Coalbrookdale Formation
Silurian (Sheinwoodian-Homerian)
PERIOD |
GROUP |
FORMATION |
Silurian |
Wenlock |
Coalbrookdale |
Lithology
Compact, well-bedded, olive grey to dark blue-grey silty mudstones with some calcareous siltstones, nodular calcareous beds and bentonites.
Upper Boundary
Transitional, but in practice placed at base of lowest, regularly bedded limestone of the Much Wenlock Limestone.
Lower Boundary
Transitional with the underlying Woolhope Limestone in the Woolhope-Malverns area; base placed immediately above the highest nodular horizon of the Woolhope Limestone.
Representative Sites
Taynton Goldmine
Dick Whittington Farm Park (Car Park)
Information on lithology and boundaries taken from the British Geological Survey Lexicon of Named Rock Units
and BGS Memoirs.
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