Gneisses with cornerupine-bearing layers and Kornerupine-free layers.
The kornerupine-bearing layers contain albite, cordierite, ilmenite, quartz, tourmaline and zircon.
Refs:
- Hulzebos-Sijen N.M.P.E., Visser, D., Maarschalkerweerd, M.H. & Maijer, C. (1990): Two new kornerupine localities in the Bamble Sector, south Norway. Abstract 19th Nordic Geological Winter Meeting, Geonytt, 17, 58.
- Nijland, T.G., Zwaan, J.C & Touret, L. (1998): Topograpical mineralogy of the Bamble sector, south Norway. Scripta Geologica 118, 46 pp
