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Data Sources
Topo
Ecoregions
Public Lands
...
BASEMAPS
Default Weather
Temperature
Smoke
...
WEATHER
Frontier Formation
Geologic Formation
in
UT
,
WY
,
ID
,
MT
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Lithology
Sandstone
Shale
Coal
Other
(9,728 mi²)
Geologic Age
Late Cretaceous (100.5 Ma – 66 Ma ago)
(1,123 mi²)
Early Cretaceous – Late Cretaceous (145 Ma – 66 Ma ago)
(141 mi²)
Cenomanian – Turonian (100.5 Ma – 90.1 Ma ago)
(372 mi²)
Other
(347 mi²)
Geologic Unit Label
Kf
(1,495 mi²)
Kft
(139 mi²)
K2
(106 mi²)
Other
(243 mi²)
Fossils
Tracheophyta
PHYLUM
133
Observations
JAN - DEC
Verneuilina canadensis
SPECIES
80
Observations
Rzehakinidae
FAMILY
61
Observations
Polypodiales
ORDER
55
Observations
JAN - DEC
Cladophlebis
GENUS
48
Observations
JAN - DEC
See All
Taxonomy
Geographic Places
307
Geological Feature
46
Geologic Formation
Classified As
Geologic Formation
Frontier Formation
Frontier Formation
Frontier Formation
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