Selborne Group | |
---|---|
Stratigraphic range: Albian-Cenomanian 113–94 Ma PreꞒ Ꞓ O S D C P T J K Pg N | |
Type | Group |
Sub-units | Gault Formation, Upper Greensand Formation |
Underlies | Chalk Group |
Overlies | Lower Greensand Group |
Thickness | up to 110 m in the Weald, but in marginal areas may be less than 5 m thick. |
Lithology | |
Primary | Glauconitic Sandstone, |
Other | Mudstone, Limestone & Marl |
Location | |
Region | England |
Country | United Kingdom |
The Selborne Group is a geologic group in England. It preserves fossils dating back to the Cretaceous period. It comprises the Gault Formation (informally/traditionally the Gault Clay or Blue Marl) and the overlying Upper Greensand Formation (earlier known as the Malm or Malm Rock).
See also
References
- "BGS Lexicon of Named Rock Units - Result Details".
- "BGS Lexicon of Named Rock Units - Result Details".
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.
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