Category:Shale formations in Illinois

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Subcategories

This category has the following 14 subcategories, out of 14 total.

B

Borden Formation‎ (11 C, 91 F)
Brainard Formation‎ (1 C)

D

Decorah Formation‎ (3 C, 6 F)

F

Fern Glen Formation‎ (1 C)
Francis Creek Shale‎ (2 C, 4 F)

G

Glen Dean Formation‎ (4 C, 11 F)
Glenwood Formation‎ (4 F)
Grassy Creek Shale‎ (1 C, 1 F)

H

Hannibal Shale‎ (1 C, 1 F)

M

Menard Formation‎ (1 C)

N

New Albany Shale‎ (4 C, 63 F)

P

Pyrite concretions (Anna Shale, Middle Pennsylvanian; Sparta area coal mine, Illinois)‎ (6 F)

S

Saverton Shale‎ (1 F)
Sweetland Creek Shale‎ (1 F)

Media in category "Shale formations in Illinois"

The following 2 files are in this category, out of 2 total.

Essexella asherae fossil jellyfish (Mazon Creek Lagerstatte, Francis Creek Shale, Middle Pennsylvanian; coal mine dump pile near Essex, northern Illinois, USA) 1.jpg 1,182 × 1,333; 288 KB
New Albany Stratigraphy.png 1,591 × 1,588; 35 KB

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