The BGS Lexicon of Named Rock Units — Result Details
Glenshalloch Shales
| Computer Code: | GLSH | Preferred Map Code: | GLSH |
|---|---|---|---|
| Status Code: | Full | ||
| Age range: | Aeronian Age (SA) — Aeronian Age (SA) | ||
| Lithological Description: | Soft, thinly-bedded, greyish green siltstones and mudstones with a graptolite fauna. | ||
| Definition of Lower Boundary: | Conformably overlies the Newlands Farm Formation (NWF) | ||
| Definition of Upper Boundary: | Conformably overlain by the Saugh Hill Grits Formation (SHSG). | ||
| Thickness: | About 305 m thick. | ||
| Geographical Limits: | Craighead Inlier, Girvan. | ||
| Parent Unit: | Newlands Subgroup (NEWL) | ||
| Previous Name(s): | Diplograptus Modestus Shales [Obsolete Name: Use GLSH]
(DMS)
Glenshalloch Shale Formation [Obsolete Name and Code: Use GLSH] (-1564) |
||
| Alternative Name(s): | none recorded or not applicable | ||
| Stratotypes: | |||
| Type Section | Glenshalloch Hill and Baldrennan Burn, Craighead Inlier, Girvan. | ||
| Reference(s): | |||
| 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. | |||
| 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. | |||
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: | |||
| S014 | |||