Where: Washington County, Virginia (36.8° N, 82.3° W: paleocoordinates 30.0° S, 66.5° W)

• coordinate stated in text

• local area-level geographic resolution

When: Chazyan to Chazyan (470.0 - 449.6 Ma)

• "Because of lack of definitive lithologic and faunal data and the narrow outcrop belt, these rocks are mapped as Middle Ordovician, undivided."

• formation-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified, concretionary, gray, red limestone and shelly/skeletal, brown, calcareous shale

Primary reference: C. S., J.r. Bartlett and H. W. Webb. 1971. Geology of the Bristol and Wallace quadrangles, Virginia. Virginia Division of Mineral Resources Report of Investigations 25:1-93 [J. Alroy/M. Sommers/P. Wagner]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 6990: authorized by John Alroy, entered by Mike Sommers on 18.04.2000

Creative Commons license: CC BY (attribution)