Where: Knox County, Illinois (40.0° N, 88.0° W: paleocoordinates 6.5° S, 24.3° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Abingdon (?) Coal Member (Spoon Formation), Bashkirian to Bashkirian (323.2 - 298.9 Ma)

• At sample site 23, the Abingdon (?) Coal is separated from the No. 2 Coal by 3 feet of underclay, and at sample site 38 the interval of underclay between the Abingdon (?) Coal and the No. 2 Coal is 16 inches.

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; coal

Size class: microfossils

Collection methods: core, chemical, mechanical,

Primary reference: R. A. Peppers. 1970. Correlation and Palynology of Coals in the Carbondale and Spoon Formations (Pennsylvanian) of the Northeastern Part of the Illinois Basin. Illinois State Geological Survey Bulletin 93:1-174 [H. Sims/H. Lindon/J. Cassara]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 23566: authorized by Hallie Sims, entered by Heather Lindon on 17.07.2002

Creative Commons license: CC BY (attribution)