The BGS Lexicon of Named Rock Units — Result Details

Arnhash Till Member

Computer Code: ARTI Preferred Map Code: symb
Status Code: Full
Age range: Devensian Stage (QD) — Devensian Stage (QD)
Lithological Description: Reddish brown to brownish grey till or diamicton, deposited by local readvances of the Moray Ice Stream.
Definition of Lower Boundary: Overlies the Blackhills Sand and Gravel Formation unconformably.
Definition of Upper Boundary: The present land surface.
Thickness: 2m
Geographical Limits: From Elgin to Fraserburgh. Not yet used on any 50k maps.
Parent Unit: Essie Till Formation (ESTI)
Previous Name(s): none recorded or not applicable
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Section  Arnhash Quarry, near New Aberdour. 
Reference(s):
Merritt, J W, Auton, C A, Connell, E R, Hall, A M and Peacock, J D. 2003. The Cainozoic geology and landscape evolution of north-east Scotland. Memoir of the British Geological Survey, Sheets 66E, 67, 76E, 77, 86E, 87W, 87E, 95, 96W, 96E and 97 (Scotland) 
Peacock, J D and Merritt, J W. 2000. Glacial deposits at the Boyne Bay Limestone Quarry, Portsoy and their place in the late Pleistocene history of northeast Scotland. Journal of Quaternary Science. Vol.15, 543-555. 
Peacock, J D and Merritt, J W. 1997. Glaciotectonic rafting at Castle Hill, Gardenstown and its significance for the glacial history of northern Banffshire, Scotland. Journal of Quaternary Science. Vol.12 283-294. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
none recorded or not applicable