The BGS Lexicon of Named Rock Units — Result Details

Gillcambon Till Formation

Computer Code: GCBTI Preferred Map Code: Gc
Status Code: Full
Age range: Devensian Stage (QD) — Devensian Stage (QD)
Lithological Description: Extremely compact, reddish-brown, stony silty sandy clay diamicton containing clasts of red sandstone and Scottish rock types (granodiorite, granite, greywacke) in addition to Lake District volcanoclastic rocks and Carboniferous rocks.
Definition of Lower Boundary: Uneven, unconformable on bedrock.
Definition of Upper Boundary: Unconformable, planar or uneven. At the Type Section there are rip-up clasts of Gillcambon Till within the overlying grey diamicton of the Greystoke Till Formation.
Thickness: To 5m
Geographical Limits: The Vale of Eden and the southern Solway Lowlands.
Parent Unit: Irish Sea Coast Glacigenic Subgroup (ISCG)
Previous Name(s): Till Of "Early Scottish Glaciation" (-921)
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Section  West bank of Gillcambon Beck, 275m above the road bridge. Eastwood et al. 1969. 
Reference(s):
Eastwood,T, Hollingworth, S E, Rose, W C C and Trotter, F M. 1968. Geology of the country around Cockermouth and Caldbeck. Memoir of the Geological Survey of Great Britain, England and Wales, Sheet 23. 
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. 
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