The BGS Lexicon of Named Rock Units — Result Details

Lady Burn Formation

Computer Code: LBM Preferred Map Code: LBM
Status Code: Full
Age range: Rawtheyan Stage (OW) — Rawtheyan Stage (OW)
Lithological Description: Pale grey, poorly bedded nodular siltstones and mudstones with a locally rich shelly fauna.
Definition of Lower Boundary: Conformably overlies the Quarrel Hill Formation (QHF).
Definition of Upper Boundary: Conformably overlain by the South Threave Formation (STHV).
Thickness: 140m
Geographical Limits: Craighead Inlier, Girvan.
Parent Unit: Drummuck Subgroup (DKG)
Previous Name(s): Lady Burn Mudstone (-355)
Alternative Name(s): none recorded or not applicable
Type Section  Lady Burn, Craighead Inlier, Girvan. 
Type Area  Craighead Inlier, SO14W. (Drummuck Burn). 
Lapworth, C, 1882. The Girvan Succession. Quarterly Journal of the Geological Society of London, Vol. 38, 537-666. 
Harper, D A T, 1982. The stratigraphy of the Drummock Group (Ashgill), Girvan. Geological Journal, Vol.17, p.251-277.l. 17 251-277 
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. 
Lamont, A. 1935. The Drummuck Group, Girvan; A stratigraphical revision, with descriptions of new fossils from the lower part of the group. Transactions of the Geological Society of Glasgow, Vol.19, 288-334. 
1:50K maps on which the lithostratigraphical unit is found, and map code used: