Appleby Group

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]

Appleby Group
Stratigraphic range:
TypeGroup
Sub-unitsBrockram
UnderliesCumbrian Coast Group and Roxby Formation
Overliesmid-Carboniferous unconformity
Thicknessvariable
Lithology
Primarysandstone
Othermudstone, breccia
Location
Regionnorthwest England
Type section
Named forAppleby-in-Westmorland

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

  1. http://www.bgs.ac.uk/Lexicon/lexicon.cfm?pub=APY BGS Lexicon of named rock units: Appleby Gp
  2. British Geological Survey 1:625,000 scale geological map Bedrock geology: UK South (5th edn) BGS, Keyworth, Notts
  3. "BGS Lexicon of Named Rock Units". British Geological Survey. Retrieved 19 January 2019.


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