(Sandåen, Stulen, Skien, Telemark, Norge)
Several small prospects and veins in the area. The small river Sandåen follow the fault between precambrian basement, consisting of granitic-gneiss and granitic-pegmatites and the Oslo-graben, consisting of cambrian-silurian sediments. This fault is going in NW-SE direction, with basement as foot-wall and Oslo-graben as hanging-wall. The quartz-fluorite veins are all related to the fault.
Ref:
Larsen, A.O. (1993): "Gruver og skjerp i Skien" ("Mines and prospects in Skien"), pp 50-52.
Mineral list contains entries from the region specified including sub-localitiesMineral List:10 entries listed. 5 valid minerals.
Localities in this Region:
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