Chalk Group Lithostratigraphy: Northern England - Daneswood Upper Marl
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This is a c. 50 mm thick, grey, clayey marl (Whitham, 1993).
Macrofossil Biozonation: I. lingua Zone
Correlation: see Correlation with other UK Chalk Group successions
References
WHITHAM, F.1993. The stratigraphy of the Upper Cretaceous Flamborough Chalk Formation north of the Humber, north-east England. Proceedings of the Yorkshire Geological Society, Vol. 49(3), 235-258.