| Computer Code: |
RAVNF |
Preferred Map Code: |
notEntered |
| Status Code: |
Index Level |
| Age range: |
Turonian Age (KT)
— Turonian Age (KT) |
| Lithological Description: |
A tabular or semi-tabular flint up to 0.25 m thick. |
| Definition of Lower Boundary: |
none recorded or not applicable
|
| Definition of Upper Boundary: |
none recorded or not applicable
|
| Thickness: |
Up to 0.25 m. |
| Geographical Limits: |
none recorded or not applicable
|
| Parent Unit: |
Welton Chalk Formation (WCK)
|
| Previous Name(s): |
none recorded or not applicable
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| none recorded or not applicable |
| Reference(s): |
| Hopson, P M. 2005. A stratigraphical framework for the Upper Cretaceous Chalk of England and Scotland, with statements on the Chalk of Northern Ireland and the UK Offshore Sector. British Geological Survey Research Report RR/05/01 102pp. ISBN 0 852725175 |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
| none recorded or not applicable |
