Road cuts Fylkesvei 23 at Midtmoen, between Maura and Roa. Miarolitic cavities in "Nordmarkite".
Ref.:
- Kvamsdal, L.O. (1993): Noen mineraler fra nordmarkitten melom Roa og Maura. STEIN 20 (1), 30-45
- Kvamsdal, L.O. (1998): Mineralene fra Nordmarkitt og Grefsensyenitt i Oslofeltet. AS Merkur-Trykk, Oslo (in Norwegian).
- Nuten, S. [pseudonym for Wiik, G.H): Nytt frå "Midtmoen". STEIN 20 (4), 227
Mineral List:45 entries listed. 33 valid minerals.
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