Dyrham Formation
Appearance
Dyrham Formation | |
---|---|
Stratigraphic range: | |
Type | Formation |
Unit of | Lias Group |
Sub-units | Eype Clay Member, Down Cliff Sand Member, Thorncombe Sand Member |
Underlies | Beacon Limestone Formation, Marlstone Rock Formation |
Overlies | Charmouth Mudstone Formation |
Area | Wessex Basin, Worcester Basin, East Midlands Shelf |
Thickness | ~125 m |
Lithology | |
Primary | mudstone, silt, sand |
Other | ferruginous limestone |
Location | |
Region | England |
Country | United Kingdom |
Type section | |
Named for | Dyrham |
The Dyrham Formation is a geologic formation in England. It preserves fossils dating back to the early part of the Jurassic period (Pliensbachian).[1]
See also
[edit]References
[edit]- ^ British Geological Survey. "Dyrham Formation". BGS Lexicon of Named Rock Units. Retrieved 8 March 2018.
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.