| That part of the cliffs which consist of lias, the oolite series, and chalk, decays slowly. |
| This fossil was first discovered in the lias strata of the Dorsetshire coast. |
| Those from the lias are mostly small, about eight to ten feet in length. |
| Jack is as good a bit of English Metal as you could pick up from the lias to the granite. |
| They came from the lias cliffs, undermined by the encroaching sea. |
| Named after the local blue lias rock, each walk is clearly marked with distinctive blue ammonite fossil discs. |
