Note 88 — Chapter X · THE CAMBRIAN VOLCANOES OF SOUTH WALES
Reading edition
These are a portion of Dr. Hicks' "Caerfai group" in the Lower Cambrian series. They have yielded Lower Cambrian fossils.
Reading edition
These are a portion of Dr. Hicks' "Caerfai group" in the Lower Cambrian series. They have yielded Lower Cambrian fossils.