Stratigraphic Occurrences
1
Alfred Shale Formation
2
Antrim Formation
3
Arkona Formation
1
Ashokan Formation
1
Bakoven Member
4
Beechwood Member
1
Beers Hill Equivalent Formation
1
Beers Hill Member
11
Berthelet Member
2
Bethelet Member
3
Boyle Formation
3
Butternut Member
1
Canaseraga Formation (NY)
6
Cardiff Member
1
Cayuta Member
10
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
3
Clearville Member
1
Columbus Formation
3
Deep Run Member
1
Delaware Formation
4
Delphi Station Member
3
East Berne Member
3
Edgecliff Member
1
Fir Tree Member
1
Floresta Formation
5
Frame Member
1
Gander Run Member
1
Garrettsville Member
1
Genesee Group
3
Geneseo Formation
2
Geneseo Formation (NY)
2
Gilboa Formation (NY)
2
Glen Aubrey Formation (NY)
1
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
2
Hungry Hollow Member
1
Independence Member
1
Ithaca Formation
1
Ithaca Formation (N)
2
Ithaca Formation (NY)
9
Ivy Point Member
3
Jaycox Member
1
Jeffersonville Formation
1
Jennings Formation
1
Jerome Member
1
Juniper Hill Member
11
Kashong Member
1
Laurens Member
8
Ledyard Member
4
Levanna Member
1
Lime Creek Formation (IA)
17
Lindwurm Member
1
Lingle Formation
1
Lithography City Formation (IA)
1
Little Cedar Formation (IA)
1
Lodi Member
2
Lower Tully Member
13
Ludlowville Formation
3
Ludlowville Formation (NY)
1
Machias Formation
9
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
23
Milwaukee Formation
6
Montebello Member
4
Moorehouse Member
14
Moscow Formation
3
Moscow Formation (NY)
1
Mottsville Member
8
Mottville Member
6
Mount Marion Formation
1
Mt. Marion Formation
1
New Lisbon Member
1
Nora Member
2
North Point Member
4
North Vernon Formation
7
Oatka Creek Formation
2
Oatka Creek Formation (NY)
1
Olentangy Formation
3
Onondaga Formation
2
Onondaga Formation (NY)
6
Otisco Member
1
Owasco Member
1
Owen Member
1
Parkhead Member
2
Pecksport Member
1
Penn Yan Formation (NY)
2
Plum Brook Formation
2
Plum Brook Shale Formation
1
Plum Creek Formation
3
Pokejoy Member
4
Pompey Member
1
Portage Member
1
Rapid Member
1
Rhinestreet Formation
1
Rock Grove Member
1
Romney Member
2
Seneca Member
1
Shell Rock Formation (IA)
7
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
10
Skaneateles Formation
2
Skaneateles Formation (NY)
1
Sly Gap Formation (NM)
1
Solon Member
1
Solsville Member
1
Sonyea Group
2
Spafford Member
1
Swanville Member
1
Thunder Bay Limestone Formation
5
Tichenor Member
1
Traverse Group
1
Triangle Formation
10
Tully Formation
4
Tully Formation (NY)
1
Tully Member
2
Union Springs Formation
1
Unknown
3
Upper Shale Member
2
Upper Tully Member
1
Upperville Member
1
Wadleigh Limestone Formation
10
Wanakah Member
4
West Brook Member
1
West Brook Submember
1
West Falls Group
2
Widder Formation
12
Windom Member