Larvikite (monzonitic rock) outcrops.
Several outcrops in the area of Dammen in the southern and western parts of Lake Mykle, in the Southwestern part of the Oslo rift.
Refs.:
NGU Bulletin, 442, 2004, pp. 23-28.
Andersen, T. & Sørensen, H. (1993): Crystallization and metasomatism of nepheline syenite xenolites in quartz-bearing intrusive rocks in the permian Oslo rift, SE Norway. Norsk Geologisk Tidsskrift, 73, # 4, pp. 250-266.
Mineral List:32 entries listed. 24 valid minerals.
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