ammonites
Ninemile 15, Deadwood Formation, Custer county, South Dakota - Stitt 1998 (Cambrian of the United States)

Where: Custer county County, South Dakota (43.7° N, 103.7° W: paleocoordinates 11.6° S, 87.6° W)

• outcrop-level geographic resolution

When: Cedarina dakotaensis zone, Deadwood Formation, Menevian (513.0 - 501.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: offshore; lithified, burrowed, glauconitic, green, yellow sandstone

• section is 29 m thick. consists of mottled purple, redish to pink, yellowish or light green, thin to medium-bedded, fine to medium grained, glauconitic burrowed sandstone with trace fossils.

Preservation: trace, replaced with silica

Collection methods: Collection made by Christina Lochman-Balk. The lithologic descriptions of the section are derived from Lochman-Balk's field notes and Stitt's field reconnaissance.

Primary reference: J. H. Stitt. 1998. Trilobites from the Cedarina dakotaensis zone, lowermost part of the Deadwood Formation, (Marjuman Stage, Upper Cambrian), Black Hills South Dakota. Journal of Paleontology 72(6):1030-1046 [M. Patzkowsky/P. Borkow/J. Alroy] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 8274: authorized by Mark Patzkowsky, entered by Phil Borkow on 03.07.2000