Publication Date:
1928-08-01
Description:
Of the more recent accounts of the Middle and Upper Chalk of Cambridge, only that of Jukes-Browne employs the definitions of zonal boundaries now usually accepted in England; for the most part, the horizons to which he refers the exposures are correct.
Print ISSN:
0016-7568
Electronic ISSN:
1469-5081
Topics:
Geosciences