Trawden Limestone Group

Trawden Limestone Group
Stratigraphic range: Chadian-Brigantian sub-stages
Type Group
Unit of Carboniferous Limestone Supergroup
Underlies Bowland Shale Formation
Overlies Roddlesworth Formation
Thickness up to 1055m
Lithology
Primary limestone
Other mudstone, chert, dolostone
Location
Region northern England
Extent Lancashire, Yorkshire
Type section
Named for Trawden

The Trawden Limestone Group is a lithostratigraphical term referring to the succession of limestone rock strata which occur in parts of Lancashire and neighbouring Yorkshire, northern England in the United Kingdom laid down within the Chadian to Brigantian sub-Stages of the Carboniferous Period.[1]

The Trawden Limestone Group is preceded (underlain) by the Roddlesworth Formation. It is succeeded (overlain) by the Bowland Shale Formation [2]

References

  1. ↑ "Trawden Limestone Group". BGS Lexicon of Named Rock Units. British Geological Survey. Retrieved 6 August 2016.
  2. ↑ British Geological Survey 1:625,000 scale geological map Bedrock geology: UK South (5th edn) BGS, Keyworth, Notts

See also

Geology of Lancashire


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