The BGS Lexicon of Named Rock Units — Result Details
Beacon Hill Flags
| Computer Code: | BHF | Preferred Map Code: | notEntered |
|---|---|---|---|
| Status Code: | Index Level | ||
| Age range: | Marsdenian Substage (CZ) — Marsdenian Substage (CZ) | ||
| Lithological Description: | Thinly laminated flaggy sandstones. | ||
| Definition of Lower Boundary: | none recorded or not applicable | ||
| Definition of Upper Boundary: | none recorded or not applicable | ||
| Thickness: | c.10m | ||
| Geographical Limits: | West Yorkshire [Beacon Hill, south of Ripponden, Yorkshire]. | ||
| Parent Unit: | Millstone Grit Group [See Also MIGR] (MG) | ||
| Previous Name(s): | Beaconsfield Flags
(-695)
Beacon Hill Tuff Formation [Obsolete Name and Code: Use BHF, CMBH] (-3212) |
||
| Alternative Name(s): | none recorded or not applicable | ||
| Stratotypes: | |||
| none recorded or not applicable | |||
| Reference(s): | |||
| Green, A H and others. 1878. Yorkshire Coalfield. Memoirs of the Geological Survey of Great Britain, 27-33. | |||
| Wray, D A et al, 1930. Geology of the country around Huddersfield and Halifax. Memoir of the Geological Survey of Great Britain. | |||
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: | |||
| E086 E077 | |||