A FORAMINIFERAL MARKER HORIZON IN THE AMPTHILL CLAY (UPPER JURASSIC) OF EASTERN ENGLAND
- 1 March 1976
- journal article
- Published by Geological Society of London in Proceedings of the Yorkshire Geological and Polytechnic Society
- Vol. 41 (1) , 27-34
- https://doi.org/10.1144/pygs.41.1.27
Abstract
SUMMARY: The foraminifer Glomospira gordialis (Jones & Parker) occurs in flood proportions over a limited stratigraphical range in the Ampthill Clay, and its horizon provides a useful marker. The incoming represents a significant change in the foraminiferal assemblages, from calcareous to arenaceous forms.This publication has 1 reference indexed in Scilit:
- On the Rhizopodal Fauna of the Mediterranean, compared with that of the Italian and some other Tertiary DepositsQuarterly Journal of the Geological Society, 1860