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Data Sources
Topo
Ecoregions
Public Lands
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BASEMAPS
Default Weather
Temperature
Smoke
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WEATHER
Dakota Group
Geologic Formation
in
UT
,
CO
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Lithology
Shale
Mudstone
Lignite
Other
(14,137 mi²)
Geologic Age
Early Cretaceous (145 Ma – 100.5 Ma ago)
(7,324 mi²)
Aptian – Cenomanian (125 Ma – 93.9 Ma ago)
(36 mi²)
Jurassic – Cretaceous (201.5 Ma – 66 Ma ago)
(40 mi²)
Other
(297 mi²)
Geologic Unit Label
Kd
(7,621 mi²)
K1
(36 mi²)
KJdr
(40 mi²)
Other
(625 acres)
Fossils
Neochonetes granulifer
SPECIES
99
Observations
Chonetina
GENUS
64
Observations
Anomiidae
FAMILY
52
Observations
JAN - DEC
Chonetes flemingi
SPECIES
40
Observations
Borissiakoceras
GENUS
40
Observations
JAN - DEC
See All
Taxonomy
Geographic Places
307
Geological Feature
46
Geologic Formation
Classified As
Geologic Formation
Dakota Group
Dakota Group
Dakota Group
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