Norwegian: Røykengruppen
Age: Ordovician (Arenig) - Ordovician (latest)
Geographic distribution:
Type locality:
Type locality map coordinates (ED50):
Parish (number): 0-Ukjent kommune (0)
Reference: page:
Additional refs. / originally described in:
Sub units:
Huk Formation
Tøyen Formation
Bjørkåsholmen Formation
Alum Shale Formation
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© UNM/Geology, UiO, 2004