Category:Geologic formations in Idaho

• Fossiliferous formations in Idaho‎ (20 C, 1 F)
• Geologic formations in Idaho by geochronology‎ (24 C)
• Geologic formations of Yellowstone National Park‎ (14 C)
• Minerals of Idaho by geologic formation‎ (1 C)
• Geologic groups in Idaho‎ (2 C)

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• Geologic formations of volcanic origin in Idaho‎ (1 C)
• Idaho Group‎ (2 C)
• Madison Group (geology)‎ (8 C, 4 F)
• Ore-bearing formations in Idaho‎ (5 C)

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• Scientific articles regarding geologic formations in Idaho‎ (14 C)

B

• Blue Dragon Flow‎ (4 C, 10 F)
• Bruneau Formation‎ (2 C, 5 F)
• Burke Formation (geology)‎ (7 F)

C

• Cody Shale‎ (3 C, 4 F)
• Columbia River Basalt Group‎ (15 C, 1 P, 45 F)
• Coon Hollow Formation‎ (1 C)
• Cougar Point Welded Ash-Flow Tuff (Miocene; Grasmere, Idaho)‎ (3 F)
• Croesus Stock‎ (2 F)

D

• Deer Creek Stock‎ (2 F)

E

• Eureka Quartzite‎ (1 C, 2 F)

F

• Farmington Canyon Complex‎ (1 C, 3 F)
• Fish Haven Dolomite‎ (1 C, 1 F)
• Frontier Formation‎ (4 C, 3 F)

G

• Ginkgo Basalt‎ (3 C, 2 F)
• Glenns Ferry Formation‎ (2 C, 11 F)

I

• Idaho Batholith‎ (7 C, 1 F)

K

• Kilgore Tuff‎ (2 F)

L

• Latah Formation‎ (76 C, 49 F)

M

• Martin Bridge Limestone‎ (1 C)
• Mazama Ash‎ (6 C, 1 F)
• McGowan Creek Formation‎ (1 C)
• Mesa Falls Tuff‎ (3 C, 8 F)
• Middle Canyon Formation‎ (1 C)
• Morrison Formation‎ (13 C, 24 F)

N

• Nugget Sandstone‎ (3 C, 7 F)

P

• Phosphoria Formation‎ (11 C, 66 F)
• Phosphoria Formation in Idaho‎ (5 C, 24 F)
• Prichard Formation‎ (7 F)
• Priest River Complex‎ (2 F)

R

• Revett Formation‎ (7 F)
• Roberts Mountains Formation‎ (1 C)
• Rooks Creek Stock‎ (2 F)

S

• Saturday Mountain Formation‎ (1 C)
• Spence Shale‎ (2 C, 2 F)
• St. Regis Formation‎ (7 F)
• Starlight Formation‎ (2 C)
• Striped Peak Formation‎ (7 F)
• Swan Peak Formation‎ (1 C)

T

• Thaynes Limestone‎ (1 C, 4 F)

W

• Wallace Formation‎ (7 F)
• Wayan Formation‎ (2 C, 4 F)