Heather Formation | |
---|---|
Stratigraphic range: Bathonian–Oxfordian | |
Type | Formation |
Underlies | Kimmeridge Clay Formation |
Overlies | Pentland Formation, Brent Group |
Thickness | up to 700 m (Central North Sea) |
Lithology | |
Primary | Claystone |
Other | Siltstone |
Location | |
Region | North Sea |
Country | Norway, United Kingdom |
The Heather Formation is a geological formation occurs in the North Sea, offshore the United Kingdom and Norway. It preserves fossils from the Bathonian to Oxfordian stages of the Middle to Late Jurassic period and was deposited in an open marine depositional environment. [1] [2]