Category:Devonian formations in Pennsylvania

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Preceded by Proterozoic Eon	Phanerozoic Eon
	Paleozoic Era						Mesozoic Era			Cenozoic Era
	Cambrian	Ordovician	Silurian	Devonian	Carboniferous	Permian	Triassic	Jurassic	Cretaceous	Paleogene	Neogene	4ry

Subcategories

This category has the following 41 subcategories, out of 41 total.

'

Elk Group (geology)‎ (1 C)
Hamilton Group (geology)‎ (14 C, 5 F)
Helderberg Group (geology)‎ (6 C, 11 F)
Oriskany Group‎ (7 C, 9 F)

B

Beaverdam Member, Catskill Formation‎ (2 F)
Bedford Formation‎ (2 C)
Brallier Formation‎ (1 C, 6 F)

C

Catskill Formation‎ (8 C, 8 F)
Catskill Formation in Pennsylvania‎ (7 C)
Coeymans Formation‎ (2 C, 6 F)
Cuba Formation‎ (1 C)

D

Delaware River Formation‎ (1 F)

F

Foreknobs Formation‎ (1 C, 6 F)

H

Harrell Shale‎ (1 C, 3 F)
Huntersville Chert‎ (1 C, 2 F)
Huntley Mountain Formation‎ (2 F)

I

Ithaca Formation‎ (1 C, 1 F)

J

Java Formation‎ (2 C)

K

Keyser Formation‎ (1 C, 7 F)

L

Lock Haven Formation‎ (3 F)

M

Mahantango Formation‎ (4 C, 6 F)
Manlius Formation‎ (4 C, 7 F)
Marcellus Shale‎ (9 C, 6 F)
Millboro Shale‎ (2 F)
Minisink Limestone‎ (1 F)
Moscow Formation (U.S. geology)‎ (3 C, 4 F)

N

Needmore Shale‎ (4 F)
New Scotland Formation‎ (1 C, 3 F)

O

Old Port Formation‎ (6 C, 2 F)
Onondaga Formation‎ (9 C, 10 F)

P

Palmerton Sandstone‎ (1 F)
Port Ewan Shale‎ (2 F)

R

Ridgeley Sandstone‎ (1 C, 6 F)
Rockwell Formation‎ (2 C, 4 F)
Rockwell Formation in Pennsylvania‎ (1 C, 1 F)

S

Scherr Formation‎ (2 F)
Schoharie Formation‎ (3 C, 1 F)
Shriver Chert‎ (1 C, 1 F)
Spechty Kopf Formation‎ (7 C)

T

Trimmers Rock Formation‎ (4 C, 2 F)
Tully Limestone‎ (4 C, 7 F)

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