ammonites
USGS Loc. 13589, Jim Creek LS member, Root Shale formation (Carboniferous of the United States)

Where: Wabaunsee County, Kansas (39.2° N, 96.1° W: paleocoordinates 1.6° S, 27.8° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Jim Creek Limestone Member (Root Shale Formation), Noginian (301.2 - 300.2 Ma)

• Noginskian stage is equivalent to the Virgilian stage

• member-level stratigraphic resolution

Environment/lithology: marine; limestone

• Probable discription: Limestone, hard, gray, with purple and green tint, weathers blocky to platy; 1-2 inch limonite-weathered zone; crinoid columnals, small fusulinids, and brachiopod fragments;

•

•Fusulinid tests common in the limestone

Reposited in the USGS

Primary reference: M. R. Mudge, E. L. Yochelson, R. C. Douglas, H. Duncan, H. L. Strimple, M. Gordon, Jr., and D. H. Dunkle. 1962. Stratigraphy and Paleontology of the Uppermost Pennsylvanian and Lowermost Permian Rocks in Kansas. United States Geological Survey Professional Paper 323:1-213 [A. Miller/C. Ferguson/P. Wagner] more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 11623: authorized by Arnold Miller, entered by Chad Ferguson on 27.08.2001