Nyker Group | |
---|---|
Stratigraphic range: Latest Jurassic-Early Cretaceous ~ | |
Type | Geological unit |
Sub-units | Rabekke, Robbedale & Jydegaard Formations |
Underlies | Arnager Greensand Formation |
Overlies | Bagå Formation |
Lithology | |
Primary | Claystone, sandstone |
Location | |
Region | Bornholm |
Country | Denmark |
The Nyker Group is a group of geological formations from the Early Cretaceous, about 146 to 140 million years ago. It is on the island of Bornholm, Denmark. It includes the Rabekke, Robbedale and Jydegaard Formations.[1]