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Geologic units in Seneca county, New York

Ludlowville Formation (Middle Devonian) at surface, covers 11 % of this area
Ludlowville Formation - Deep Run Shale, Tichenor Limestone, Wanakah and Ledyard Shales, Centerfield Limestone Members.
Lithology: shale; limestone; sandstone; black shale
Camillus and Syracuse Formations (Upper Silurian) at surface, covers 15 % of this area
Camillus and Syracuse Formations - shale, dolostone, gypsum, salt.
Lithology: shale; dolostone (dolomite); evaporite
"Enfield" and Kattel Formations (Upper Devonian) at surface, covers 8 % of this area
"Enfield" and Kattel Formations - shale, siltstone, sandstone.
Lithology: shale; siltstone; sandstone
Beers Hill, Dunn Hill, Millport, and Moreland Shales (Upper Devonian) at surface, covers 0.9 % of this area
Beers Hill, Dunn Hill, Millport, and Moreland Shales.
Lithology: shale; black shale
Skaneateles Formation (Middle Devonian) at surface, covers 9 % of this area
Skaneateles Formation - Levanna Shale, Stafford Limestone Members.
Lithology: shale; limestone; black shale
Onondaga Limestone (Middle Devonian) at surface, covers 9 % of this area
Onondaga Limestone - Seneca, Morehouse (cherty), and Nedrow Limestone Members, Edgecliff cherty Limestone Member, local bioherms.
Lithology: limestone; chert
Moscow Formation (Middle Devonian) at surface, covers 6 % of this area
Moscow Formation - in west: Cooperstown and Portland Point shale and sandstone Members; In east: "Manorkill" and Portland Point shale and sandstone Members.
Lithology: shale; sandstone
Marcellus Formation (Middle Devonian) at surface, covers 4 % of this area
Marcellus Formation - Pecksport, Solsville, Otsego, and Chittenango shale and sandstone Members, Cherry Valley Limestone, and Union Springs Shale Members.
Lithology: black shale; limestone; shale; sandstone
Helderberg Group (Lower Devonian) at surface, covers 1 % of this area
Helderberg Group - West of Albany: Alsen, Becraft, New Scotland, Kalkberg, Coeymans, and Manlius Limestones; Rondout Dolostone. South of Albany: Port Ewen, Alsen thru Manlius Limestones; Rondout Dolostone.
Lithology: limestone; dolostone (dolomite)
Tully Limestone (Middle Devonian) at surface, covers 1 % of this area
Tully Limestone
Lithology: limestone
Akron Dolostone (Upper Silurian) at surface, covers 5 % of this area
Akron Dolostone - Bertie Formation-dolostone, shale.
Lithology: dolostone (dolomite); shale
Genesee Group (Upper Devonian) at surface, covers 14 % of this area
Genesee Group - West River Shale; Genundewa Limestone; Penn Yan and Geneseo Shales; North Evans Limestone.
Lithology: shale; limestone; siltstone; black shale

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