USGS locality 2423, 40 miles north of Billings MT, Bull Mountians, Fort Union Fm: Paleocene, Montana

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Angiospermae - Garryales - Eucommiaceae
Angiospermae - Fagales - Betulaceae
Angiospermae - Fagales - Juglandaceae
see common names

Geography
Country:United States State/province:Montana
Coordinates: 45.8° North, 108.5° West (view map)
Paleocoordinates:55.0° North, 73.6° West (Wright 2013)
Basis of coordinate:based on political unit
Time
Period: Paleogene Epoch: Paleocene
10 m.y. bin: Cenozoic 1
Key time interval: Paleocene
Age range of interval: 66 - 56 m.y. ago
Stratigraphy
Formation:Fort Union
Stratigraphic resolution:formation
Stratigraphy comments: upper Fort Union Fm
Lithology and environment
Primary lithology: coal
Environment:fluvial indet.
Taphonomy
Collection methods and comments
Collection methods:selective quarrying,mechanical,field collection
Reason for describing collection:taxonomic analysis
Museum repositories:USNM
Collection method comments: Specimens were collected by Hayden and Peale, August 17, 1883
Taxonomic list comments: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.
Metadata
Also known as:USGS locality 2423, USGS locality 4984
Database number:40104
Authorizer:P. Wilf Enterer:J. Sessa
Modifier:J. Sessa Research group:paleobotany
Created:2004-06-17 14:52:45 Last modified:2025-02-22 15:12:02
Access level:the public Released:2004-06-17 14:52:45
Creative Commons license:CC0
Reference information

Primary reference:
10820. 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]