Abstract
THE marine sediments on Seymour Island, north-eastern Antarctica Peninsula, have produced numerous plant, invertebrate, and vertebrate remains over the past 80 yr (ref. 1). These strata have been regarded as Campanian (late Cretaceous) and Miocene. Dinoflagellate assemblages, reported here for the first time, indicate that some of the Cretaceous beds may be older (Senonian) than previously suspected and that the supposed Miocene beds are instead late Eocene and early Oligocene in age. These Eocene–Oligocene strata are the only known marine sediments of that age exposed on the Antarctic Continent.
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HALL, S. Cretaceous and Tertiary dinoflagellates from Seymour Island, Antarctica. Nature 267, 239–241 (1977). https://doi.org/10.1038/267239a0
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DOI: https://doi.org/10.1038/267239a0
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