| Group or Formation
|
Period
|
Notes
|
| Akron Formation |
Silurian |
|
| Anse Maranda Formation |
Cambrian |
|
| Bear Creek Shale |
Silurian |
|
| Becraft Limestone |
Devonian |
|
| Beekmantown Group/Fort Cassin Formation |
Ordovician |
|
| Beekmantown Group/Rochdale Formation |
Ordovician |
|
| Beekmantown Group/Tribes Hill Formation |
Ordovician |
|
| Beers Hill Formation |
Devonian |
|
| Bellvale Sandstone |
Devonian |
|
| Bertie Group |
Silurian |
|
| Bertie Limestone |
Silurian |
|
| Black River Group/Trenton Formation |
Ordovician |
|
| Black River Group/Amsterdam Limestone |
Ordovician |
|
| Black River Group/Chaumont Formation |
Ordovician |
|
| Canadaway Group/Alfred Shale |
Devonian |
|
| Canadaway Group/Canaseraga Formation |
Devonian |
|
| Canadaway Group/Cuba Formation |
Devonian |
|
| Canadaway Group/Dunkirk Formation |
Devonian |
|
| Canadaway Group/Gowanda Shale |
Devonian |
|
| Canadaway Group/Java Formation |
Devonian |
|
| Canadaway Group/Machias Formation |
Devonian |
|
| Canadaway Group/Rushford Formation |
Devonian |
|
| Canajoharie Formation |
Ordovician |
|
| Cashaqua Shale |
Devonian |
|
| Cayuta Formation |
Devonian |
|
| Central Valley Sandstone |
Devonian |
|
| Champlain Clay |
|
|
| Chaumont Formation |
Ordovician |
|
| Chazy Formation |
Ordovician |
|
| Chazyan Group/Valcour Formation |
Ordovician |
|
| Chazy Group/Crown Point Formation |
Ordovician |
|
| Chazy Group/Day Point Formation |
Ordovician |
|
| Chazy Group/Valcour Formation |
Ordovician |
|
| Chemung Group |
Devonian |
|
| Chesney Formation |
Devonian |
|
| Chrysler Formation |
Silurian |
|
| Clinton Group/Bear Creek Formation |
Silurian |
|
| Clinton Group/Furnaceville Formation |
Silurian |
|
| Clinton Group/Gasport Limestone |
Silurian |
|
| Clinton Group/Glenmark Shale |
Silurian |
|
| Clinton Group/Herkimer Formation |
Silurian |
|
| Clinton Group/Irondequoit Limestone |
Silurian |
|
| Clinton Group/Kirkland Formation |
Silurian |
|
| Clinton Group/Kirkwood Formation |
Silurian |
|
| Clinton Group/Maplewood Formation |
Silurian |
|
| Clinton Group/Neahga Formation |
Silurian |
|
| Clinton Group/Oneida Formation |
Silurian |
|
| Clinton Group/Reynales Formation |
Silurian |
|
| Clinton Group/Rochester Shale |
Silurian |
|
| Clinton Group/Rockway Formation |
Silurian |
|
| Clinton Group/Sauquoit Formation |
Silurian |
|
| Clinton Group/Sodus Formation |
Silurian |
|
| Clinton Group/Westmoreland Formation |
Silurian |
|
| Clinton Group/Williamson Shale |
Silurian |
|
| Clinton Group/Willowvale Formation |
Silurian |
|
| Clinton Group/Wolcott Limestone |
Silurian |
|
| Coeymans Limestone |
Devonian |
|
| Conewango Group/Cattaraugus Formation |
Devonian |
|
| Conneaut Group/Ellicott Formation |
Devonian |
|
| Conneaut Group/Oswayo Formation |
Devonian |
|
| Connelly Conglomerate |
Devonian |
|
| Cotter Formation |
Ordovician |
|
| Day Point Formation |
Ordovician |
|
| Decker Formation |
Silurian |
|
| Deepkill Shale |
Ordovician |
|
| Denley Limestone |
Ordovician |
|
| Dodgeville Facies |
Ordovician |
|
| Enfield Formation |
Devonian |
|
| Eramosa Formation |
Silurian |
|
| Esopus Formation |
Devonian |
|
| Fort Ann Formation |
Ordovician |
|
| Fort Cassin Formation |
Ordovician |
|
| Gardeau Formation |
Devonian |
|
| Gardiners Clay |
|
|
| Gasport Limestone |
Silurian |
|
| Genesee Group/Geneseo Shale |
Devonian |
|
| Genesee Group/Genundewa Limestone |
Devonian |
|
| Genesee Group/Ithaca Formation |
Devonian |
|
| Genesee Group/Lodi Formation |
Devonian |
|
| Genesee Group/Ludlowville Formation |
Devonian |
|
| Genesee Group/Oneonta Formation |
Devonian |
|
| Genesee Group/Onteora Formation |
Devonian |
|
| Genesee Group/Penn Yan Formation |
Devonian |
|
| Genesee Group/Rock Stream Formation |
Devonian |
|
| Genesee Group/Sherburne Sandstone |
Devonian |
|
| Genesee Group/Sonyea Group |
Devonian |
|
| Genesee Group/Tully Limestone |
Devonian |
|
| Genesee Group/West River Shale |
Devonian |
|
| Genesee Group/Genundewa Limestone |
Devonian |
|
| Glen Aubrey Formation |
Devonian |
|
| Gowanda Shale |
Devonian |
|
| Great Meadows Formation |
Ordovician |
|
| Guelph Formation |
Silurian |
|
| Hamilton Group/Ashokan Formation |
Devonian |
|
| Hamilton Group/Bellvale Sandstone |
Devonian |
|
| Hamilton Group/Below Genesee Formation |
Devonian |
|
| Hamilton Group/Centerfield Limestone |
Devonian |
|
| Hamilton Group/Cherry Valley Formation |
Devonian |
|
| Hamilton Group/Continental Moscow Formation |
Devonian |
|
| Hamilton Group/Delphi Formation |
Devonian |
|
| Hamilton Group/Gilboa Formation |
Devonian |
|
| Hamilton Group/Hamilton Formation |
Devonian |
|
| Hamilton Group/Jaycox Formation |
Devonian |
|
| Hamilton Group/Kiskatom Formation |
Devonian |
|
| Hamilton Group/Ludlowville Formation |
Devonian |
|
| Hamilton Group/Marcellus Formation |
Devonian |
|
| Hamilton Group/Moscow Formation |
Devonian |
|
| Hamilton Group/Moscow Shale |
Devonian |
|
| Hamilton Group/Mount Marion Formation |
Devonian |
|
| Hamilton Group/Panther Mountain Formation |
Devonian |
|
| Hamilton Group/Platekill Formation |
Devonian |
|
| Hamilton Group/Skaneateles Formation |
Devonian |
|
| Hamilton Group/Tully Formation |
Devonian |
|
| Hamilton Group/Tully Pyrite |
Devonian |
|
| Hamilton Group/Union Springs Formation |
Devonian |
|
| Hamilton Group/Moscow Formation |
Devonian |
|
| Helderberg Group |
Devonian |
|
| Helderberg Group/Coeymans Formation |
Devonian |
|
| Helderberg Group/Kalkberg Formation |
Devonian |
|
| Helderberg Group/Manlius Formation |
Devonian |
|
| Helderberg Group/New Scotland Formation |
Devonian |
|
| Hoyt Limestone |
Cambrian |
|
| Irondequoit Limestone |
Silurian |
|
| Ithaca Sandstone |
Devonian |
|
| Jacobs Sand |
|
|
| Java Formation |
Devonian |
|
| Joslin Hill Formation |
Silurian |
|
| Kalkberg Limestone |
Devonian |
|
| Kanouse Formation |
Devonian |
|
| Katsberg Formation |
Devonian |
|
| Kings Falls Limestone |
Ordovician |
|
| Little Falls Formation |
Cambrian |
|
| Lockport Group/Gasport Limestone |
Silurian |
|
| Lockport Group/Ilion Formation |
Silurian |
|
| Lorraine Group/Pulaski Shale Group/Whetstone Gulf |
Ordovician |
|
| Katsberg Formation |
Devonian |
|
| Trenton Group/Denley Limestone |
Ordovician |
|
| Trenton Group/Sugar River Limestone |
Ordovician |
|
| Ludlowville Formation |
Devonian |
|
| Manlius Limestone |
Devonian |
|
| Marcellus Formation |
Devonian |
|
| Marcellus Group/Esopus Formation |
Devonian |
|
| Meads Creek Formation equivalent |
Devonian |
|
| Medina Group/Grimsby Formation |
Silurian |
|
| Medina Group/Power Glen Formation |
Silurian |
|
| Medina Group/Thorold Formation |
Silurian |
|
| Millport Formation equivalent |
Devonian |
|
| Moscow Formation |
Devonian |
|
| Napanee Limestone |
Ordovician |
|
| Naples Group/Oneonta Formation |
Devonian |
|
| New Scotland Formation |
Devonian |
|
| Normanskill Formation |
Ordovician |
|
| Oak Orchard Formation |
Silurian |
|
| Ogdensburg Formation |
Ordovician |
|
| Oneonta Formation |
Devonian |
|
| Onondaga Limestone |
Devonian |
|
| Onteora Formation |
Devonian |
|
| Oriskany Formation |
Devonian |
|
| Panther Mountain Formation |
Devonian |
|
| Pine Hill Formation |
Devonian |
|
| Portage Group/Middlesex Shale |
Devonian |
|
| Potsdam Sandstone |
Cambrian |
|
| Rhinestreet Formation |
Devonian |
|
| Rochester Shale |
Silurian |
|
| Rockway Formation |
Silurian |
|
| Salem Limestone |
Carboniferous |
|
| Salina Group/Bertie Limestone |
Silurian |
|
| Salina Group/Cobleskill Formation |
Silurian |
|
| Salina Group/Syracuse Formation |
Silurian |
|
| Salina Group/Vernon Formation |
Silurian |
|
| Sauquoit Formation |
Silurian |
|
| Schaghticoke Formation |
Ordovician |
|
| Schodack Formation |
Cambrian |
|
| Selby Limestone |
Ordovician |
|
| Shawangunk Formation |
Silurian |
|
| Sherburne Formation |
Devonian |
|
| Skaneateles Formation |
Devonian |
|
| Sodus Shale |
Silurian |
|
| Sonyea Group/Cashaqua Formation |
Devonian |
|
| Sonyea Group/Delaware River Flags |
Devonian |
|
| Sonyea Group/Enfield Formation |
Devonian |
|
| Sonyea Group/Glen Aubrey |
Devonian |
|
| Sonyea Group/Katsberg Formation |
Devonian |
|
| Sonyea Group/Katzberg |
Devonian |
|
| Sonyea Group/Middlesex Shale |
Devonian |
|
| Sonyea Group/Rock Stream Formation |
Devonian |
|
| Sonyea Group/Stony Clove Sandstone |
Devonian |
|
| Sonyea Group/Triangle Formation |
Devonian |
|
| Sonyea Group/Walton Formation |
Devonian |
|
| Stockton Formation |
Triassic |
|
| Stony Clove Sandstone |
Devonian |
|
| Sugar River Limestone |
Ordovician |
|
| Syracuse Formation |
Silurian |
|
| Trenton Group/Cobourg Limestone |
Ordovician |
|
| Trenton Group/Denley Limestone |
Ordovician |
|
| Trenton Group/Dolgeville Formation |
Ordovician |
|
| Trenton Group/Sherman Fall Limestone |
Ordovician |
|
| Tristates Group/Esopus Formation |
Devonian |
|
| Tristates Group/Oriskany Formation |
Devonian |
|
| Tristates Group/Schoharie Grit |
Devonian |
|
| Tully Limestone |
Devonian |
|
| Tully Group |
Devonian |
|
| Utica Shale |
Ordovician |
|
| Vernon Shale |
Silurian |
|
| Volusia Shale |
Devonian |
|
| West Castleton Formation |
Cambrian |
|
| West Fall Group/Beers Hill Formation |
Devonian |
|
| West Fall Group/Honesdale Formation |
Devonian |
|
| West Falls Group/Angola Formation |
Devonian |
|
| West Falls Group/Beers Hill Formation |
Devonian |
|
| West Falls Group/Chemung Formation |
Devonian |
|
| West Falls Group/Hanover Formation |
Devonian |
|
| West Falls Group/Hatch Shale |
Devonian |
|
| West Falls Group/Java Formation |
Devonian |
|
| West Falls Group/Rhinestreet Shale |
Devonian |
|
| West Falls Group/Walton Formation |
Devonian |
|
| Whitehall Formation |
Ordovician, Cambrian |
|
| Williamson Shale |
Silurian |
|
| Willowvale Shale |
Silurian |
|
| Wiscoy Sandstone |
Devonian |
|
| Wolcott Limestone |
Silurian |
|
