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Data Sources
Topo
Ecoregions
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BASEMAPS
Default Weather
Temperature
Smoke
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WEATHER
Sundance Formation
Geologic Formation
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Lithology
Sandstone
Claystone
Shale
Other
(4,363 mi²)
Geologic Age
Middle Jurassic – Late Jurassic (175.1 Ma – 145 Ma ago)
(759 mi²)
Middle Jurassic – Early Cretaceous (175.1 Ma – 100.5 Ma ago)
(468 mi²)
Triassic – Early Cretaceous (252.23 Ma – 100.5 Ma ago)
(13 mi²)
Other
(18 mi²)
Geologic Unit Label
KJs
(278 mi²)
Jsg
(615 mi²)
KJg
(190 mi²)
Other
(175 mi²)
Fossils
Verneuilinoides
GENUS
457
Observations
Rzehakinidae
FAMILY
186
Observations
Lituolidae
FAMILY
67
Observations
Ammobaculites
GENUS
66
Observations
Spiroplectamminidae
FAMILY
58
Observations
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Taxonomy
Geographic Places
307
Geological Feature
46
Geologic Formation
Classified As
Geologic Formation
Sundance Formation
Sundance Formation
Sundance Formation
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