ammonites
Bullard-Hunt Quarry I, Burlington Limestone, Sample 8 (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)

• Lower part of Burlington Limestone exposed at this location, although the base of the formation is covered. The top is an erosional surface. Unit 5: app. 0.5 ft.s

• group of beds-level stratigraphic resolution

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

• Unit 5: Gray dolomitic crinoidal-bryozoan packstone, rubbly (algal?) zone at base. Sample 8 - whole unit.

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 11219: authorized by Tom Olszewski, entered by Katrina Nell on 24.07.2001