|Latitude & Longitude (WGS84):||58° 32' 2'' North , 7° 55' 30'' East|
|Latitude & Longitude (decimal):||58.53391,7.92518|
|Köppen climate type:||Dfc : Subarctic climate|
|Name(s) in local language(s):||Birkeland 2 (Tunnelen; Tunnelgruva), Birkeland, Iveland kommune, Aust-Agder fylke, Norge|
Bjørlykke locality nr 102.
A granite pegmatite located 200m N of Birkeland 1 (Bjørlykke 1934).
Around 1930 a small test pit could be observed here. The pegmatite was especially rich in topaz.
Commodity ListThis is a list of exploitable or exploited mineral commodities recorded at this locality.
22 valid minerals.
Rock Types Recorded
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Bjørlykke, H. (1934) The Mineral Paragenesis and Classification of the Granite Pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift 14, 211-311.
Neumann, H. and Bergstøl, S. (1963) Contributions to the mineralogy of Norway No. 17. Cerianite from cleavelandite pegmatite dykes in Iveland. Norsk Geologisk Tidsskrift 43, 247-255.
Frigstad, O.F. (1968) En undersøkelse av cleavelandittsonerte pegmatittganger i Iveland-Evje, Nedre Setesdal. Hovedfagsoppgave (Thesis), University of Oslo.