Reports

Vertebrate Evidence of a Low Sea Level in the Middle Pliocene

Science  21 Apr 1967:
Vol. 156, Issue 3773, pp. 379
DOI: 10.1126/science.156.3773.379

Abstract

Marine and untransported terrestrial vertebrates of Middle Pliocene (Hemphillian) age occur together in well-sorted, sandy, phosphatic gravels at an elevation of 1.8 to 3 meters in Manatee County, Florida. If no crustal warping of the Late Cenozoic age has occurred in this part of Florida (as investigators generally agree), the sea must have approached its present level 4 to 7 million years ago.

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