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Data Sources
Topo
Ecoregions
Public Lands
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BASEMAPS
Default Weather
Temperature
Smoke
...
WEATHER
Blackleaf Formation
Geologic Formation
in
MT
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Lithology
Sandstone
Siltstone
Coal
Other
(8,610 mi²)
Geologic Age
Albian – Cenomanian (113 Ma – 93.9 Ma ago)
(245 mi²)
Albian (113 Ma – 100.5 Ma ago)
(190 mi²)
Albian – Cenomanian (113 Ma – 93.9 Ma ago)
(171 mi²)
Other
(821 mi²)
Geologic Unit Label
Kbl
(245 mi²)
Kbt
(190 mi²)
Kbbv
(171 mi²)
Other
(821 mi²)
Fossils
Squirrel Fossil
Sciuridae (family),
“Squirrel Family”
5
Observations
Neogastroplites americanus
SPECIES
4
Observations
JAN - DEC
Inoceramus
GENUS
2
Observations
JAN - DEC
Sorex
GENUS
2
Observations
Hare Fossil
Lepus (genus),
“The Hare Genus”, “Jackrabbit”
2
Observations
See All
Taxonomy
Geographic Places
307
Geological Feature
46
Geologic Formation
Classified As
Geologic Formation
Blackleaf Formation
Blackleaf Formation
Blackleaf Formation
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