Western New YorkNorthern Appalachians

#310, project 1, show in map.

Age (Ma)
318
Paleozoic
Carboniferous
Pennsylvanian
Bashkirian
Olean Conglomerate
37.3 Ma
382380378376374372370368366364362360358
Paleozoic
Carboniferous
Mississippian
Tournaisian
Devonian
Late Devonian
Famennian
Frasnian
Knapp Formation
Conewango Group
Sunfish Formation
Conneaut Group
Northeast Shale
Shumla Sandstone
Westfield Shale
Laona Sandstone
Gowanda Shale
Dunkirk Shale
Wiscoy Formation
Hanover Shale
Pipe Creek Shale
Nunda Formation
Angola Shale
Rhinestreet Shale
Cashaqua Shale
Middlesex Shale
West River Shale
Penn Yan Shale
Geneseo Shale
1.3 Ma
384
Paleozoic
Devonian
Middle Devonian
Givetian
Tully Limestone
1.7 Ma
392390388
Paleozoic
Devonian
Middle Devonian
Givetian
Eifelian
Early Devonian
Emsian
Moscow Formation
Ludlowville Formation
Skaneateles Formation
Marcellus Formation
Onondaga Limestone
3.6 Ma
400
Paleozoic
Devonian
Early Devonian
Emsian
Bois Blanc Limestone
4.1 Ma
408.5
Paleozoic
Devonian
Early Devonian
Pragian
Oriskany Sandstone
10.5 Ma
430425420
Paleozoic
Devonian
Early Devonian
Lochkovian
Silurian
Pridoli
Ludlow
Ludfordian
Gorstian
Wenlock
Homerian
Sheinwoodian
Llandovery
Telychian
Rondout Formation
Bertie Formation
Camillus Formation
Syracuse Formation
Vernon Formation
Lockport Group
Rochester Shale
Irondequoit Limestone
3.8 Ma
438
Paleozoic
Silurian
Llandovery
Telychian
Aeronian
Neahga Shale and Thorold Sandstone of Clinton Formation
1.2 Ma
Paleozoic
Silurian
Llandovery
Aeronian
Rhuddanian
Ordovician
Late Ordovician
Hirnantian
Grimsby Sandstone and Power Glen Formation of Medina Group
2.3 Ma
455450
Paleozoic
Ordovician
Late Ordovician
Katian
Sandbian
Middle Ordovician
Darriwilian
Queenston Formation
Lorraine Group
Utica Formation
Trenton Group
Black River Group
34.1 Ma
Paleozoic
Cambrian
Furongian
Jiangshanian
Paibian
Series 3
Guzhangian
Theresa (Galway) Formation
Potsdam Formation
472.1 Ma
1,0501,000
Neoproterozoic
Tonian
Mesoproterozoic
Stenian
Grenville plutons
290.0 Ma
1,5501,5001,4501,4001,350
Mesoproterozoic
Ectasian
Calymmian
unnamed