The BGS Lexicon of Named Rock Units — Result Details
Caban Conglomerate Formation
Computer Code: | CBN | Preferred Map Code: | Cbn |
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Status Code: | Pending Upgrade | ||
Age range: | Llandovery Epoch (SL) — Llandovery Epoch (SL) | ||
Lithological Description: | Massive to thick-bedded conglomerates with subordinate beds of pebbly coarse sandstone. | ||
Definition of Lower Boundary: | Not defined. | ||
Definition of Upper Boundary: | Not defined. | ||
Thickness: | Not defined. | ||
Geographical Limits: | Central Wales. | ||
Parent Unit: | Not Available (!) | ||
Previous Name(s): | [Obsolete Code: Use CBN]
(*46)
Caban Conglomerates [Obsolete Name and Code: Use CBN] (-2059) Drygarn Conglomerate [Obsolete Name And Code: Use CBN] (DNC) Caban Conglomerate Formation (formerly Facies) [Obsolete Name and Code: Use CBN] (-2670) Drygarn Conglomerate [Obsolete Name and Code: Use CBN] (-2671) |
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Alternative Name(s): | none recorded or not applicable | ||
Stratotypes: | |||
Type Area | Quarry at north-east end of Caban-coch Reservoir, Rhayader. | ||
Reference(s): | |||
Lapworth, H, 1900. The Silurian sequence at Rhayader. Quarterly Journal of the Geological Society, Vol.56, p.67-137. | |||
1:50K maps on which the lithostratigraphical unit is found, and map code used: | |||
E179 E195 |