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Alachua, Siderastrea reef [Hawthorn Gp] (Miocene of the United States)

Also known as Reef 3279

Where: Alachua County, Florida (29.9° N, 82.5° W: paleocoordinates 30.3° N, 78.4° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

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

• LITHOSTRATIGRAPHY: Previously assigned to the Shoal River Fm or the Alum Group (=Middle Miocene). Assignment to the Hawthorn Group (=Early Miocene) is more appropriate given the geographic location of this collection.

• group of beds-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; lithified reef rocks

• Siderastrea reef, 12 m thick, within phosphatic sands and clays

Size class: macrofossils

Primary reference: T. W. Vaughan. 1919. Fossil corals from central America, Cuba, and Porto Rico, with an account of the American Tertiary, Pleistocene, and Recent coral reefs. Smithsonian Institution Bulletin 103:189-524 [R. Baron-Szabo/R. Baron-Szabo/M. Uhen] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 71088: authorized by Wolfgang Kiessling, entered by Uta Merkel on 18.04.2007

Creative Commons license: CC BY (attribution)