USGS locality 6110, 6 miles east of walden, North park field (Paleocene of the United States)
Where: Colorado (40.7° N, 106.2° W: paleocoordinates 46.6° N, 85.8° W)
• coordinate estimated from map
When: Coalmont Formation, Paleocene (66.0 - 56.0 Ma)
Environment/lithology: fluvial; sandstone and coal
• Lower 3000 to 4000 ft are dark colored coal bearing upper 2,000 ft are light colored barren SS and conglomerates - Brown does not specify where this collection came from.
Reposited in the USNM
Collection methods: quarrying, mechanical,
• Collected by A.L. Beekly and party on Oct. 17, 1911.
Primary reference: R. W. Brown. 1962. Paleocene flora of the Rocky Mountains and Great Plains. United States Geological Survey Professional Paper 375:1-119 [P. Wilf/J. Sessa/M. Uhen]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 53018: authorized by Peter Wilf, entered by Jocelyn Sessa on 31.08.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
• Species lists for Brown 1962 were compiled from the publication and provided for the Paleobiology Database by Drs. Steven R. Manchester and Peter R. Crane.
Show authors, comments, and common names
| Angiospermae | |
|
Nordenskioldia borealis Heer 1870 | |
|
Cercidiphyllum arcticum katsura | |
|
Betula stevensoni birch | |