The BGS Lexicon of Named Rock Units — Result Details

Grendon Member

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 (-2213)
Alternative Name(s): none recorded or not applicable
Type Area  Grendon, Northamptonshire. 
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: