsselskabet i Kristiania. I. Math. Nat. Klasse. No.9, p. 1-408

Andersen, T. (1983): Iron ores in the Fen central complex, Telemark (S.Norway): Petrography, chemical evolution and conditions of equilibrium. Norsk Geologisk Tidsskrift. 63, 73-82

Berg, B. I. & Nordrum, F. S. (1985): Bergverk i Telemark. Del 1: Malmgruver. Telemark Historie. Tidsskrift for Telemark Historielag. 6: 16-35 (p.25)

Andersen, T. (1986): Compositional variation of some rare earth minerals from the Fen complex (Telemark, SE Norway): implications for the mobility of rare earths in a carbonatite system. Mineralogical Magazine. 50: 503-509

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