Pwll Du Rock Texture & Pattern 7 – Detail of Carboniferous Limestone at Pwll Du Bay on the Gower Peninsula in South Wales, showing calcite veins and brachiopod fossils.
https://natureinfocus.blog
Pwll Du Rock Texture & Pattern 7 – Detail of Carboniferous Limestone at Pwll Du Bay on the Gower Peninsula in South Wales, showing calcite veins and brachiopod fossils.