USGS locality 337 Mount Bross, Hot Sulfur Springs, CO Middle Park Fm: Paleocene, Colorado

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Polypodiopsida - Schizaeales - Anemiaceae
Anemia elongata leaf (Newberry 1863)
Coniferales - Cupressaceae
Glyptostrobus nordenskioldi leaf
Angiospermae - Laurales - Lauraceae
Persea brossiana leaf (Lesquereux 1878)
Angiospermae - Saxifragales - Saxifragaceae
Hydrangea antica leaf
Angiospermae - Saxifragales - Cercidiphyllaceae
Cercidiphyllum arcticum leaf
Angiospermae - Cornales - Cornaceae
Cornus hyperborea leaf Heer 1871
Angiospermae - Lamiales - Oleaceae
Fraxinus eocenica leaf Lesquereux 1878
Angiospermae - Proteales - Platanaceae
Platanus raynoldsi leaf Newberry 1868
Platanus nobilis leaf Newberry 1868
Angiospermae - Fabales - Fabaceae
Leguminosites coloradensis leaf Knowlton 1922
Angiospermae - Moraceae
Ficus artocarpoides leaf Lesquereux 1883
Angiospermae - Vitales - Vitaceae
Ampelopsis acerifolia leaf (Newberry 1868)
Vitis olriki leaf Heer 1868
see common names

Geography
Country:United States State/province:Colorado County:Grand
Coordinates: 40.1° North, 106.1° West (view map)
Paleocoordinates:45.9° North, 85.9° West
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:Middle Park Local bed:F
Stratigraphic resolution:group of beds
Stratigraphy comments: 'The outcrop is on the southern face of the mountain 25 feet above a conglomerate, which forms a prominent bench at about 1000 feet above the base of the mountain.' From USGS unpublished log book.
Lithology and environment
Primary lithology: sandy conglomerate
Secondary lithology: "shale"
Lithology description: 'Middle Park: basal breccia and conglomerate, andesitic shales and sandstones, and thin coal seams.' From Brown 1962.
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 geologist L. Cannon, in the summer of Summer 1889.
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 337, USGS locality 338, USGS locality 8787
Database number:40061
Authorizer:P. Wilf Enterer:J. Sessa
Modifier:J. Sessa Research group:paleobotany
Created:2004-06-16 13:05:41 Last modified:2004-06-16 16:05:42
Access level:the public Released:2004-06-16 13:05:41
Creative Commons license:CC BY
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]