'Purbeck beds' definitions:
Definition of 'Purbeck beds'
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Purbeck beds \Pur"beck beds`\ [So called from the Isle of
Purbeck in England.] (Geol.)
The strata of the Purbeck stone, or Purbeck limestone,
belonging to the Oolitic group. See the Chart of Geology.
[1913 Webster]
