Llanfawr Mudstones

Llanfawr Mudstones
Stratigraphic range: Ordovician
TypeFormation
Location
RegionWales
CountryUnited Kingdom

The Llanfawr Mudstones is a geologic formation in central Wales. It preserves fossils dating back to the Ordovician period. The Llanfawr Mudstone Formation is located near Llandrindod Wells.[1] Less than 500 metres in thickness, it separates the Trelowgoed Volcanic Formation from the Builth Volcanic Group.[2]

See also

References

  1. ^ "Llanfawr Mudstone Formation". British Geological Survey Lexicon of Named Rock Units. Retrieved 2 April 2025.
  2. ^ P. J. Brenchley; Peter Franklin Rawson, eds. (2006). The Geology of England and Wales. Geological Society. p. 57. ISBN 9781862392007.


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