The BGS Lexicon of Named Rock Units — Result Details

Seamill Sandstone Formation [Obsolete Name And Code: Use KBS]

Computer Code: SEA Preferred Map Code: SEA
Status Code: Index Level
Age range: Late Devonian Epoch (DU) — Late Devonian Epoch (DU)
Lithological Description: Red-brown fine-grained sandstone with scattered, largely vein-quartz pebbles, and a few beds of quartz pebble conglomerate.
Definition of Lower Boundary: Drawn at the base of the sandstone of the Seamill Sandstone Formation (Base not seen).
Definition of Upper Boundary: (Boundary is transitional). Drawn at conformable upward passage from red-brown sandstone of the Seamill Sandstone Formation to white or cream sandstone of the Fairlie Sandstone Formation.
Thickness: At least 1000m
Geographical Limits: Strathclyde, Scotland. Sheets 21 and 29. East of Largs Fault Zone.
Parent Unit: Stratheden Group (SAG)
Previous Name(s): none recorded or not applicable
Alternative Name(s): Kelly Burn Sandstone
Stratotypes:
Type Area  Coast at Seamill, Strathclyde, Scotland. 
Reference(s):
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. 
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). 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
S021 S029 S030