Computer Code: |
TEDD |
Preferred Map Code: |
TEDD |
Status Code: |
Full |
Age range: |
Famennian Age (DA)
— Famennian Age (DA) |
Lithological Description: |
Red Beds: Interbedded sandstone, very coarse-grained, pebbly with pebble bands, purple-grey, sandstones and siltstone, fine-grained, cross-bedded, ripple laminated, purple-red mudstones. |
Definition of Lower Boundary: |
Not exposed, faulted out. |
Definition of Upper Boundary: |
Not exposed, faulted out, but probably is gradational with base of finer grained Shanmullagh Formation. |
Thickness: |
450m |
Geographical Limits: |
The Tedd Cross Roads segment of the Fintona Block. |
Parent Unit: |
Fintona Group (FIN)
|
Previous Name(s): |
none recorded or not applicable
|
Alternative Name(s): |
none recorded or not applicable
|
Stratotypes: |
Type Area |
Large superficial deposit-free area between the Irvinestown to Tedd Cross Roads road (C-class), at Cloghfin and Raw Lough. |
Reference(s): |
Mitchell, W I and Owens, B, 1990. The geology of the western part of the Fintona Block, Northern Ireland: Evolution of Carboniferous basins. Geological Magazine, Vol.127 (5), 407-426. |
Mitchell, W I, 1992. The origin of Upper Palaeozoic sedimentary basins in Northern Ireland and relationships with the Canadian Maritime Provinces. "In" Parnell, J. (Editor). Basins on the Atlantic Seaboard: Petroleum Geology, Sedimentology and Basin Evolution. Geological Society Special Publication No.62, 191-202. |
1:50K maps on which the lithostratigraphical unit is found, and map code used: |
none recorded or not applicable |