| Computer Code: |
TRSS |
Preferred Map Code: |
notEntered |
| Status Code: |
Index Level |
| Age range: |
Duckmantian Substage (CB)
— Duckmantian Substage (CB) |
| Lithological Description: |
Sandstone. |
| 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: |
south-east Northumberland (lebour and Smythe, 1906; Land, 1974 page 67). |
| Parent Unit: |
Pennine Middle Coal Measures Formation (PMCM)
|
| Previous Name(s): |
none recorded or not applicable
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| none recorded or not applicable |
| Reference(s): |
| Land, D H. 1974. Geology of the Tynemouth District (Explanation of one-inch Geological Sheet 15, New Series). Memoir of the British Geological Survey Sheet 20 (England and Wales). |
| Lebour, G A and Smythe, J. 1906. On a case of unconformity and thrust in the Coal Measures of Northumberland. Q. Jnl. geol. Soc. Lond., 62, 530-50. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
| none recorded or not applicable |
