The BGS Lexicon of Named Rock Units — Result Details

Qui Ayre Sandstone Formation

Computer Code: QAS Preferred Map Code: QAS
Status Code: Pending Upgrade
Age range: Early Devonian Epoch (DL) — Early Devonian Epoch (DL)
Lithological Description: Lower unit of rusty-weathering, well-graded sandstone, overlain by pebbly bioturbated sandstone.
Definition of Lower Boundary: Faulted against Harra Ebb Formation.
Definition of Upper Boundary: Unconformably overlain by the Lower Stromness Flags Formation.
Thickness: 150 metres on Qui Ayre coastline, Mainland Orkney NY 220 153.
Geographical Limits: Orkney Islands.
Parent Unit: Yesnaby Sandstone Group (YES)
Previous Name(s): Yesnaby Sandstone Formation (-4281)
Alternative Name(s): none recorded or not applicable
Stratotypes:
none recorded or not applicable
Reference(s):
Mykura W, 1976 British Regional Geology: Orkney and Shetland (HMSO, Edinburgh).] 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
S119