Chalk Group Lithostratigraphy: Northern England - Deepdale Flint

A bed of flattened flints up to 80 mm thick, locally becoming semitabular, and usually overlain by a nodular flint band containing the lowest recorded specimens of the echinoid Infulaster (Wood & Smith, 1978). The Deepdale flint is named after Deepdale Pit [TA 0455 1820], and appears to correspond with a nodular flint below the Twin Marl in East Anglian successions, and possibly the Caburn Flints in the lower Lewes Nodular Chalk Member of southern England (Mortimore & Wood, 1986).

Macrofossil Correlation: T. lata Zone

Correlation: see Correlation with other UK Chalk Group successions

References

MORTIMORE, R N & WOOD, C J.1986. The distribution of flint in the English Chalk, with particular reference to the 'Brandon Flint Series' and the high Turonian flint maximum. In SIEVEKING, G de C & HART, M B. The scientific study of flint and chert. Cambridge University Press, Cambridge.

WOOD C J & SMITH, E G.1978. Lithostratigraphical classification of the Chalk in North Yorkshire, Humberside and Lincolnshire. Proceedings of the Yorkshire Geological Society, Vol. 42(2), 263-287.

See: Twin Marl, Caburn Flints, Lewes Nodular Chalk Member