Blue Lias is a sequence of layers of limestones and shale dating from the Jurassic period (some 195 million years ago). It is a prevalent feature of the cliffs around Lyme Regis and Charmouth, Dorset, as well as Somerset, particularly around Glastonbury and the Polden Hills. The rock is rich in Jurassic-era fossil remains; its blue-grey colour provided by its iron content.
Related Building Ornaments, Masonry products from this supplier