Assertion: coastal cliff | /r/HasProperty | formed
Facets:
value: from the lower devonian sandstones
type: LOCATION
Source sentences:
text: The coastal cliffs are formed from the Lower Devonian sandstones ascribed to the Yesnaby Sandstone Group - a set of geological formations restricted to the Yesnaby area, and to the overlying beds of the Lower Stromness Flagstones.