Wardell Formation, along State Highway 16 (Ordovician of the United States)

Where: Tazewell County, Virginia (37.0° N, 81.0° W: paleocoordinates 30.0° S, 61.5° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Wardell Formation, Caradocian (460.9 - 449.5 Ma)

• Blackriveran

• formation-level stratigraphic resolution

Environment/lithology: coarse-grained, gray limestone

• Light-gray coarse-grained clastic limestone, mostly pinkish, resembles Holston marbles of Tennessee, a few inches to 25 feet thick.

Size class: macrofossils

Primary reference: B. N. Cooper and C. E. Prouty. 1943. Stratigraphy of the Lower Middle Ordovician of Tazewell County, Virginia. Bulletin of the Geological Society of America 54:819-886 [S. Holland/T. Hanson/T. Hanson]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 34258: authorized by Steven Holland, entered by Tori Hanson on 25.08.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

• Fossils are moderately abundant, but nearly all are too fragmented for identification
"Cystoid" sp.
cystoid stem-plates
"Crinoid" sp.
crinoid stem-plates