| Computer Code: |
ALF1 |
Preferred Map Code: |
notEntered |
| Status Code: |
Full |
| Age range: |
Quaternary Period (Q)
— Quaternary Period (Q) |
| Lithological Description: |
See ALF Alluvial fan deposits. Alluvial fan deposits, 1 is older than Alluvial fan deposits in the same area.
Alluvium with a low-angle cone form developed at the mouths of tributary valleys [generic description: 'TMOS' procedures]; very localised source. [Descriptions from East Anglian data]. |
| 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: |
none recorded or not applicable
|
| Parent Unit: |
Alluvial fan deposits (ALF)
|
| Previous Name(s): |
none recorded or not applicable
|
| 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: |
| none recorded or not applicable |
