| Computer Code: |
CLSP |
Preferred Map Code: |
notEntered |
| Status Code: |
Full |
| Age range: |
Holkerian Substage (CQ)
— Holkerian Substage (CQ) |
| Lithological Description: |
[Obsolete: use MMS] Pale yellow quartzite fossiliferous quartzitic sandstones with angular quartz subordinate feldspar limestones, siltstones and shales. |
| Definition of Lower Boundary: |
Drawn at the base of the Clonelly Sandstone where it conformably rests upon calcareous flags of the Pettgo Limestone Group. |
| Definition of Upper Boundary: |
Drawn at the conformable upward passage of the Clonelly Sandstone where it is overlain by superficial deposits. |
| Thickness: |
457 metres. |
| Geographical Limits: |
The Omagh Syncline, Northern Ireland. |
| Parent Unit: |
none recorded or not applicable
|
| Previous Name(s): |
none recorded or not applicable
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| none recorded or not applicable |
| Reference(s): |
| Simpson, I M, 1954. The Lower Carboniferous stratigraphy of the Omagh Syncline, Northern Ireland. Quarterly Journal of the Geological Society of London, Vol.110, 391-408. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
| none recorded or not applicable |
