Polurrian Rocks 10 – Red stripes or strata in layered Devonian Period meta-sedimentary slate rock on the north side of the Lizard Boundary Fault at Polurrian Cove in Cornwall.
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Polurrian Rocks 10 – Red stripes or strata in layered Devonian Period meta-sedimentary slate rock on the north side of the Lizard Boundary Fault at Polurrian Cove in Cornwall.