ammonites
Pamunkey River - 0.3 mile above Horseshoe (Miocene of the United States)

Also known as USGS Locality 26421

Where: Hanover County, Virginia (37.7° N, 77.1° W: paleocoordinates 37.8° N, 75.4° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Claremont Member (Eastover Formation), Late/Upper Miocene (11.6 - 5.3 Ma)

• 8 feet thick bed

• bed-level stratigraphic resolution

Environment/lithology: coastal; unlithified, burrowed, fine-grained, pebbly, gray, green, silty sandstone

• Sand, greenish-gray (5 GY 5/1), fine to medium, silty, clayey, poorly sorted; pebbles along contact with burrows extending down into underlying clay; few molds of Glossus

Size class: macrofossils

Preservation: mold/impression

Reposited in the USGS

Primary reference: L. W. Ward. 1985. Stratigraphy and Characteristic Mollusks of the Pamunkey Group (Lower Tertiary) and the Old Church Formation of the Chesapeake Group-Virginia Coastal Plain. United States Geological Survey Professional Paper (1346)1-77 [A. Miller/D. Buick] more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 60629: authorized by Arnold Miller, entered by Devin Buick on 19.05.2006