Note 88 — J. E. MARR, M.A., F.R.S. (continued 4)
Reading edition
The Radiolarian Cherts of the Lower Carboniferous rocks of Devon, and the associated sediments, together with the unconformity between these and the Upper Carboniferous beds are described by Messrs Hinde and Fox, Quart. Journ. Geol. Soc., vol. LI. p. 609.