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 |