Computer Code: |
HYTM |
Preferred Map Code: |
notEntered |
Status Code: |
Index Level |
Age range: |
Famennian Age (DA)
— Courceyan Substage (CF) |
Lithological Description: |
Mudstone with subsidiary calcareous mudstone and siltstone. |
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: |
none recorded or not applicable
|
Previous Name(s): |
Hyner Shale Formation and Trusham Shale Formation (Undifferentiated) [Obsolete Name and Code: Use HYTM]
(-3486)
|
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 |