Selborne Group
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| Selborne Group | |
|---|---|
| Stratigraphic range: Albian-Cenomanian | |
| 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).[1][2]
See also
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References
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