The BGS Lexicon of Named Rock Units — Result Details

Mulloch Hill Sandstone Formation

Computer Code: MLHS Preferred Map Code: MLHS
Status Code: Full
Age range: Rhuddanian Age (SR) — Rhuddanian Age (SR)
Lithological Description: Green to buff, ochreous-weathered sandstones, siltstones and mudstones.
Definition of Lower Boundary: Conformably overlies the Mulloch Hill Conglomerate (MLCG).
Definition of Upper Boundary: Conformably overlain by the Glenwells Shale Formation (GWSH).
Thickness: Up to 240m thick.
Geographical Limits: Craighead Inlier, Girvan.
Parent Unit: Newlands Subgroup (NEWL)
Previous Name(s): Mulloch Hill Formation [Obsolete Name And Code] (MLH)
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Section  Around the nose of the Kirk Hill anticline, in the Craighead Inlier, Girvan, including Kirk (Mulloch) Hill. 
Reference(s):
Harper, D A T, 1982. The stratigraphy of the Drummock Group (Ashgill), Girvan. Geological Journal, Vol.17, p.251-277.l. 17 251-277 
Cocks, L R M and Toghill, P, 1973. The biostratigraphy of the Silurian rocks of the Girvan District, Scotland. Journal of the Geological Society of London, Vol. 129, 209-243. 
Freshney, E C. 1959. An extension of the Silurian succession in the Craighead Inlier, Girvan. Transactions of the Geological Society of Glasghow, Vol. 24, 27-31. 
Lapworth, C, 1882. The Girvan Succession. Quarterly Journal of the Geological Society of London, Vol. 38, 537-666. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
S014