The BGS Lexicon of Named Rock Units — Result Details
Dailly Group [Obsolete: use DAI, STNG]
Computer Code: | DLY | Preferred Map Code: | notEntered |
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Status Code: | Index Level | ||
Age range: | Llandovery Epoch (SL) — Wenlock Epoch (SW) | ||
Lithological Description: | [Obsolete: use DAI, STNG] Flaggy greywacke and shales, with hard, flaggy grit seams and limestone ribs. Coarse conglomerates and grits occur at the top. | ||
Definition of Lower Boundary: | Drawn at base of purple shales and mudstone of the Penkill Group where it rests conformably on grits of the Camregan Group. | ||
Definition of Upper Boundary: | Drawn at unconformable upward passage from grits and conglomerate of the Straiton Group to redsandstone and conglomerate of the Lower Old Red Sandstone. | ||
Thickness: | Approx. 780 metres. | ||
Geographical Limits: | Strathclyde, Scotland. | ||
Parent Unit: | none recorded or not applicable | ||
Previous Name(s): | Dailly Series [Obsolete Name and Code: Use DLY, PNO, DAI]
(-3973)
Camregan Group [Obsolete Name And Code: Use (Part Of) DLY] (CRGN) |
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Alternative Name(s): | none recorded or not applicable | ||
Stratotypes: | |||
Type Area | From near Old Dailly to Straiton, east and east-north-east of Girvan, Strathclyde, Scotland. | ||
Reference(s): | |||
Peach, B N and Horne, J. 1899. The Silurian Rocks of Britain, Volume 1. Scotland. Memoir of the Geological Survey of the United Kingdom. | |||
Jones, O T, 1921. The Valentian Series. Quarterly Journal of the Geological Society, Vol.77, p.154-157. | |||
Greig, D C. 1971. British Regional Geology: the South of Scotland (3rd Edition). (Edinburgh: HMSO for the Institute of Geological Sciences.) | |||
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: | |||
none recorded or not applicable |