The BGS Lexicon of Named Rock Units — Result Details
Dolgau Mudstones Formation
Computer Code: | DGU | Preferred Map Code: | Dgu |
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Status Code: | Pending Upgrade | ||
Age range: | Llandovery Epoch (SL) — Llandovery Epoch (SL) | ||
Lithological Description: | Grey, green and locally purple mudstones; local burrow mottling. | ||
Definition of Lower Boundary: | Not defined. | ||
Definition of Upper Boundary: | Not defined. | ||
Thickness: | Not defined. | ||
Geographical Limits: | Not defined. | ||
Parent Unit: | Not Applicable (-) | ||
Previous Name(s): | Dolgau Mudstone Formation [Obsolete Name and Code: Use DGU]
(-3990)
Dolgau Mudstones [Obsolete Name and Code: Use DGU] (-3358) |
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Alternative Name(s): | none recorded or not applicable | ||
Stratotypes: | |||
none recorded or not applicable | |||
Reference(s): | |||
Campbell, S D G. 1983. The geology of an area between Bala and Betws-y-Coed, North Wales. Unpublished PhD Thesis, University of Cambridge. | |||
1:50K maps on which the lithostratigraphical unit is found, and map code used: | |||
E120 E136 E179 E137 E165 |