Computer Code: |
SRMC |
Preferred Map Code: |
SRM |
Status Code: |
Index Level |
Age range: |
Yeadonian Substage (CY)
— Yeadonian Substage (CY) |
Lithological Description: |
Coal. |
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: |
Millstone Grit Group [See Also MIGR] (MG)
|
Previous Name(s): |
Sand Rock Mine [Obsolete Name and Code: Use SRMC]
(-1198)
|
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 |