ammonites
Osceola North Roadcut, Burlington Limestone, Sample 15 (Carboniferous of the United States)

Where: St. Clair County, Missouri (38.1° N, 93.7° W: paleocoordinates 21.8° S, 39.6° W)

• outcrop-level geographic resolution

When: Burlington Limestone Formation, Tournaisian (360.7 - 345.3 Ma)

• This section begins within the Sedalia and proceeds through the North-view, Pierson, and Burlington.

• group of beds-level stratigraphic resolution

Environment/lithology: shallow subtidal; poorly lithified, shelly/skeletal, gray dolomite

• Unit 11: Gray, vuggy, rubbly, dolomitized crinoidal wackestone/packstone, lenses of less rubbly lithology in lower half. Equivalent to units 3 through 5 at Bullard-Hunt Quarry Section II. Sample 15 - from lens at 1 ft above base.

Size classes: macrofossils, microfossils

Primary reference: C. Collinson, J. W. Baxter, R. D. Norby, H. R. Lane, and P. D. Brenckle. 1981. Mississippian Stratotypes. International Union of Geological Sciences Subcommission on Carboniferous Stratigraphy Working Group on the Mississippian of the U.S.A. in Conjuction with the 15th Annual Meeting of the North Central Section G.S.A. 1-56 [T. Olszewski/K. Nell] more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 12861: authorized by Tom Olszewski, entered by Katrina Nell on 01.01.2002