Appleby Group
| Appleby Group | |
|---|---|
| Stratigraphic range: | |
| Type | Group |
| Sub-units | Brockram |
| Underlies | Cumbrian Coast Group and Roxby Formation |
| Overlies | mid-Carboniferous unconformity |
| Thickness | variable |
| Lithology | |
| Primary | sandstone |
| Other | mudstone, breccia |
| Location | |
| Region | northwest England |
| Type section | |
| Named for | Appleby-in-Westmorland |
The Appleby Group is a lithostratigraphical term referring to the succession of Permian Period aeolian and fluviatile rock strata which occur in northwest England and beneath the Irish Sea in the United Kingdom.[1]
The Appleby Group unconformably overlies a variety of older rock strata (Carboniferous). It is succeeded (overlain) by the Cumbrian Coast Group[2] Its lowermost sub-unit is the Brockram, a breccia which sits unconformably on a range of older strata.[3]
References
[edit]- ^ http://www.bgs.ac.uk/Lexicon/lexicon.cfm?pub=APY BGS Lexicon of named rock units: Appleby Gp
- ^ British Geological Survey 1:625,000 scale geological map Bedrock geology: UK South (5th edn) BGS, Keyworth, Notts
- ^ "BGS Lexicon of Named Rock Units". British Geological Survey. Retrieved 19 January 2019.
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