The BGS Lexicon of Named Rock Units — Result Details

Plumpe Farm Sand Member

Computer Code: PFS Preferred Map Code: PFS
Status Code: Full
Age range: Devensian Stage (QD) — Devensian Stage (QD)
Lithological Description: Reddish brown, silty sand with subordinate beds of silt, clay and gravel. Locally dominantly silt and clay.
Definition of Lower Boundary: Conformable contact with the underlying Chapelknowe Till Member of the Gretna Till Formation or with the Loganhouse Gravel Member of the Plumpe Farm Sand and Gravel Formation.
Definition of Upper Boundary: Commonly a gradational, glacitectonic contact with the overlying Plumpe Bridge Till Member of the Gretna Till Formation. Otherwise unconformable on bedrock.
Thickness: 15m
Geographical Limits: Solway Lowlands.
Parent Unit: Plumpe Sand And Gravel Formation (PLSG)
Previous Name(s): Middle Sands And Gravels (-122)
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Section  Section behind cowshed at Plumpe Farm, 1km east of Gretna, Dumfries-shire Geologist's field locality card ME 262-263 
Reference(s):
Trotter, F M. 1929. The glaciation of the Eastern Edenside, the Alston Block, and the Carlisle Plain. Quarterly Journal of the Geological Society of London, Vol.85, 549-612. 
McMillan, A A, Merritt, J W, Auton, C A and Golledge, N R [In preparation]. The Quaternary geology of the Solway area. BGS Research Report. 
Trotter, F M, 1922. Report from the Cumberland District. In: Summary of the Progress of the Geological Survey of Great Britain for 1921, 46-48. 
Trotter, F M and Hollingworth, S E, 1932. The glacial sequence in the North of England. Geological Magazine, Vol.69, 374-380. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
none recorded or not applicable