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Mineral Resources > Online Spatial Data > Geology > by state > New York Geology

Geologic units in Madison county, New York

Onondaga Limestone (Middle Devonian) at surface, covers 2 % of this area

Onondaga Limestone - Seneca, Morehouse (cherty), and Nedrow Limestone Members, Edgecliff cherty Limestone Member, local bioherms.

Lithology: limestone; chert

Skaneateles Formation (Middle Devonian) at surface, covers 17 % of this area

Skaneateles Formation - Levanna Shale, Stafford Limestone Members.

Lithology: shale; limestone; black shale

Cobleskill Limestone (Upper Silurian) at surface, covers < 0.1 % of this area

Cobleskill Limestone - Bertie and Camillus Formations-dolostone, shale.

Lithology: dolostone (dolomite); shale; limestone

Vernon Shale (Upper Silurian) at surface, covers 7 % of this area

Vernon Shale

Lithology: shale; black shale

Ludlowville Formation (Middle Devonian) at surface, covers 25 % of this area

Ludlowville Formation - Deep Run Shale, Tichenor Limestone, Wanakah and Ledyard Shales, Centerfield Limestone Members.

Lithology: shale; limestone; sandstone; black shale

Oriskany Formation (Lower Devonian) at surface, covers 12 % of this area

Oriskany Formation - sandstone, arenaceous limestone.

Lithology: sandstone; limestone

Tully Limestone (Middle Devonian) at surface, covers 3 % of this area

Tully Limestone

Lithology: limestone

Genesee Group (Upper Devonian) at surface, covers 5 % of this area

Genesee Group - West River Shale; Genundewa Limestone; Penn Yan and Geneseo Shales; North Evans Limestone.

Lithology: shale; limestone; siltstone; black shale

Syracuse Formation (Upper Silurian) at surface, covers 2 % of this area

Syracuse Formation - dolostone, shale, gypsum, salt.

Lithology: dolostone (dolomite); shale; evaporite

Panther Mountain Formation (Middle Devonian) at surface, covers 0.1 % of this area

Panther Mountain Formation - shale, siltstone, sandstone.

Lithology: shale; siltstone; sandstone

Ilion Shale (Upper Silurian) at surface, covers 8 % of this area

Ilion Shale

Lithology: black shale

Moscow Formation (Middle Devonian) at surface, covers 9 % 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

Clinton Group (Silurian) at surface, covers 2 % of this area

Clinton Group - Herkimer Sandstone including Joslin Hill and Jordanville Members; Kirkland Hematite; Willowvale Shale; Westmoreland Hematite; Sauquoit Formation-sandstone, shale; Otsquago Sandstone; Oneida Conglomerate.

Lithology: shale; sandstone; chemical; conglomerate

Marcellus Formation (Middle Devonian) at surface, covers 2 % 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 5 % 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)