Category:Geologic formations of the United States
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Geological formations of the United States.
Subcategories
This category has the following 28 subcategories, out of 28 total.
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- Rock formations of the United States (8 C, 12 P)
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- Precambrian United States (1 C, 25 P)
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- Geologic formations of Puerto Rico (3 C, 12 P)
C
- Cambrian United States (34 C, 11 P)
- Carboniferous United States (34 C, 13 P)
- Cenozoic United States (22 C, 2 P)
D
- Demopolis Chalk (11 P)
- Devonian United States (34 C, 14 P)
E
- Ediacaran United States (3 C, 3 P)
- Eocene United States (1 C, 14 P)
H
- Hell Creek Formation (1 C, 7 P)
J
- Jurassic United States (23 C, 12 P)
M
- Mesozoic United States (18 C)
- Miocene United States (2 C, 21 P)
- Mississippian United States (2 C, 36 P)
N
- Neogene United States (31 C, 19 P)
O
- Ojo Alamo Formation (12 P)
- Ordovician United States (34 C, 22 P)
P
- Paleogene United States (32 C, 25 P)
- Paleozoic United States (20 C, 4 P)
- Permian United States (22 C, 9 P)
- Pleistocene United States (1 C, 49 P)
- Pliocene United States (2 C, 13 P)
Q
- Quaternary United States (15 C, 10 P)
S
- Silurian United States (25 C, 15 P)
T
- Triassic United States (20 C, 10 P)
Σ
- United States geologic formation stubs (4 C, 163 P)
Pages in category "Geologic formations of the United States"
The following 35 pages are in this category, out of 35 total. This list may not reflect recent changes.