The BGS Lexicon of Named Rock Units — Result Details
Bilinguites gracilis Marine Band
Computer Code: | R2A1 | Preferred Map Code: | R2a1 |
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Status Code: | Index Level | ||
Age range: | Marsdenian Substage (CZ) — Marsdenian Substage (CZ) | ||
Lithological Description: | Mudstone. | ||
Definition of Lower Boundary: | none recorded or not applicable | ||
Definition of Upper Boundary: | none recorded or not applicable | ||
Thickness: | none recorded or not applicable | ||
Geographical Limits: | none recorded or not applicable | ||
Parent Unit: | Marsden Formation (MARSD) | ||
Previous Name(s): | Bilinguites Gracilis Marine Band [Obsolete Code: Use R2A1]
(GMB)
Gracilis Marine Band [Obsolete Name And Code: Use R2A1] (GRMB) Reticuloceras Gracile Marine Band [Obsolete Name and Code: Use GMB, GRMB, R2A1] (-4678) |
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Alternative Name(s): | none recorded or not applicable | ||
Stratotypes: | |||
none recorded or not applicable | |||
Reference(s): | |||
Waters, C N, Waters, R A, Barclay, W J, and Davies, J R. 2009. Lithostratigraphical framework for Carboniferous successions of Southern Great Britain (Onshore). British Geological Survey Research Report, RR/09/01. 184pp. | |||
1:50K maps on which the lithostratigraphical unit is found, and map code used: | |||
E142 E059 E077 E078 E086 |