Computer Code: |
MMN |
Preferred Map Code: |
notEntered |
Status Code: |
Pending Upgrade |
Age range: |
Telychian Age (ST)
— Telychian Age (ST) |
Lithological Description: |
Siliciclastic argillaceous rock. |
Definition of Lower Boundary: |
none recorded or not applicable
|
Definition of Upper Boundary: |
none recorded or not applicable
|
Thickness: |
c.140m |
Geographical Limits: |
Haverfordwest area, Pembroke, South Wales. |
Parent Unit: |
Not Available (!)
|
Previous Name(s): |
none recorded or not applicable
|
Alternative Name(s): |
none recorded or not applicable
|
Stratotypes: |
none recorded or not applicable |
Reference(s): |
Cocks, L R M, Holland, C H and Rickards, B. 1992. A revised correlation of Silurian rocks in the British Isles. Geological Society of London Special Report. No.21, 32pp. |
1:50K maps on which the lithostratigraphical unit is found, and map code used: |
none recorded or not applicable |