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Jackson Bluff Formation

Geologic Formation in FL

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Lithology

Sand

Clay

Geologic Age

Pliocene (5.33 Ma – 2.58 Ma ago)

Geologic Unit Label

POjb

The Jackson Bluff Formation, named by Vernon and Puri (1964), occurs at or near the surface in a limited area of the panhandle in Leon, Liberty and Wakulla Counties. It has attracted much attention due to its abundant fossil molluscan fauna (Huddlestun, 1984; Schmidt, 1984). In the outcrop area, the Jackson Bluff Formation is described as a sandy, clayey shell bed (Schmidt, 1984). It is composed of tan to orange-brown to gray green, poorly consolidated, fossiliferous, sandy clays to clayey sands. Fossils present include abundant mollusks, corals, foraminifers and occasional vertebrate remains.

— USGS

Taxonomy

Classified As

Geologic Formation