Chalk Group Lithostratigraphy: Northern England - Maidland Tilestone

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Recognised by Mitchell (1994), it comprises a c. 1.8 m thick unit of thin-bedded (c. 0.1 m) chalk, conspicuous in cliff sections, and containing an acme of the crinoid Uintacrinus socialis.

Macrofossil Biozonation: U. socialis Zone

Correlation: see Correlation with other UK Chalk Group successions

References

MITCHELL, S F. 1994. New data on the biostratigraphy of the Flamborough Chalk Formation (Santonian, Upper Cretaceous) between South Landing and Danes Dyke, North Yorkshire. Proceedings of the Yorkshire Geological Society, Vol. 50, 113-118.

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