| Computer Code: |
DBLM |
Preferred Map Code: |
DBLM |
| Status Code: |
Full |
| Age range: |
Courceyan Substage (CF)
— Courceyan Substage (CF) |
| Lithological Description: |
Micritic limestone, pale grey, laminated and nodular. Algal mat stromatalites and sparse, marine, shelly fauna. Limestones interbedded with calcareous mudstone, siltstone and sandstone. |
| Definition of Lower Boundary: |
Base of limestones and calcareous mudstones overlying fluvial sandstones, siltstones and mudstones of the Barony Glen Formation. |
| Definition of Upper Boundary: |
Uppermost limestone overlain by fluvial sandstones, siltstones and mudstones of the Barony Glen Formation. |
| Thickness: |
140m |
| Geographical Limits: |
Newtownstewart Basin, Sperrin Mountains, County Tyrone, Northern Ireland. |
| Parent Unit: |
Barony Glen Formation (BAGL)
|
| Previous Name(s): |
none recorded or not applicable
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Partial Type Section |
Douglas Burn, County Tyrone, Northern Ireland. |
| Reference(s): |
| none recorded or not applicable |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
| none recorded or not applicable |