Abstract
Abstract Dinoflagellate cysts and miospores from coal measures and overlying marginal marine sediments of the Broken River Formation (Eyre Group) at Mt Somers, Canterbury, New Zealand, represent the Palaeocystodinium australinum and Apectodinium homomorphum dinoflagellate zones of Wilson and the PM3 miospore zone of Raine. They are of Teurian (Paleocene) to early Waipawan (Late Paleocene—Early Eocene) age. In their relative abundances the microfossils indicate an increasingly marine environment of deposition, as well as the Paleocene—Eocene warming trend demonstrated elsewhere.
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