| Computer Code: |
CLGL |
Preferred Map Code: |
notEntered |
| Status Code: |
Pending Upgrade |
| Age range: |
Asbian Substage (CR)
— Asbian Substage (CR) |
| Lithological Description: |
Highly bioclastic, crinoidal microspar grainstone. |
| Definition of Lower Boundary: |
Lower boundary is abrupt contact with poorly fossiliferous and cherty argillaceous limestones of Dartrey Formation. |
| Definition of Upper Boundary: |
Upper contact is base of lowest shale of succeeding Carn Limestone Member. |
| Thickness: |
0.97 metres in type section. Range 0.56 - 1.25 metres. |
| Geographical Limits: |
Not defined. |
| Parent Unit: |
Dartry Limestone Formation (DARL)
|
| Previous Name(s): |
none recorded or not applicable
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| none recorded or not applicable |
| Reference(s): |
| Legg, I C, et al. 1998. Geology of the country around Derrygonnelly and Marble Arch, 2nd edition. Memoir of the British Geological Survey, Sheet 44/56. (N. Ireland). |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
| none recorded or not applicable |
