Titanium deposits in Norwayareof three major types:igneous,metasomaticand metamorphic.The igneousdeposits ... -550,000 t. ilmenite, is6-7% of the total mine ... Norwegian University ofScience and Technology (NTNU), N-7034Trondheim, Norway. LeifRoger Sterseth, Sundgt. 101,N-5500Haugesund, Norway. Fig. 1. Simp lified …