Stratigraphic Occurrences

1

Alfred Shale Formation

6

Alpena Limestone Formation

2

Antrim Formation

10

Arkona Formation

7

Ashantee Member

1

Ashokan Formation

6

Bakoven Member

1

Beechwood Formation

12

Beechwood Member

1

Beers Hill Equivalent Formation

1

Beers Hill Member

1

Belgium Member

4

Bell Shale Formation

47

Berthelet Member

2

Bethelet Member

17

Boyle Formation

5

Butternut Member

1

Buttternut Member

12

Cardiff Member

1

Cayuta Member

1

Centerfield Limestone

27

Centerfield Member

1

Chemung Formation

5

Chenango Member

1

Cherry Valley Member

3

Chittenango Member

11

Clearville Member

15

Columbus Formation

1

Crooked Creek Member

10

Deep Run Member

12

Delaware Formation

1

Delaware Limestone Formation

8

Delphi Station Member

3

Dock Street Clay Member

3

Dundee Limestone Formation

9

East Berne Member

8

Edgecliff Member

4

Ferron Point Formation

1

Fir Tree Member

1

Floresta Formation

10

Four Mile Dam Formation

2

Four Mile Dam Member

7

Frame Member

1

Frame Shale Member

2

Gander Run Member

8

Garrattsville Member

2

Garrettsville Member

6

Genesee Group

10

Geneseo Formation

3

Genshaw Formation

2

Gilboa Formation

1

Grand Tower

6

Grand Tower Formation

2

Gravel Point Formation

3

Hackberry Group

26

Hamilton Group

1

Harrel Formation

5

Helderberg Group

2

Hubbard Quarry Formation

1

Hubbard Quarry Member

4

Hungry Hollow Formation

11

Hungry Hollow Member

1

Ipperwash Formation

3

Ithaca Formation

16

Ivy Point Member

9

Jaycox Member

15

Jeffersonville Formation

4

Jeffersonville Limestone Formation

1

Jennings Formation

19

Kashong Member

2

Kashong Shale Member

8

Lake Church Formation

1

Laurens Member

11

Ledyard Member

1

Ledyard Shale

6

Levanna Member

1

Lindworm Member

58

Lindwurm Member

13

Lingle Formation

1

Lodi Member

7

Long Hill Member

1

Lower Moravia Submember

1

Lower Tully

2

Lower Tully Member

1

Lower Windom Shale Member

50

Ludlowville Formation

1

Machias Formation

35

Mahantango Formation

3

Marcellus Formation

3

Marcellus Subgroup

1

Meads Creek Equivalent Formation

1

Millboro Member

1

Millport Equivalent Formation

78

Milwaukee Formation

12

Montebello Member

8

Moorehouse Member

55

Moscow Formation

1

Mottsville Member

23

Mottville Member

17

Mount Marion Formation

1

Mount Vision Member

1

Mt. Marion Formation

1

Muscatatuck Group

4

Muscatuck Group

9

North Point Member

19

North Vernon Formation

1

North Vernon Limestone Formation

1

North Vernon Member

4

Norway Point Formation

24

Oatka Creek Formation

5

Olentangy Formation

17

Onondaga Formation

1

Onondaga Group

1

Onondaga Limestone

13

Otisco Member

2

Otsego Member

1

Owasco Member

1

Parkhead Member

4

Pecksport Member

1

Penn Yan Formation

3

Petoskey Formation

1

Plum Brook Formation

15

Plum Brook Formation

3

Plum Brook Shale Formation

2

Plum Creek Formation

11

Pokejoy Member

9

Pompey Member

1

Portage Member

7

Potter Farm Formation

7

Prout Formation

1

Prout Member

1

Rhinestreet Formation

1

Romney Member

1

Schharie Formation

3

Schoharie Formation

2

Seneca Member

1

Sherburne Member

29

Silica Formation

1

Silica Shale

1

Silver Creek Formation

6

Silver Creek Member

40

Skaneateles Formation

1

Skaneatles Formation

1

Solsville Member

6

Sonyea Group

3

Spafford Member

3

Stafford Member

3

Stony Hollow Formation

5

Swanville Member

2

Thiensville Formation

9

Thunder Bay Limestone Formation

1

Tichenor Limestone

11

Tichenor Member

52

Traverse Group

1

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

1

Triangle Formation

34

Tully Formation

1

Tully Member

7

Union Springs Formation

12

Upper Shale Member

2

Upper Tully Member

3

Upperville Member

1

Wadleigh Limestone Formation

25

Wanakah Member

7

West Brook Beds

5

West Brook Member

1

West Brook Submember

4

West Falls Group

6

Widder Formation

33

Windom Member