Stratigraphic-Occurrences
1
Alfred Shale Formation (NY)
1
Antrim Formation (WI)
1
Arkona Formation (ONT)
1
Beechwood Member (IN)
1
Beers Hill equivalent formation (NY)
1
Beers Hill Member (NY)
3
Berthelet Member (WI)
1
Bethelet Member (WI)
1
Boyle Formation (KY)
1
Butternut Member
1
Butternut Member (NY)
1
Canaseraga Formation (NY)
1
Cardiff Member
1
Cayuta Member (NY)
3
Centerfield Member
1
Centerfield Member (NY)
1
Cerro Gordo Member
1
Chemung Formation (NY)
1
Chemung Formation (PA)
1
Chemung Formation (VA)
1
Chemung Magnafacies (NY)
1
Chemung Magnafacies (PA)
1
Chenango Member
1
Chenango Member (NY)
1
Clearville Member (WV)
1
Delaware Formation (OH)
1
Delphi Station Member
1
Delphi Station Member (NY)
1
East Berne Member (NY)
1
Edgecliff Member
1
Edgecliff Member (NY)
1
Fir Tree Member
1
Frame Member
2
Frame Member (PA)
4
Geneseo Formation (NY)
2
Gilboa Formation (NY)
2
Glen Aubrey Formation (NY)
2
Hamilton Group
1
Hamilton Group (NY)
1
Harrel Formation (PA)
1
Hubbard Quarry Formation (NY)
2
Hubbard Quarry Member
1
Hungry Hollow Member (ONT)
1
Independence Member
1
Ithaca Formation (N)
3
?Ithaca Formation (NY)
3
Ivy Point Member
2
Ivy Point Member (NY)
2
Jaycox Member
1
Jennings Formation (MD)
1
Jerome Member
1
Juniper Hill Member
3
Kashong Member
1
Kashong Member (NY)
1
“Laurens” Member (NY)
3
Ledyard Member
1
Ledyard Member (NY)
1
Levanna Member
1
Levanna Member (NY)
1
Lime Creek Formation (IA)
2
Lindwurm Member (WI)
1
Lithography City Formation (IA)
1
Little Cedar Formation (IA)
1
Lodi Member
1
Lower Olentangy Formation (OH)
2
Lower Tully Member (NY)
1
Ludlowville Formation
7
Ludlowville Formation (NY)
1
Machias Formation (NY)
1
Mahantango Formation (MD)
6
Mahantango Formation (PA)
2
Mahantango Formation (WV)
1
Marcellus Formation
1
Martin Formation (AZ)
1
Mason City Member
1
Meads Creek equivalent formation (NY)
1
“Millport equivalent formation” (NY)
4
Milwaukee Formation (WI)
1
Montebello Member
2
Montebello Member (PA)
2
Moorehouse Member
1
Moorehouse Member (NY)
1
Moscow Formation
7
Moscow Formation (NY)
1
Mottsville Member
2
Mottville Member
2
Mottville Member (NY)
2
Mount Marion Formation (NY)
1
New Lisbon Member
1
Nora Member
1
North Vernon Formation (IN)
4
Oatka Creek Formation (NY)
4
Onondaga Formation (NY)
2
Otisco Member
1
Otisco Member (NY)
1
Owen Member
1
Parkhead Member (MD)
1
Penn Yan Formation (NY)
1
Plum Brook Formation (OH)
1
Plum Brook Shale Formation (OH)
1
Pokejoy Member (WV)
1
Portage Member (PA)
1
Rapid Member
1
Rhinestreet Formation (NY)
1
Rock Grove Member
2
Seneca Member
1
Shell Rock Formation (IA)
1
Silica Formation (MI)
1
Silica Formation (OH)
1
Silica Shale (IN)
1
Silica Shale (MI)
1
Silica Shale (MI and OH)
1
Silica Shale (OH)
1
Silver Creek Member (IN)
6
Skaneateles Formation (NY)
1
Sly Gap Formation (NM)
1
Solon Member
1
Tichenor Member
1
Triangle Formation (NY)
8
Tully Formation (NY)
1
Tully Member (PA)
1
Union Springs Formation (NY)
1
Unknown
1
Upper Shale Member (PA)
2
Upper Tully Member (NY)
1
Upperville Member
1
Wadleigh Limestone Formation (AK)
3
Wanakah Member
1
Wanakah Member (NY)
1
West Brook Member
1
“West Brook” Member (NY)
1
Widder Formation (ONT)
4
Windom Member
2
Windom Member (NY