| Computer Code: |
TFH |
Preferred Map Code: |
notEntered |
| Status Code: |
Index Level |
| Age range: |
Arundian Substage (CJ)
— Arundian Substage (CJ) |
| Lithological Description: |
Limestone and mudstone. |
| Definition of Lower Boundary: |
none recorded or not applicable
|
| Definition of Upper Boundary: |
none recorded or not applicable
|
| Thickness: |
none recorded or not applicable
|
| Geographical Limits: |
Restricted to the Swinden Anticline [SE 86 54], about 2km south of Hellifield, North Yorkshire. |
| Parent Unit: |
Hodder Mudstone Formation (HOM)
|
| Previous Name(s): |
Toft Hill Beds [Obsolete Name and Code: Use TFH]
(-4366)
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| none recorded or not applicable |
| Reference(s): |
| none recorded or not applicable |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
E060
|