Chalk Group Lithostratigraphy: Northern England - Croxton Marl

Up to 10 mm thick marl, midway between the Grasby Marl and Barton 1 Marl, locally with small closely spaced burrow-form flints beneath, and typically marked by an overhang in quarry faces (Gaunt et al., 1992).

Macrofossil Biozonation: T. lata Zone

Correlation: see Correlation with other Uk Chalk Group successions

References

GAUNT, G D, FLETCHER, T P & WOOD, C J. 1992. Geology of the country around Kingston-upon-Hull and Brigg. Memoir of the British Geological Survey.