TopazBirkeland 3 Feldspar Quarry, Birkeland, Iveland, Aust-Agder, Norway
Photo: Olav Revheim Tunnelen; Tunnelgruva
A feldspar quary in a granite pegmatite dyke on the northern slope iof the hill north of the Birkeland farm.
The pegmatite was intersected by a small younger cleavelandite-quartz dike.
Bjørlykke locality nr 103.
References
- 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. & 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
Mineral List
16 entries listed. 11 valid minerals.
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