Also known as USGS Locality 26381

Where: Calvert County, Maryland (38.7° N, 76.7° W: paleocoordinates 38.9° N, 73.2° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Calvert Formation (Chesapeake Group), Burdigalian to Burdigalian (20.4 - 11.6 Ma)

• 1 foot thick bed

• bed-level stratigraphic resolution

Environment/lithology: coastal; poorly lithified, medium-grained, gray, yellow sandstone

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 60858: authorized by Arnold Miller, entered by Devin Buick on 26.05.2006, edited by Austin Hendy

Creative Commons license: CC BY (attribution)