Pwll Du Rock Texture & Pattern 1 – Detail of Carboniferous Limestone at the west end of Pwll Du Bay on the Gower peninsula in South Wales, showing calcite veins and brachiopod fossils.
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Pwll Du Rock Texture & Pattern 1 – Detail of Carboniferous Limestone at the west end of Pwll Du Bay on the Gower peninsula in South Wales, showing calcite veins and brachiopod fossils.