| Computer Code: |
GREN |
Preferred Map Code: |
notEntered |
| Status Code: |
Full |
| Age range: |
Pleistocene Epoch (QP)
— Pleistocene Epoch (QP) |
| Lithological Description: |
Fluviatile gravel with sand. |
| Definition of Lower Boundary: |
Unconformable, commonly channelled base, resting on bedrock surface. |
| Definition of Upper Boundary: |
Ground surface. |
| Thickness: |
0 to 7.6m |
| Geographical Limits: |
Nene Valley, Central England. |
| Parent Unit: |
Nene Valley Formation (NENE)
|
| Previous Name(s): |
Second Terrace Gravels [Obsolete Name and Code: Use GREN]
(-2213)
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Area |
Grendon, Northamptonshire. |
| Reference(s): |
| Castleden, R. 1980. The second and third terrace of the River Nene. Mercian Geologist, Vol.8, 29-46. |
| Bowen, D Q. 1999. A revised correlation of Quaternary 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: |
|
E185
|
