Søndre Femund. Beskrivelse til det geologiske rektangelkart.
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This map covers the area between the Swedish border to the east, the foot of the mountains Rendalssølen and Gloføken to the west. The predominant part of the surface is covered up by glacial drift of great thickness and protruding rocks are rather sparingly represented. The formations occurring are the same as those of the adjoining map Northern Femund. Oldest is the series of eruptive rocks, here called Archæan rocks, then follows the sparagmite formation and a rather thin limestone and schist formation, partly with orthoceras limestone in which badly preserved fossils have been found. This formation has been mapped as phyllite formation. Between these apparently autochthone layers are found displaced parts of Archæan rocks as well as layers from the oldest parts of the sparagmite formation. Near the southern frame of the map can be seen a small patch coloured as Archæan rock. This is the northernmost outcrop of the Trysil granite, and the locality is the only one, where autochthone Archæan rock is known to protrude within the area of the map.