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Learn the geologic formation at your feet

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Rock Formations

Measure

Copyright © Natural Atlas | Roads, Buildings © OSM Contributors | Data Sources

Topo

Ecoregions

Public Lands

...

BASEMAPS

Default Weather

Temperature

Smoke

...

WEATHER

Park Formation

Geologic Formation in MT

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Lithology

Other (2,283 mi²)

Geologic Age

Middle Cambrian (521 Ma – 497 Ma ago) (378 mi²)

Middle Cambrian – Furongian (521 Ma – 487.3 Ma ago) (329 mi²)

Middle Cambrian (521 Ma – 497 Ma ago) (146 mi²)

Other (79 mi²)

Geologic Unit Label

CApif (378 mi²)

CAsrf (125 mi²)

CArf (187 mi²)

Other (242 mi²)

Beetle Fossil Coleoptera (order), “Beetles”

53 Observations

Arthropod Fossil Arthropoda (phylum), “Arthropods”

44 Observations

Fly Fossil Diptera (order), “True Flies”, “Dipterous”, “True Fly”, “Flies”

43 Observations

Hymenoptera ORDER · “Ants”, “Bees”, “Wasps and Sawflies”

21 Observations

Bug Fossil Hemiptera (order), “True Bugs”

20 Observations

Taxonomy

Geographic Places

Geological Feature

Geologic Formation

Classified As

Geologic Formation

Park Formation

Park Formation

Park Formation