ammonites
USGS Loc. 3386 - Roseland Plantation [Oak Grove Sand] (Miocene of the United States)

Where: Decatur County, Georgia (30.9° N, 84.6° W: paleocoordinates 31.3° N, 80.9° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Oak Grove Formation (Alum Bluff Group), Burdigalian (20.4 - 16.0 Ma)

• LITHOSTRATIGRAPHY: From the Oak Grove Fm of the Alum Bluff Gp, for which lithostratigraphic relationships are not discussed. AGE: late Early Miocene, on the basis of macro fossil biostratigraphy. STRATIGRAPHIC RELATIONS: From unknown position within formation.

• formation-level stratigraphic resolution

Environment/lithology: marine; unlithified, gray, green, calcareous sandstone

• grey-green sand, 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 42069: authorized by Arnold Miller, entered by Karen Layou on 23.07.2004

Creative Commons license: CC BY (attribution)