Blue Lias
| Use attributes for filter ! | |
| Regions | Europe |
|---|---|
| Primary | Limestone |
| Extent | South West England |
| Wales | |
| Other | Mudstone |
| Underlies | Charmouth Mudstone Formation |
| Overlies | Lilstock Formation |
| Date of Reg. | |
| Date of Upd. | |
| ID | 1987363 |
About Blue Lias
The Blue Lias is a geologic formation in southern, eastern and western England and parts of South Wales, part of the Lias Group. The Blue Lias consists of a sequence of limestone and shale layers, laid down in latest Triassic and early Jurassic times, between 195 and 200 million years ago.
