Stratigraphic Occurrences

1

Alfred Shale Formation

6

Alpena Limestone Formation

2

Antrim Formation

9

Arkona Formation

2

Ashantee Member

1

Ashokan Formation

1

Bakoven Member

6

Beechwood Member

1

Beers Hill Equivalent Formation

1

Beers Hill Member

1

Belgium Member

2

Bell Shale Formation

44

Berthelet Member

2

Bethelet Member

5

Boyle Formation

3

Butternut Member

1

Buttternut Member

1

Canaseraga Formation (NY)

9

Cardiff Member

1

Cayuta Member

12

Centerfield Member

1

Cerro Gordo Member

1

Chemung Formation

1

Chemung Magnafacies (NY)

1

Chemung Magnafacies (PA)

4

Chenango Member

1

Cherry Valley Member

2

Chittenango Member

5

Clearville Member

2

Columbus Formation

4

Deep Run Member

2

Delaware Formation

1

Delaware Limestone Formation

6

Delphi Station Member

2

Dock Street Clay Member

3

Dundee Limestone Formation

5

East Berne Member

4

Edgecliff Member

2

Ferron Point Formation

1

Fir Tree Member

1

Floresta Formation

7

Four Mile Dam Formation

5

Frame Member

1

Gander Run Member

2

Garrattsville Member

2

Garrettsville Member

2

Genesee Group

5

Geneseo Formation

1

Geneseo Formation (NY)

1

Genessee Group

1

Genshaw Formation

1

Gilboa Formation

1

Gilboa Formation (NY)

2

Glen Aubrey Formation (NY)

2

Grand Tower Formation

1

Gravel Point Formation

18

Hamilton Group

1

Hamilton Group (NY)

1

Harrel Formation

1

Helderberg Group

2

Hubbard Quarry Formation

2

Hubbard Quarry Member

2

Hungry Hollow Formation

4

Hungry Hollow Member

1

Independence Member

1

Ipperwash Formation

2

Ithaca Formation

2

Ithaca Formation (NY)

12

Ivy Point Member

3

Jaycox Member

2

Jeffersonville Formation

2

Jeffersonville Limestone Formation

1

Jennings Formation

1

Jerome Member

1

Juniper Hill Member

12

Kashong Member

2

Kashong Shale Member

7

Lake Church Formation

1

Laurens Member

10

Ledyard Member

5

Levanna Member

1

Lime Creek Formation (IA)

1

Lindworm Member

55

Lindwurm Member

3

Lingle Formation

1

Lithography City Formation (IA)

1

Little Cedar Formation (IA)

1

Lodi Member

1

Long Hill Member

2

Lower Tully Member

1

Lower Windom Shale Member

18

Ludlowville Formation

2

Ludlowville Formation (NY)

1

Machias Formation

14

Mahantango Formation

1

Mahantango Formation (PA)

3

Marcellus Formation

2

Marcellus Subgroup

1

Martin Formation (AZ)

1

Mason City Member

1

Meads Creek Equivalent Formation

1

Millboro Member

1

Millport Equivalent Formation

75

Milwaukee Formation

9

Montebello Member

5

Moorehouse Member

23

Moscow Formation

2

Moscow Formation (NY)

1

Mottsville Member

10

Mottville Member

10

Mount Marion Formation

1

Mt. Marion Formation

2

Muscatuck Group

1

New Lisbon Member

1

Nora Member

8

North Point Member

7

North Vernon Formation

4

Norway Point Formation

12

Oatka Creek Formation

1

Oatka Creek Formation (NY)

1

Olentangy Formation

4

Onondaga Formation

2

Onondaga Formation (NY)

1

Onondaga Group

8

Otisco Member

1

Otsego Member

1

Owasco Member

1

Owen Member

1

Parkhead Member

4

Pecksport Member

1

Penn Yan Formation

3

Petoskey Formation

1

Plum Brook Formation

3

Plum Brook Formation

3

Plum Brook Shale Formation

2

Plum Creek Formation

5

Pokejoy Member

6

Pompey Member

1

Portage Member

5

Potter Farm Formation

1

Prout Formation

1

Prout Member

1

Rapid Member

1

Rhinestreet Formation

1

Rock Grove Member

1

Romney Member

1

Schoharie Formation

2

Seneca Member

1

Shell Rock Formation (IA)

17

Silica Formation

1

Silica Shale (IN)

1

Silica Shale (MI)

1

Silica Shale (OH)

1

Silver Creek Formation

4

Silver Creek Member

15

Skaneateles Formation

1

Skaneateles Formation (NY)

1

Sly Gap Formation (NM)

1

Solon Member

1

Solsville Member

2

Sonyea Group

2

Spafford Member

2

Swanville Member

2

Thiensville Formation

9

Thunder Bay Limestone Formation

5

Tichenor Member

33

Traverse Group

1

Traverse Group - Norway Point Formation - Four Mile Dam Formation - Dock Street Clay Member - Genshaw Formation - Ferron Point Formation

1

Triangle Formation

15

Tully Formation

3

Tully Formation (NY)

1

Tully Member

2

Union Springs Formation

1

Unknown

6

Upper Shale Member

2

Upper Tully Member

2

Upperville Member

1

Wadleigh Limestone Formation

13

Wanakah Member

1

West Brook Beds

5

West Brook Member

1

West Brook Submember

2

West Falls Group

3

Widder Formation

16

Windom Member