Sentence Examples with the word Purbeck beds

At Cambridge he obtained fossil shells from the Pleistocene deposit at Barnwell; in the Vale of Wardour he discovered in Purbeck Beds the isopod named by Milne-Edwards Archaeoniscus Brodiei; in Buckinghamshire he described the outliers of Purbeck and Portland Beds; and in the Vale of Gloucester the Lias and Oolites claimed his attention.

Such casts are not infrequent in the Keuper marls and sandstones, and in the Purbeck beds of England.