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The three Norwegian impact structures; Gardnos in Hallingdal, Ritland in Rogaland and Mjølnir in the Barents Sea, has been analysed in detail by our department through many years now in numerous projects.
NIR is a network primarily for young researches of meteorite impacts on the Earth and other planetary bodies.
Preliminary studies of the Ritland structure shows mineralogical evidences that prove it is an impact structure. This opens up for an in-depth investigation of the crater, studies which will offer new impact information of great international interest.
The Gardnos impact structure is situated in Hallingdal, between Nesbyen and Gol.