List of fossiliferous stratigraphic units in Idaho

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This article contains a list of fossil-bearing stratigraphic units in the state of Idaho, U.S.

Contents

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Group or FormationPeriodNotes
American Falls Lake Bed E Formation
Arco Hills Formation Carboniferous
Beaverdam Formation Neogene
Black Mesa Gravel Formation
Bruneau Formation Pliocene-Pleistocene
Chalk Hills Formation Neogene
Challis Volcanics Formation Paleogene
Clarkia Formation Neogene
Coon Hollow Formation Jurassic
Dinwoody Formation Triassic
Elkhead Limestone Cambrian
Garden City Formation Ordovician
Glenns Ferry Formation Pliocene
Hole Formation Neogene
Idavada Volcanics Formation Neogene
Imnaha Basalt Formation Neogene
Jefferson Formation Devonian
Lakeview Formation Cambrian
Langston Formation Cambrian
Latah Formation Neogene
Lead Bell Shale (Spence Shale) Formation Cambrian
Little Flat Formation Carboniferous
Lodgepole Formation Carboniferous
Lodgepole Limestone Carboniferous
Martin Bridge Formation Triassic
McGowan Creek Formation Carboniferous
Meade Peak Formation Permian
Middle Canyon Formation Carboniferous
Monroe Canyon Formation Carboniferous
Muldoon Canyon Formation Carboniferous
Park City Formation Permian
Peterson Creek Beds Formation
Phi Kappa Formation Silurian, Ordovician
Phosphoria Formation Permian
Poison Creek Formation Neogene
Railroad Canyon Beds Formation Neogene
Rennie Shale Cambrian
Sage Junction Formation Cretaceous
Salmon City Formation Paleogene
Salt Lake Formation Miocene-Pliocene
Saturday Mountain Formation Ordovician
Seven Devils Group/Martin Bridge Formation Triassic
Snaky Canyon Formation Permian
St. Charles Formation Cambrian
Starlight Formation Neogene
Surrett Canyon Formation Carboniferous
Thaynes Formation Triassic
Thaynes Formation Triassic
Thaynes Formation Triassic
Thaynes Group/Thaynes Formation Triassic
Trail Canyon Formation Permian
Twin Creek Formation Jurassic
Ute Formation Cambrian
Valmy Group/Phi Kappa Formation Ordovician
Wayan Formation Cretaceous
White Knob Formation Permian
Woodside Formation Triassic

See also

Related Research Articles

Thaynes Limestone

The Thaynes Formation is a geologic formation in Montana and Idaho. It preserves fossils dating back to the Triassic period, such as Ammonoidea, Actinopterygii, Actinistia, Conodonta, Gastropoda, Nautiloidea, Ichthyosauria and others. A diverse fauna known as the Paris Biota has been described from the Thaynes Formation.

The Lakeview Formation is a geologic formation in Idaho. It preserves fossils dating back to the Cambrian period.

Langston Formation

The Langston Formation is a geologic formation in Idaho and Utah. It preserves fossils dating back to the Cambrian period. The formation is composed of bluish-gray limestone, weathering to a buff color, often with rounded edges.

The St. Charles Formation is a geologic formation in Idaho. It preserves fossils dating back to the Cambrian period.

The Muldoon Canyon Formation is a geologic formation in Idaho. It preserves fossils dating back to the Carboniferous period.

The Surrett Canyon Formation is a geologic formation in Idaho. It preserves fossils dating back to the Carboniferous period.

The Sage Junction Formation is a geologic formation in Idaho. It preserves fossils dating back to the Cretaceous period.

The Coon Hollow Formation is a geologic formation in Idaho. It preserves fossils dating back to the Jurassic period.

The Twin Creek Formation is a geologic formation in Idaho. It preserves fossils dating back to the Jurassic period.

The Poison Creek Formation is a geologic formation in Idaho. It preserves fossils dating back to the Neogene period.

The Garden City Formation is a geologic formation in Idaho. It preserves fossils dating back to the Ordovician period.

The Challis Volcanics is a geologic formation in Idaho. It preserves fossils dating back to the Paleogene period.

The Salmon City Formation is a geologic formation in Idaho. It preserves fossils dating back to the Paleogene period.

The Snaky Canyon Formation is a geologic formation in Idaho. It preserves fossils dating back to the Permian period.

The White Knob Formation is a geologic formation in Idaho. It preserves fossils dating back to the Permian period.

The Martin Bridge Formation is a geologic formation in Idaho. It preserves fossils dating back to the Triassic period.

The Peterson Creek Beds Formation is a geologic formation in Idaho. It preserves fossils.

The Valmy Group is a geologic group in Idaho. It preserves fossils dating back to the Ordovician period.

The Seven Devils Group is a geologic group in Idaho. It preserves fossils dating back to the Triassic period.

The Thaynes Group is a geologic group in Idaho. It preserves fossils dating back to the Triassic period.

References