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USGS Loc. 75 - Gainesville [Chipola Fm] (Miocene of the United States)

Where: Alachua County, Florida (29.7° N, 82.3° W: paleocoordinates 30.0° N, 78.3° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Hawthorn Group, Early/Lower Miocene (23.0 - 16.0 Ma)

• formation-level stratigraphic resolution

Environment/lithology: marine; unlithified, calcareous marl and unlithified, calcareous sandstone

• marls, sands, clays, for the most part unconsolidated, in places highly calcareous

Size class: macrofossils

Reposited in the USGS

Primary reference: J. R. Gardner. 1947. The Molluscan Fauna of the Alum Bluff Group of Florida. United States Geological Survey Professional Paper (142A-H)1-709 [A. Miller/K. Layou/A. Hendy] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 42432: authorized by Arnold Miller, entered by Karen Layou on 29.07.2004

Creative Commons license: CC BY (attribution)