The Aber Mawr Formation is a geological formation in Wales. It preserves fossils dating back to the Arenig Series of the Ordovician period.[1]

Aber Mawr Formation
Stratigraphic range: Arenig
TypeGeological formation
UnderliesPorth Lauog Formation
Thickness>215 m (705 ft)
Lithology
PrimaryMudstone
OtherTuff, debrite
Location
CountryWales
ExtentRamsey Island
Type section
Named forAber Mawr Bay, Ramsey Island

See also edit

References edit

  1. ^ British Geological Survey. "Aber Mawr Formation". BGS Lexicon of Named Rock Units. Retrieved 3 November 2018.

External links edit