Computer Code: |
GWC |
Preferred Map Code: |
GWC |
Status Code: |
Full |
Age range: |
Aeronian Age (SA)
— Aeronian Age (SA) |
Lithological Description: |
A poorly-sorted conglomerate with pebbles at least 8 cm in diamete, interbedded with coarse-grained sandstones. |
Definition of Lower Boundary: |
Conformably overlies the Glenwells Shale Formation. |
Definition of Upper Boundary: |
Conformably overlain by the Newlands Farm Formation. |
Thickness: |
About 100 m thick. |
Geographical Limits: |
Craighead Inlier, Girvan. |
Parent Unit: |
Newlands Subgroup (NEWL)
|
Previous Name(s): |
Newlands Formation (lower part) [Obsolete Name and Code: Use GWC]
(-2223)
|
Alternative Name(s): |
none recorded or not applicable
|
Stratotypes: |
Type Section |
Glenwells Burn, Craighead Inlier, Girvan. |
Reference(s): |
Floyd, J D and Williams, M. 2003. A revised correlation of Silurian rocks in the Girvan district, SW Scotland. Transactions of the Royal Society of Edinburgh: Earth Sciences, Vol. 93 (for 2002), 383-92. |
Cocks, L R M and Toghill, P, 1973. The biostratigraphy of the Silurian rocks of the Girvan District, Scotland. Journal of the Geological Society of London, Vol. 129, 209-243. |
Lapworth, C, 1882. The Girvan Succession. Quarterly Journal of the Geological Society of London, Vol. 38, 537-666. |
Freshney, E C. 1959. An extension of the Silurian succession in the Craighead Inlier, Girvan. Transactions of the Geological Society of Glasghow, Vol. 24, 27-31. |
1:50K maps on which the lithostratigraphical unit is found, and map code used: |
S014
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