Gateway to the Paleobiology Database
MGS # 34b (Oligocene of the United States)

Where: Wayne County County, Mississippi (31.0° N, 88.7° W: paleocoordinates 31.3° N, 82.3° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Red Bluff Formation, Rupelian (33.9 - 28.4 Ma)

• Red Bluff overlies upper Eocene Yazoo Clay at this locality

• formation-level stratigraphic resolution

Environment/lithology: offshore; unlithified, gray, silty claystone and ironstone

• fossiliferous, dark gray, silty clay with zones of ironstone concretions in lower part

Size class: mesofossils

Preservation: original aragonite, original calcite

Collection methods: surface (in situ),

• bivalves only

Primary reference: D. T. Dockery. 1982. Lower Oligocene Bivalvia of the Vicksburg Group in Mississippi. Mississippi Department of Natural Resources Bureau of Geology 123:1-261 [L. Ivany/S. DeLong] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 5500: authorized by Linda Ivany, entered by Sarah DeLong on 07.10.1999

Creative Commons license: CC BY (attribution)