Gateway to the Paleobiology Database
MGS Loc. 93 (Oligocene of the United States)

Where: Smith County, Mississippi (32.0° N, 89.4° W: paleocoordinates 32.3° N, 82.9° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Byram Formation, Rupelian (33.9 - 28.4 Ma)

• The Byram Formation consists of fossiliferous,calyey sands.Here fossils are well preserved except at the Marquette Cement Mfg. Company quarry. Here, the Byram Formation consists largely of calcium carbonate and fossils are poorly preserved.

• formation-level stratigraphic resolution

Environment/lithology: offshore; poorly lithified, shelly/skeletal, sandy, calcareous claystone and sandstone

Size class: mesofossils

Preservation: original aragonite, original calcite

Collection methods: bulk, mechanical,

• 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 6002: authorized by Linda Ivany, entered by Sarah DeLong on 13.01.2000, edited by Austin Hendy

Creative Commons license: CC BY (attribution)