The BGS Lexicon of Named Rock Units — Result Details

Carmichael Burn Formation

Stratotypes:
Computer Code:	CMBN	Preferred Map Code:	CMBN
Status Code:	Full
Age range:	Llandovery Epoch (SL) — Llandovery Epoch (SL)
Lithological Description:	Pale greyish olive, greenish grey and greyish red mudstones and thin beds of olive-grey and purplish siltstones, locally containing marine fossils. One interbedded unit of greyish orange to greyish red quartose sandstone.
Definition of Lower Boundary:	Faulted out by the Carmichael Fault.
Definition of Upper Boundary:	Top of the predominantly mudstone succession of the Carmichael Burn Formation below the fairly sharp incoming of the Fence Conglomerate Member of the Westgate Formation
Thickness:	c.168m
Geographical Limits:	Carmichael Inlier, Lanarkshire, Scotland.
Parent Unit:	Carmichael Group (CARM)
Previous Name(s):	Carmichael Burn Group [Obsolete Name and Code: Use CARM, CMBN] (-4515) Manse Mudstone [Obsolete Name and Code: Use CMBN] (-141) Burn Bridge Arenite [Obsolete Name and Code: Use CMBN] (-3946) Crossridge Formation [Obsolete Name and Code: Use CMBN] (-3947)
Alternative Name(s):	none recorded or not applicable
Partial Type Section	Exposures along the Carmichael Burn between 320 and 150m south of Carmichael Manse. Rolfe, 1960
Reference(s):
Rolfe, W D I, 1960. The Silurian inlier of Carmichael, Lanarkshire. Transactions of the Royal Society of Edinburgh, Vol.64, 245-260
Phillips E R, Barron, H F, Smith, R A, and Arkley, S. 2004. Composition and provenance of the Silurian to Devonian sandstone sequences of the southern Midland Valley. Scottish Journal of Geology, Vol. 40 No. 1 (2004).
Walton, E K. 1983. Lower Palaeozoic - Stratigraphy. In Craig, G Y (editor), Geology of Scotland (2nd edition)(Edinburgh: Scottish Academic Press.)
1:50K maps on which the lithostratigraphical unit is found, and map code used:
S023 S023

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