Type Formation | ||
Underlies In coastal exposures, transitional into overlying Mercia Mudstone. Overlies Budleigh Salterton Pebble Beds Thickness Coast and Exeter district: c.160m. Taunton district: 30 to 60m |
The Otter Sandstone Formation is an obselete geological unit in England, now referred to as the Helsby Sandstone Formation. It preserves fossils dated to the Triassic, Anisian period.
References
Otter Sandstone Formation Wikipedia(Text) CC BY-SA