The BGS Lexicon of Named Rock Units — Result Details

Pityoulish Formation

Computer Code: PITY Preferred Map Code: P
Status Code: Pending Upgrade
Age range: Neoproterozoic Era (AZ) — Neoproterozoic Era (AZ)
Lithological Description: Interbanded psammite and semipelite with distinctive bands of siliceous psammite and quartzite.
Definition of Lower Boundary: Not exposed - considered to rest with apparent conformity on Dava succession rocks.
Definition of Upper Boundary: Not exposed but presumed to be transitional up into Coylumbridge Formation.
Thickness: Unknown.
Geographical Limits: Central Highlands of Scotland [sheets 74W, 74E, 75W], in a mainly east-west zone [ca. 2 - 3 km wide] through Aviemore.
Parent Unit: Not Applicable (-)
Previous Name(s): none recorded or not applicable
Alternative Name(s): none recorded or not applicable
Stratotypes:
Reference Section  Hill of Craigellachie, 2 km SW of Aviemore, summit area. 
Reference Section  Hills of Loch Pityoulish and Creag Mheadhonach. 
Reference(s):
Highton, A J, 1999. Solid geology of the Aviemore district, Memoir for 1:50000 geological sheet 74E [Scotland]. London: The Stationery Office. 97pp. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
S074