Computer Code: |
RE |
Preferred Map Code: |
notEntered |
Status Code: |
Index Level |
Age range: |
Marsdenian Substage (CZ)
— Marsdenian Substage (CZ) |
Lithological Description: |
Fine to coarse grained massive and thinly bedded sandstone. |
Definition of Lower Boundary: |
The base of a main sandstone between the Chatsworth Grit and Rough Rock, and below the Cancelloceras Marine Band. |
Definition of Upper Boundary: |
The top of the first sandstone below the Cancelloceras Marine band. Where present, it is the second main sandstone below the top of the Millstone Grit Group, about 60m below the top and above the Chatsworth Grit. |
Thickness: |
Up to 15 m thick. |
Geographical Limits: |
South Yorkshire and Derbyshire. |
Parent Unit: |
Marsden Formation (MARSD)
|
Previous Name(s): |
none recorded or not applicable
|
Alternative Name(s): |
none recorded or not applicable
|
Stratotypes: |
none recorded or not applicable |
Reference(s): |
Pulfrey W 1934. A boring in Millstone Grits, Red Moor, Sheffield. Proceedings of the Yorkshire Geological Society, Volume 22, 254-264. |
1:50K maps on which the lithostratigraphical unit is found, and map code used: |
E085
E100
E099
|