The BGS Lexicon of Named Rock Units — Result Details

Red Cliff Hole Member

Computer Code: RDCH Preferred Map Code: notEntered
Status Code: Full
Age range: Cenomanian Age (KE) — Cenomanian Age (KE)
Lithological Description: Dark red and grey nodular limestones. Aucellina and brachiopods common throughout, belemnite-rich at the base.
Definition of Lower Boundary: Boundary placed at the change from marly limestone of the Weather Castle Member into red and grey strongly nodular limestones of the Red Cliff Hole Member. Jeans (1973, 1980) took the Red Cliff Hole Member-Weather Castle Member boundary to define the top of his Red Chalk.
Definition of Upper Boundary: Up-section change from dark red and grey strongly nodular limestone of the Member into white chalks of the Ferriby Chalk Formation.
Thickness: 5.6m.
Geographical Limits: Recognized only on the Yorkshire coast near Speeton.
Parent Unit: Hunstanton Formation (HUCK)
Previous Name(s): none recorded or not applicable
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Section  Red Cliff Hole, Filey Bay, Yorkshire [TA 1566 7502]. See Mitchell (1995). 
Reference(s):
Jeans, C V. 1973. The Market Weighton Structure: tectonics, sedimentation and diagenesis during the Cretaceous. Proceedings of the Yorkshire Geological Society, Vol.39, 409-444. 
Jeans, C V. 1980. Early submarine lithification in the Red Chalk and Lower Chalk of Eastern England; a bacterial control model and its implications. Proceedings of the Yorkshire Geological Society, Vol.43, 81-157. 
Mitchell, S F. 1995. Lithostratigraphy and biostratigraphy of the Hunstanton Formation (Red Chalk, Cretaceous) succession at Speeton, North Yorkshire, England. Proceedings of the Yorkshire Geological Society, Vol.50, 285-303. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
none recorded or not applicable