Chalk Group Lithostratigraphy: Northern England - High Stacks Flint

This is the highest true flint in the Chalk Group of northern England, and marks the top of the Burnham Chalk Formation and the top of the Lower Hagenowia rostrata Zone of Whitham (1991). It comprises a band of yellow-skinned, smooth, grey flint nodules, 30-50 mm thick.

Macrofossil Biozonation: lower M. coranguinum Zone (= top Lower Hagenowia rostrata Zone of Whitham, 1991)

Correlation: Correlation with other UK Chalk Group successions

References

WHITHAM, F.1991. The stratigraphy of the Upper Cretaceous Ferriby, Welton and Burnham formations north of the Humber, north-east England. Proceedings of the Yorkshire Geological Society, Vol. 48(3), 227-255.