The BGS Lexicon of Named Rock Units — Result Details

Monument Formation

Computer Code: MMT Preferred Map Code: MMT
Status Code: Full
Age range: Wenlock Epoch (SW) — Wenlock Epoch (SW)
Lithological Description: Greyish red, medium-grained sandstones and silty mudstones.
Definition of Lower Boundary: Transitional from greenish grey sandstones, siltstones and silty mudstones of Dippal Burn Formation.
Definition of Upper Boundary: Transitional to greenish-grey sandstones, siltstones and silty mudstones of Slot Burn Formation.
Thickness: 140m
Geographical Limits: Muirkirk to Strathaven area, Strathclyde region, Central Scotland.
Parent Unit: Waterhead Group (Cf Glenbuck Group) (WHD)
Previous Name(s): none recorded or not applicable
Alternative Name(s): none recorded or not applicable
Stratotypes:
Partial Type Section  Stream sections in Auchen Gilloch Glen. 
Reference(s):
Walton, E K, 1965. "In" Craig, G Y, (Editor). The Geology of Scotland: Lower Palaeozoic rocks. Oliver and Boyd, Edinburgh, 161-227. 
Jennings, J S. Not published. The geology of the eastern part of the Lesmahagow Inlier. Ph.D.Thesis, University of Edinburgh, 1961. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
S023