USGS locality 6000, about 7 miles west of Walden near Platte River bridge (Paleocene of the United States)
Where: Colorado (40.7° N, 106.4° W: paleocoordinates 46.6° N, 86.0° 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 on Aug. 8, 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 53004: authorized by Peter Wilf, entered by Jocelyn Sessa on 30.08.2005
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 | |
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Metasequoia occidentalis Chaney 1951 dawn redwood | |