The BGS Lexicon of Named Rock Units — Result Details
Doweel Breccia Formation
Computer Code: | DBR | Preferred Map Code: | DBr |
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Status Code: | Full | ||
Age range: | Cisuralian Epoch (PLC) — Cisuralian Epoch (PLC) | ||
Lithological Description: | Interbedded breccias, fluviatile and aeolian sandstones; rare siltstones present at lower horizons. | ||
Definition of Lower Boundary: | Interdigitates with and overlies the Locharbriggs Sandstone Formation. | ||
Definition of Upper Boundary: | Forms the top of the Permian sequence in the Dumfries Basin. | ||
Thickness: | >200m | ||
Geographical Limits: | Mainly on the western side of the Dumfries Basin. | ||
Parent Unit: | Stewartry Group (STEW) | ||
Previous Name(s): | Castledykes Sandstone [Obsolete Name and Code: Use DBR]
(-1482)
Craigs Breccia [Obsolete Name and Code: Use DBR] (-2745) |
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Alternative Name(s): | none recorded or not applicable | ||
Stratotypes: | |||
Type Section | Old railway cutting 150m south of Doweel Farm. | ||
Reference(s): | |||
Brookfield, M E. 1978. Revision of the Stratigraphy of Permian and Supposed Permian Rocks of Southern Scotland. Geologische Rundschau, Vol. 67, 110-143. | |||
1:50K maps on which the lithostratigraphical unit is found, and map code used: | |||
S006 S009 S010 S005 |