The BGS Lexicon of Named Rock Units — Result Details

Elrick Psammite And Semipelite Formation

Computer Code: ELRK Preferred Map Code: EL
Status Code: Full
Age range: Neoproterozoic Era (AZ) — Neoproterozoic Era (AZ)
Lithological Description: Psammite and micaceous psammite interlayered with garnetiferous semipelite.
Definition of Lower Boundary: Poorly constrained, possibly unconformable, on Dava Succession semipelites and psammites.
Definition of Upper Boundary: Transitional up into turbiditic psammites of the Loch Laggan Psammite Formation.
Thickness: 1 to 2km.
Geographical Limits: Central Highlands of Scotland, Upper Strath Dearn.
Parent Unit: Corrieyairack Subgroup (GRCO)
Previous Name(s): none recorded or not applicable
Alternative Name(s): none recorded or not applicable
Type Section  1.2 km long section in Allt a' Mhuillin, SE of Coignascallan [Strath Dearn - River Findhorn]. 
none recorded or not applicable
1:50K maps on which the lithostratigraphical unit is found, and map code used: