Subdivision of the Jotun Nappe Complex between Aurlandsfjorden and Nærøyfjorden, South Norway.
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In the area between Aurlandsfjorden and Nærøyfjorden the Jotun Nappe Complex can be subdivided into a lower thrust unit of mainly gneisses with mangerites, jotunites and minor supracrustals (the Flåm unit), and an upper unit mainly gabbroic to anorthostic rocks (the Stiganosi unit). The basal thrust of the Nappe Complex and the contact between the two internal units are blastomylonitic and characterized by retrogression of the original granulite-facies assemblages. Extensions of investigations into a larger part of the \"Faltungsgraben\" indicates that the tectonic subdivision of the Jotun Nappe Complex into a lower and an upper part has regional significance.