Category:Shale formations in Montana

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Subcategories

This category has the following 28 subcategories, out of 28 total.

.

Missoula Group (geology) (2 C)

B

Bearpaw Formation (10 C, 8 F)
Bearpaw Shale (1 C)
Belle Fourche Formation (1 C, 2 F)
Benton Shale (6 C, 33 F)

C

E

Ellis Group (geology) (3 C, 3 F)
Exshaw Formation (1 C)

F

Fort Union Formation (5 C, 4 F)
Frontier Formation (4 C, 3 F)

G

Greyson Shale (1 C, 3 F)

H

Heath Formation (Montana geology) (3 C, 13 F)

K

Kishenehn Formation (6 C, 9 F)

L

Lebo Member, Fort Union Formation (1 C, 1 F)

M

Marias River Shale (1 C)
Mowry Shale (6 C, 11 F)

P

Pierre Shale (8 C, 16 F)
Pierre Shale in Montana (4 F)

S

T

W

Willow Creek Formation (2 C)
Wolsey Shale (3 C, 2 F)

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