Where: Richmond County, Virginia (38.0° N, 76.7° W: paleocoordinates 38.5° N, 57.9° W)
• coordinate stated in text
• outcrop-level geographic resolution
When: Piscataway Member (Aquia Formation), Thanetian (59.2 - 56.0 Ma)
• LITHOSTRATIGRAPHYL From Piscataway Mbr of the Aquia Fm or the Pamunkey Gp. STRATIGRAPHIC RELATIONS: The Piscataway Mbr has an unconformable contact with the underlying Potomac Fm, and with the overlying Paspotansa Mbr of the Aquia Fm. THICKNESS: AGE: Thanetia, based on planktonic foraminiferal and dinoflagellate assemblages. STRATIGRAPHIC POSITION: Between 419 and 449.7 ft (128-137 m) in core.
• member-level stratigraphic resolution
Environment/lithology: offshore; lithified, glauconitic, pebbly, phosphatic, shelly/skeletal, silty sandstone
Size class: macrofossils
Collection methods: COLLECTOR: USGS drilling operation. REPOSITORY: Presumably, material is reposited at USNM or Virginia Museum of Natural History (L. Ward).
Primary reference: R. B. Mixon and D.S. Powars. 1989. Lithostratigraphy and Molluscan and Diatom biostratigraphy of the Haynesville Cores - Outer Coastal Plain of Virginia. United States Geological Survey Professional Paper 1489(A):1-48 [A. Miller/A. Hendy]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 62244: authorized by Austin Hendy, entered by Austin Hendy on 15.07.2006
Creative Commons license: CC BY (attribution)