| Computer Code: |
MVSG |
Preferred Map Code: |
notEntered |
| Status Code: |
Full |
| Age range: |
Devensian Stage (QD)
— Devensian Stage (QD) |
| Lithological Description: |
Sand and gravel forming part of the infill of the buried valleys of the Ehen and Calder. Clasts are generally of Borrowdale Volcanic Group rocks, granite and olive brown ?Latterbarrow Sandstone. |
| Definition of Lower Boundary: |
Unconformable on pre-Quarternary bedrock. |
| Definition of Upper Boundary: |
Overlain by gravelly diamictons of the Low Wath Till Member of the Seascale Glacigenic Formation. |
| Thickness: |
Typically between 2.7 and 5.0m thick. |
| Geographical Limits: |
none recorded or not applicable
|
| Parent Unit: |
Seascale Glacigenic Formation (SEAG)
|
| Previous Name(s): |
none recorded or not applicable
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Partial Type Section |
Nirex Quarternary borehole QBH 22 (BGS Registered borehole NX90NE 10( from 29 to 31.7m depth. c.130m southwest of Snellings Farm, c.300m east of Middletown, west Cumbria. Nirex Science Report SA/97/045 (Issue 2.0). 1997. |
| Partial Type Section |
Nirex Quarternary Borehole QBH 23 (BGS Registered borehole NY00NW 457) from 25 to 30m depth. c.300m northnortheast of Calder Bridge, west 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.] |
| Auton, C A, Alexander, S A, Eaton, G P, McMillan, A A, Skinner, A C, and Wealthall, G P. 1997. Logging and interpretation of Quaternary boreholes (QBH) drilled in the Sellafield area during 1966. Nirex Science Report SA/97/043 (Issue 2.0). |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
| none recorded or not applicable |
