The BGS Lexicon of Named Rock Units — Result Details

Sulby Glen Formation

Computer Code: SUGL Preferred Map Code: notEntered
Status Code: Full
Age range: Holocene Epoch (QH) — Holocene Epoch (QH)
Lithological Description: Well sorted, stratified alluvial gravel, sand, silt and clay, forming floodplains and river terraces.
Definition of Lower Boundary: Generally unconformably overlying glacigenic diamictons and outwash debris flows and alluvian fan sediments or bedrock.
Definition of Upper Boundary: Usually the ground surface.
Thickness: Terraces up to 6m high are recorded.
Geographical Limits: The Isle of Man. (50k sheets 36, 45, 46, 56, 57).
Parent Unit: Isle Of Man Catchments Subgroup (IMCA)
Previous Name(s): none recorded or not applicable
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Area  The Sulby Glen area, c.3km northnorthwest of Snaefell, northwest part of the Isle of Man. Chadwick et al., 2001. 
Reference(s):
Thomas, G S P. 1999. Northern England. 91-98 in Bowen, D Q (Editor), A revised correlation of Quaternary and Neogene deposits in the British Isles. Geological Society Special Report No.23. 
Chadwick, R A, Jackson, D I, Barnes, R P, Kimbell, G S, Johnson, H, Chiverell, R C, Thomas, G S P, Jones, N S, Riley, N J, Pickett, E A, Young, B, Holliday, D W, Ball, D F, Molyneux, S G, Long, D, Power, G M and Roberts, D H. 2001. Geology of the Isle of Man and its offshore area. British Geological Survey Research Report, RR/01/06. 
Chiverrell, R C, Thomas, G S P and Harvey, A M. 2001. Late Devensian and Holocene landscape change in the uplands of the Isle of Man. Geomorphology, Vol.40, 219-236. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
E400