The Alston Formation is a geological formation in England. It preserves fossils dating back to the Viséan to Serpukhovian (Asbian, Brigantian and Pendleian in British stratigraphy) stages of the Carboniferous period.
See also List of fossiliferous stratigraphic units in England
References
Further reading J. G. Donald. 1895. The genus Murchisonia and its allies. Quarterly Journal of the Geological Society of London 51(2):210-234