Stratigraphic Occurrences
1
Alfred Shale Formation
2
Antrim Formation
5
Arkona Formation
1
Ashantee Member
1
Ashokan Formation
1
Bakoven Member
5
Beechwood Member
1
Beers Hill Equivalent Formation
1
Beers Hill Member
16
Berthelet Member
2
Bethelet Member
4
Boyle Formation
3
Butternut Member
1
Buttternut Member
1
Canaseraga Formation (NY)
8
Cardiff Member
1
Cayuta Member
11
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
4
Clearville Member
2
Columbus Formation
3
Deep Run Member
1
Delaware Formation
5
Delphi Station Member
4
East Berne Member
4
Edgecliff Member
1
Fir Tree Member
1
Floresta Formation
1
Four Mile Dam Formation
5
Frame Member
1
Gander Run Member
2
Garrattsville Member
2
Garrettsville Member
2
Genesee Group
4
Geneseo Formation
2
Geneseo Formation (NY)
2
Gilboa Formation (NY)
2
Glen Aubrey Formation (NY)
2
Grand Tower Formation
1
Hamilton Group
1
Hamilton Group (NY)
1
Harrel Formation
2
Hubbard Quarry Formation
2
Hubbard Quarry Member
1
Hungry Hollow Formation
3
Hungry Hollow Member
1
Independence Member
1
Ithaca Formation
1
Ithaca Formation (N)
2
Ithaca Formation (NY)
11
Ivy Point Member
3
Jaycox Member
2
Jeffersonville Formation
1
Jennings Formation
1
Jerome Member
1
Juniper Hill Member
11
Kashong Member
1
Laurens Member
9
Ledyard Member
5
Levanna Member
1
Lime Creek Formation (IA)
23
Lindwurm Member
2
Lingle Formation
1
Lithography City Formation (IA)
1
Little Cedar Formation (IA)
1
Lodi Member
1
Long Hill Member
2
Lower Tully Member
16
Ludlowville Formation
3
Ludlowville Formation (NY)
1
Machias Formation
12
Mahantango Formation
2
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
30
Milwaukee Formation
8
Montebello Member
5
Moorehouse Member
18
Moscow Formation
3
Moscow Formation (NY)
1
Mottsville Member
9
Mottville Member
9
Mount Marion Formation
1
Mt. Marion Formation
1
New Lisbon Member
1
Nora Member
3
North Point Member
7
North Vernon Formation
10
Oatka Creek Formation
2
Oatka Creek Formation (NY)
1
Olentangy Formation
4
Onondaga Formation
2
Onondaga Formation (NY)
7
Otisco Member
1
Otsego Member
1
Owasco Member
1
Owen Member
1
Parkhead Member
3
Pecksport Member
1
Penn Yan Formation (NY)
3
Plum Brook Formation
3
Plum Brook Shale Formation
2
Plum Creek Formation
4
Pokejoy Member
5
Pompey Member
1
Portage Member
1
Prout Formation
1
Rapid Member
1
Rhinestreet Formation
1
Rock Grove Member
1
Romney Member
1
Schoharie Formation
2
Seneca Member
1
Shell Rock Formation (IA)
9
Silica Formation
1
Silica Shale (IN)
1
Silica Shale (MI and OH)
1
Silica Shale (MI)
1
Silica Shale (OH)
1
Silver Creek Formation
3
Silver Creek Member
13
Skaneateles Formation
2
Skaneateles Formation (NY)
1
Sly Gap Formation (NM)
1
Solon Member
1
Solsville Member
2
Sonyea Group
2
Spafford Member
2
Swanville Member
1
Thunder Bay Limestone Formation
5
Tichenor Member
3
Traverse Group
1
Triangle Formation
13
Tully Formation
4
Tully Formation (NY)
1
Tully Member
2
Union Springs Formation
1
Unknown
5
Upper Shale Member
2
Upper Tully Member
2
Upperville Member
1
Wadleigh Limestone Formation
12
Wanakah Member
1
West Brook Beds
4
West Brook Member
1
West Brook Submember
2
West Falls Group
2
Widder Formation
15
Windom Member