Category:Geologic formations in Pennsylvania

• Geologic formations in Pennsylvania by geochronology‎ (22 C)
• Geologic formations of the Delaware Water Gap‎ (30 C, 2 F)
• Geologic formations of Valley Forge National Historical Park‎ (15 C, 1 F)

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• Fossil bearing geologic formations in Pennsylvania‎ (54 C)
• Geologic groups in Pennsylvania‎ (13 C)

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• Scientific articles regarding geologic formations in Pennsylvania‎ (8 C)

A

• Allegheny Formation‎ (6 C, 4 F)
• Allentown Dolomite‎ (2 F)
• Ames Limestone‎ (2 C, 4 F)
• Anthracite Formation (United States)‎ (1 C)
• Antietam Formation‎ (6 F)
• Austin Glen Formation‎ (5 F)

B

• Bald Eagle Formation‎ (1 C, 6 F)
• Baltimore Gneiss‎ (3 F)
• Bedford Formation‎ (2 C)
• Beekmantown Group‎ (6 C, 9 F)
• Bloomsburg Formation‎ (1 C, 4 F)
• Bossardville Limestone‎ (1 F)
• Brallier Formation‎ (1 C, 6 F)
• Bridgeton Formation‎ (1 F)
• Bryn Mawr Formation (U.S. geology)‎ (1 F)
• Byram Intrusive Suite‎ (1 F)

C

• Casselman Formation‎ (1 F)
• Catoctin Formation‎ (6 C, 5 F)
• Catskill Formation‎ (8 C, 8 F)
• Chazy Formation‎ (3 C, 2 F)
• Chickies Formation‎ (5 C, 5 F)
• Coeymans Formation‎ (2 C, 5 F)
• Conemaugh Group‎ (8 C, 2 F)
• Conestoga Formation‎ (6 F)
• Conococheague Formation‎ (3 C, 6 F)
• Cuba Formation‎ (1 C)

D

• Decker Formation (U.S. geology)‎ (1 F)
• Delaware River Formation‎ (1 F)
• Doswell Formation‎ (1 C)
• Duquesne Coal‎ (3 C)

E

• Elbrook Formation‎ (5 F)
• Epler Formation‎ (1 F)

F

• Feltville Formation‎ (1 C, 2 F)
• Foreknobs Formation‎ (1 C, 6 F)

G

• Gatesburg Formation‎ (2 C)
• Gettysburg Formation (geology)‎ (2 F)
• Glenshaw Formation‎ (4 C, 1 F)
• Greene Formation‎ (2 C, 5 F)

H

• Hardyston Quartzite‎ (1 C, 2 F)
• Harpers Formation‎ (2 C, 8 F)
• Harrell Shale‎ (1 C, 3 F)
• Hummelstown Brownstone‎ (2 C, 2 F)
• Huntersville Chert‎ (1 C, 2 F)
• Huntley Mountain Formation‎ (2 F)

I

• Ithaca Formation‎ (1 C, 1 F)

J

• Jacksonburg Limestone‎ (1 C, 2 F)
• Java Formation‎ (2 C)
• Juniata Formation‎ (2 C, 5 F)

K

• Keyser Formation‎ (1 C, 6 F)
• Kinzers Formation‎ (5 C, 9 F)

L

• Ledger Formation‎ (1 C, 5 F)
• Leithsville Formation‎ (1 C, 1 F)
• Llewellyn Formation‎ (2 C, 11 F)
• Lock Haven Formation‎ (3 F)
• Lockatong Formation‎ (3 C, 2 F)

M

• Mahantango Formation‎ (4 C, 6 F)
• Manlius Formation‎ (4 C, 6 F)
• Marcellus Shale‎ (9 C, 6 F)
• Marcellus Shale in Pennsylvania‎ (1 C, 10 F)
• Martinsburg Formation‎ (5 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 Oxford Formation (geology)‎ (1 F)
• New Scotland Formation‎ (1 C, 3 F)

O

• Octoraro Formation‎ (1 F)
• Old Port Formation‎ (6 C, 2 F)
• Onondaga Formation‎ (9 C, 10 F)

P

• Palmerton Sandstone‎ (1 F)
• Passaic Formation‎ (2 C, 5 F)
• Patapsco Formation‎ (1 C)
• Pensauken Formation‎ (1 F)
• Pittsburgh Coal Bed‎ (1 C, 7 F)
• Pocono Formation‎ (9 C, 2 F)
• Port Ewan Shale‎ (2 F)
• Pottsville Formation in Pennsylvania‎ (4 C, 2 F)
• Poxono Island Formation‎ (1 F)

R

• Reedsville Formation‎ (1 C, 3 F)
• Rickenbach Dolomite‎ (1 F)
• Ridgeley Sandstone‎ (1 C, 6 F)
• Rockdale Run Formation‎ (1 C, 1 F)
• Rockwell Formation‎ (2 C, 4 F)
• Rondout Formation‎ (1 C, 4 F)

S

• Scherr Formation‎ (2 F)
• Schoharie Formation‎ (3 C, 1 F)
• Shawangunk Formation‎ (9 C, 16 F)
• Shriver Chert‎ (1 C, 1 F)
• Spechty Kopf Formation‎ (7 C)
• Stockton Formation‎ (1 C, 4 F)
• Stonehenge Formation (U.S. geology)‎ (1 C, 2 F)

T

• Tomstown Formation‎ (5 F)
• Tonoloway Formation‎ (3 F)
• Trimmers Rock Formation‎ (4 C, 2 F)
• Tully Limestone‎ (4 C, 7 F)
• Tuscarora Formation‎ (2 C, 8 F)

U

• Utica Formation‎ (8 C, 8 F)

V

• Vintage Dolomite‎ (9 F)

W

• Washington Formation (geology)‎ (4 C, 2 F)
• Waynesboro Formation‎ (1 C, 1 F)
• Waynesburg Formation‎ (1 F)
• Weverton Formation‎ (2 F)
• Williamsport Sandstone‎ (1 F)
• Wills Creek Formation‎ (6 F)
• Wissahickon Schist‎ (5 C, 5 F)
• Wolf Rocks‎ (9 F)