Reports

Environmental Significance of Palynomorphs from Lower Eocene Sediments of Arkansas

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Science  27 Oct 1961:
Vol. 134, Issue 3487, pp. 1366
DOI: 10.1126/science.134.3487.1366

Abstract

Spores and pollen present in sediments of the lower Eocene Wilcox group in south-central Arkansas are mixed temperate and tropical genera. The source area is postulated to have been temperate highlands adjacent to a tropical coastal plain. A similar interpretation based on plant megafossils has been made. Hystrichosphaerids and dinoflagellates found in the sediments suggest a depositional environment of brackish water.

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