| 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): |
| 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. |
| 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. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
E400
|
