| Computer Code: |
MABF |
Preferred Map Code: |
notEntered |
| Status Code: |
Pending Upgrade |
| Age range: |
Late Cretaceous Epoch (KU)
— Late Cretaceous Epoch (KU) |
| Lithological Description: |
Flint. NOTE: Lowermost flint band in the Chalk; forms a bed in the lowest part of the Middle Chalk. |
| Definition of Lower Boundary: |
Not defined. |
| Definition of Upper Boundary: |
Not defined. |
| Thickness: |
Not defined. |
| Geographical Limits: |
Not defined. |
| Parent Unit: |
Holywell Nodular Chalk Formation (HCK)
|
| Previous Name(s): |
none recorded or not applicable
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Area |
Topmost part of southern wall of large worked-out chalk quarry immediately north of Totternhoe village (Bedfordshire). |
| Reference(s): |
| Aldiss, D T. 1990. Geological notes and local details for 1:10,000 Sheet SP92SE (Totternhoe) and part of Sheet SP91NE (Edlesborough): Part of 1:50,000 Sheet 220 (Leighton Buzzard). British Geological Survey, Onshore Geology Series, Technical Report WA/90/70. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
| none recorded or not applicable |
