| Computer Code: |
DGMS |
Preferred Map Code: |
notEntered |
| Status Code: |
Full |
| Age range: |
Devensian Stage (QD)
— Devensian Stage (QD) |
| Lithological Description: |
Thinly interbedded sequence of brown silty clay, clayey silt, very fine-grained sand and yellow brown fine- to medium-grained sands. Some beds of clay contain granules and fine pebbles. |
| Definition of Lower Boundary: |
Generally conformable on the Fishgarth Wood Till Member of the Gosforth Glacigenic Formation. |
| Definition of Upper Boundary: |
Unconformably overlain by Holocene deposits such as blown sand and peats. |
| Thickness: |
8.6m thick at its type section. |
| Geographical Limits: |
1:50k Sheet 47 Gosforth, Drigg area, western Cumbria. |
| Parent Unit: |
Gosforth Glacigenic Formation (GOGL)
|
| Previous Name(s): |
none recorded or not applicable
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Area |
Drigg Landfill Site, which extends 1.5km northwest of Drigg village, Cumbria. Nirex Science Report SA/97/045 (Issue 2.0), 1997 |
| Type Section |
BNFL Drigg Offsite Borehole C. 1.2km southwest of Drigg village, Cumbria. Nirex Science Report SA/97/045 (Issue 2.0), 1997. |
| Reference(s): |
| Merritt, J W and Auton, C A. 1997. Quaternary lithostratigraphy of the Sellafield district. Nirex Science Report SA/97/045 (Issue 2.0). [Report prepared for UK Nirex Ltd. 69pp, 5 tables, 20 figures, 14 enclosures and one appendix.] |
| Merrit, J W and Auton, C A. 2000. An outline of the lithostratigraphy and depositional history of Quaternary deposits in the Sellafield district, west Cumbria. Proceedings of the Yorkshire Geological Society, Vol.53, 129-154 |
| Merritt, J W, Auton, C A, Browne, M A E, Neilson, G and McMillan, A A. 1995. Characterisation of the onshore Quaternary deposits around Sellafield, Cumbria, Phase II. Nirex Science Report 768. |
| Trotter, F M, Hollingworth, S E, Eastwood T and Rose, W C C. 1937. Gosforth District. Geological Survey Memoir, England and Wales, Sheet 37. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
| none recorded or not applicable |
