Abstract
Palynological analysis of the Price Canyon section in east-central Utah, USA, confirms a late Campanian to late Paleocene age for the interval of Castlegate Sandstone, Price River Formation, and North Horn Formation. This 1100 m thick section represents a series of transgressive-regressive cycles of intertonguing coastal plain, fluvial, coastal margin and nearshore marine sedimentary deposits. Forty-five palynologically productive samples were analyzed. Ranges of the species or generic groups of palynomorphs were compared with time equivalent palynofloras mainly from North America. Two hiatuses were recognized, the most important of which includes the K-T boundary interval. Four biostratigraphic zones, Ka, Kb, Ta and Tb, were defined, and their relative ages correlated with those of other sections in western North America.
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