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From Wikipedia, the free encyclopedia
The Otter Sandstone Formation is an obsolete geological unit in England, now referred to as the Helsby Sandstone Formation.[2] It preserves fossils dated to the Triassic, Anisian period.
Otter Sandstone Formation (OS)[1] | |
---|---|
Stratigraphic range: Anisian | |
![]() Exposures of Otter Sandstone at Ladram Bay, Devon, England | |
Type | Formation |
Unit of | Sherwood Sandstone Group (SSG)[1] |
Underlies | In coastal exposures, transitional into overlying Mercia Mudstone.[1] |
Overlies | Budleigh Salterton Pebble Beds[1] |
Thickness | Coast and Exeter district: ~160 m (520 ft) Taunton district: 30–60 m (98–197 ft) |
Location | |
Region | England |
Country | ![]() |
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