Computer Code: |
RDC |
Preferred Map Code: |
RdC |
Status Code: |
Pending Upgrade |
Age range: |
Pendleian Substage (CE)
— Pendleian Substage (CE) |
Lithological Description: |
Sequence of chert, cherty limestone, limestone and mudstone in very variable proportions. |
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: |
Stainmore Formation (SMGP)
|
Previous Name(s): |
Richmond Chert Series [Obsolete Name and Code: Use RDC]
(-4289)
|
Alternative Name(s): |
none recorded or not applicable
|
Stratotypes: |
none recorded or not applicable |
Reference(s): |
Dunham, K C, and Wilson, A A. 1985. Geology of the Northern Pennine Orefield. Volume 2 Stainmore to Craven. Economic Memoir of the British Geological Survey, Sheets 40, 41 and 50, and parts of Sheets 31, 32, 51, 60 and 61(England and Wales). |
Wells A J, 1955. The Development of chert between the Main (Great) and Crow limestones in North Yorkshire. Proceedings of the Yorkshire Geol. Soc, Vol.30. 177-196. |
1:50K maps on which the lithostratigraphical unit is found, and map code used: |
E050
E040
E041
E051
|