Computer Code: |
SGGR |
Preferred Map Code: |
notEntered |
Status Code: |
Index Level |
Age range: |
Llandovery Epoch (SL)
— Early Devonian Epoch (DL) |
Lithological Description: |
none recorded or not applicable
|
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: |
Not Entered (?)
|
Previous Name(s): |
none recorded or not applicable
|
Alternative Name(s): |
none recorded or not applicable
|
Stratotypes: |
none recorded or not applicable |
Reference(s): |
Noble, S R, David, K, Crowley, Q and Storey, C. 2004. U-Pb geochronology of igneous rocks from the Midland Valley Terrane, Northern Ireland, part 2. NERC Isotope Geosciences Laboratory Report series No. 201. |
O'Connor, P J, Long, C B, Kennan, P S, Halliday, A N, Max, M D and Roddick, J C. 1982. Rb-Sr isochron study of the Thorr and Main Donegal Granites, Ireland. Geological Journal, Vol.17, 279-295. |
1:50K maps on which the lithostratigraphical unit is found, and map code used: |
none recorded or not applicable |