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

Geologic units in Greene county, New York

Undifferentiated Lower Hamilton Group (Middle Devonian) at surface, covers 6 % of this area

Undifferentiated Lower Hamilton Group - Panther Mountain, Mount Marion, Stony Hollow, and Union Springs shales and sandstones.

Lithology: shale; sandstone; limestone

Schenectady Formation (Upper Ordovician) at surface, covers < 0.1 % of this area

Schenectady Formation - graywacke, sandstone, siltstone, shale.

Lithology: graywacke; sandstone; siltstone; shale

Mount Merino and Indian River Formations (Ordovician) at surface, covers 0.9 % of this area

Mount Merino and Indian River Formations - shale, slate, cherts.

Lithology: shale; slate; chert

Nassau Formation (Cambrian ?) at surface, covers < 0.1 % of this area

Nassau Formation - south of 43 degrees; slate, shale, thin quartzite, includes Stuyvesant Conglomerate, Diamond Rock Quartzite, Curtis Mountain Quartzite, and Bomoseen Graywacke Members.

Lithology: shale; quartzite; slate; conglomerate; graywacke

Glenerie Formation (Lower Devonian) at surface, covers 0.7 % of this area

Glenerie Formation - limestone, chert.

Lithology: limestone; chert; shale; conglomerate

Austin Glen Formation (Pawlet in Vermont) (Middle Ordovician) at surface, covers 7 % of this area

Austin Glen Formation (Pawlet in Vermont) - graywacke, shale.

Lithology: graywacke; shale

Unadilla, Laurens, New Lisbon, and Gilboa Formations (Middle Devonian) at surface, covers 0.2 % of this area

Unadilla, Laurens, New Lisbon, and Gilboa Formations - shale, siltstone, sandstone.

Lithology: shale; siltstone; sandstone

Germantown Formation (Cambrian) at surface, covers < 0.1 % of this area

Germantown Formation - south of Troy; shale, conglomerate, limestone.

Lithology: shale; conglomerate; limestone

Onondaga Limestone (Lower to Middle Devonian) at surface, covers 1 % of this area

Onondaga Limestone - Schoharie Formation-shale, limestone; Carlisle Center Siltstone; Esopus Shale.

Lithology: shale; limestone; siltstone

Moscow Formation (Middle Devonian) at surface, covers 36 % 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

Plattekill and Ashokan Formations (Middle Devonian) at surface, covers 24 % of this area

Plattekill Formation - shale, sandstone; Ashokan Formation-shale, sandstone.

Lithology: shale; sandstone

Stuyvesant Falls Formation (Ordovician) at surface, covers 0.3 % of this area

Stuyvesant Falls Formation - south of Troy; shale, siltstone.

Lithology: shale; siltstone

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)

Upper Walton Formation (Upper Devonian) at surface, covers 6 % of this area

Upper Walton Formation - shale, sandstone, conglomerate.

Lithology: shale; sandstone; conglomerate

"Enfield" and Kattel Formations (Upper Devonian) at surface, covers 0.5 % of this area

"Enfield" and Kattel Formations - shale, siltstone, sandstone.

Lithology: shale; siltstone; sandstone

Lower Walton Formation (Upper Devonian) at surface, covers 15 % of this area

Lower Walton Formation - shale, sandstone, conglomerate.

Lithology: shale; sandstone; conglomerate

Taconic Melange (Middle Ordovician) at surface, covers < 0.1 % of this area

Taconic Melange - chaotic mixture of Early Cambrian thru Middle Ordovician pebble to block-size clasts in a pelitic matrix of Middle Ordovician (Barneveld) age. Rims and floors earlier submarine gravity slides of Taconian Orogeny.

Lithology: melange

Normanskill Shale (Middle Ordovician) at surface, covers < 0.1 % of this area

Normanskill Shale - minor mudstone, sandstone.

Lithology: shale; mudstone; sandstone

Oriskany Formation (Lower Devonian) at surface, covers < 0.1 % of this area

Oriskany Formation - sandstone, arenaceous limestone.

Lithology: sandstone; limestone