Where: Sheridan County, Wyoming (44.6° N, 106.2° W: paleocoordinates 47.5° N, 93.2° W)

• coordinate estimated from map

• hand sample-level geographic resolution

When: Wasatch Formation, Eocene (56.0 - 33.9 Ma)

• Base of Felix coal (major coal bed).

Environment/lithology: terrestrial; coal

Size class: microfossils

Preservation: original sporopollenin

Collected by USGS, Denver, Colorado

Collection methods: bulk, chemical, hydrochloric, hydroflouric

• All slides are held in the Denver laboratory of the U.S. Geological Survey.

Primary reference: D. Pocknall. 1986. Palynological data from the Fort Union and Wasatch formations, Powder River basin, Wyoming and Montana. Open-File Report more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 236620: authorized by Phillip Jardine, entered by Hannah Morck on 16.10.2024

Creative Commons license: CC BY (attribution)