The BGS Lexicon of Named Rock Units — Result Details

Kingsteps Sandstone Formation

Computer Code: KISA Preferred Map Code: notEntered
Status Code: Pending Upgrade
Age range: Late Devonian Epoch (DU) — Late Devonian Epoch (DU)
Lithological Description: Comprises of a basal breccio-conglomerate overlain by yellow and reddish grey, cross-bedded, coarse grained sandstones commonly containing mudstone rip-up clasts and associated pebbly beds. Thin beds of marly mudstone are sporadically distributed, together with thin conglomerates. The whole unit is calcareous throughout.
Definition of Lower Boundary: Requires fieldwork, or further research.
Definition of Upper Boundary: Requires fieldwork, or further research.
Thickness: none recorded or not applicable
Geographical Limits: South-east of the Great Glen Fault, around Nairn.
Parent Unit: Forres Sandstone Group (FSA)
Previous Name(s): Nairn Sandstones (-4123)
Nairn Sandstone (-3498)
Nairn Sandstone Formation [Obsolete Name And Code: Use KISA] (NSA)
(Kingsteps) Nairn Sandstones (-346)
Alternative Name(s): none recorded or not applicable
Stratotypes:
none recorded or not applicable
Reference(s):
Traquar, R H. 1905. On the fauna of the Upper Old Red Sandstone of the Moray Firth area. Report of the British Association for the Advancement of Science. Cambridge, 1904, 547. 
Fletcher, T P. 1996, A review of the lithostratigraphy of the Old Red Sandstone Supergroup in Scotland north of a line from Fort William to Aberdeen. BGS Technical Report WA/96/39R. 
Miles, R S. 1968. The Old Red Sandstone antiarchs of Scotland: Family Bothriolepididae. Paleontographical Society Monograph, No.552. 
Westoll, T S. 1951. The vertebrate-bearing strata of Scotland. 18th International Geological Congress, London, 1948, Vol. 9, p. 5-21. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
S084 S084 S095