• Geology and structure of Gjerby, Nordland. 

      Lisle, Richard J. (NGU (370), Journal article, 1981)
      The island of Gjerøy is made up of acid gneisses with subordinate mixed gneisses which are tightly interfolded with banded gneisses and associated metasediments. The early tight folds are refolded to produce a large-scale ...
    • The precambrian metamorphic rocks around the lake Vegår (Aust-Agder, southern Norway). 

      Touret, Jacques (NGU (257), Journal article, 1968)
      An area about 2000 km between the Skagerak coast (Tvedestrand - Risør) and the Southern part of the Telemark province (Tjønefoss - Neslandvatn) has been investigated and is considered to be a genetically homogenous migmatitic ...