The BGS Lexicon of Named Rock Units — Result Details

Skelmorlie Conglomerate Formation

Computer Code: SKM Preferred Map Code: SKM
Status Code: Full
Age range: Late Devonian Epoch (DU) — Late Devonian Epoch (DU)
Lithological Description: Conglomerate with clasts of quartz, schist, quartzite and lava and interbeds of pebbly sandstone.
Definition of Lower Boundary: Conformable, but scoured, resting on the Wemyss Bay Sandstone Formation.
Definition of Upper Boundary: Passes upwards into the Kelly Burn Sandstone Formation.
Thickness: From 20 m to 60 m thick.
Geographical Limits: Sheet 29, Wemyss Bay-Skelmorlie area.
Parent Unit: Stratheden Group (SAG)
Previous Name(s): Skelmorlie Conglomerate (-3679)
Skelmorlie Formation (-1825)
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Area  Coastal section near Skelmorlie, on sheet 29E. 
Reference(s):
Paterson, I B, Hall, I H S & Stephenson, D. 1990. Geology of the Greenock district: Memoir for 1:50000 geological sheet 30W and part of sheet 29E (Scotland). 
Bluck, B J. 1978. Sedimentation in a late orogenic basin; the Old Red Sandstone of the Midland Valley of Scotland. American Association of Petroleum Geologists. Memoirs No.12. 
Paterson, I B and Hall, I H S, 1986. Lithostratigraphy of the late Devonian and early Carboniferous rocks in the Midland Valley of Scotland. British Geological Survey Report, 18/3. 
Browne, M A E, Smith, R A and Aitken, A M. 2001. A lithostratigraphical framework for the Devonian (Old Red Sandstone) rocks of Scotland south of a line from Fort William to Aberdeen. Version 3. British Geological Survey Research Report RR/01/04. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
S029 S030