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Schoharie Formation

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Schoharie Formation
Stratigraphic range: Devonian
Type	Formation
Sub-units	Gumaer Island Mbr Aquetuck Mbr Saugerties Mbr Carlisle Center Mbr
Underlies	Onondaga Limestone
Lithology
Primary	Siltstone, sandstone
Other	Limestone
Location
Region	New York Pennsylvania Virginia
Country	United States
Type section
Named for	Schoharie, NY

The Schoharie Formation is a Devonian formation found in outcrop in New York, New Jersey, Pennsylvania, and Virginia. Also known as the "Schoharie Grit" in central New York, due to the "gritty" consistency of the formation.

Description

The Schoharie is made up of finer grained siliciclastics and calcareous material, with the formation becoming less calcareous towards the top.

References

Fisher, Donald W. (9 December 2023). "DEVONIAN STRATIGRAPHY AND PALEOECOLOGY IN THE CHERRY VALLEY, NEW YORK REGION" (PDF). Otto's Website. Retrieved 9 December 2023.
Bartholomew, Alex; Ver Straeten, Charles (7 August 2023). "Lower and Middle Devonian Strata of New York State: Genesee River Valley to the Hudson Valley" (PDF). Geneseo State University of New York. Retrieved 9 December 2023.

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Chronostratigraphy of New York

Famennian	Cattaraugus Formation Chadokin Formation NE Shale Oswayo Formation Panama Conglomerate Perrysburg Formation Westfield Shale
Frasnian	Rhinestreet Formation Genesee Group Geneseo Shale Java Formation Sonyea Formation West Falls Formation

Givetian	Tully Limestone Hamilton Group Moscow Formation Ludlowville Formation Skaneatales Formation
Eifelian	Marcellus Shale Onondaga Limestone Tioga Bentonites

Emsian	Bois Blanc Formation

Bertie Formation

Ludfordian	Salina Group
Gorstian	Salina Group

Homerian	Salina Group

Kings Falls Formation

Black River Group: Lowville Formation

Black River Group

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Chronostratigraphy of Pennsylvania

Dunkard Group
Greene Formation:

Windy Gap Limestone

Windy Gap Coal

Gilmore Sandstone

Nineveh Sandstone

Nineveh Coal

Nineveh Limestone

Fish Creek Sandstone

Claysville Limestone

Dunkard Coal

Prosperity Limestone

Tenmile Coal

Donley Limestone

Upper Washington Coal

Rockport Member

Washington Formation:

Upper Washington Limestone Member

Jollytown Limestone Member

Jollytown Coal

Middle Washington Limestone Member

Washington Coal

Lower Washington Limestone Member

Gzhelian	Dunkard Group Waynesburg Formation: Upper Waynesburg Member Little Washington Coal Waynesburg“B” coal Middle Waynesburg Member Waynesburg“A” coal Lower Waynesburg Member Monongahela Group Uniontown Formation: Waynesburg coal "No. 11 Coal" Gilboy Sandstone Member Little Waynesburg Coal Waynesburg Limestone Member Uniontown Sanstone Member Annabelle Shale Member Uniontown Coal "No. 10 Coal" Uniontown Limestone Member "Great Lime" Fulton Shale Member Pittsburgh Formation: Benwood Limestone Upper Sewickley Coal Upper Sewickley Sandstone Member Sewickley Coal "Meigis Creek" "No. 9 Coal" Lower Sewickley Sandstone Member Sewickley Limestone Member Cedarville Sanstone Member Redstone-Pomeroy coal "No 8a. Coal" Westone Sanstone Member Pittsburgh coal seam "No. 8 Coal"
Kasimovian	Conemaugh Group Casselman Formation: Upper Pittsburgh Limestone Member Little Pittsburgh coal seam Lower Pittsburgh Limestone Member Connellsville Member Morgantown Member Birmingham Member Glenshaw Formation Ames Limestone Pittsburgh Red Beds Upper Bakerstown coal Upper Saltsburg Sandstone Member Woods Run Limestone Member Lower Saltsburg Sandstone Member Pine Creek Limestone Member Buffalo Sandstone Member Bush Creek Limestone Member Mahoning Formation Bush Creek Coal Upper Mahoning Sandstone Member Mahoning Coal "No. 7a Coal" Lower Mahoning Sandstone Member
Moscovian	Allegheny Group Freeport Formation: Upper Freeport Coal "No. 7 Coal" Upper Freeport Limestone Member Butler Sandstone Member Lower Freeport Coal "No. 6a Coal" Upper Freeport Limestone Member Freeport Sandstone Member Kittanning Formation Upper Kittanning Coal Johnstone Limestone Member Middle Kittanning Coal "No. 6 Coal" Lower Kittanning Coal "No. 5 Coal" Kittanning Sandstone Member Clarian Formation Clarian Coal "No. 4a Coal" Vanport Limestone Member Brookville Coal "No. 4 Coal" Brookville Member Pottsville Group Beaver River Formation: Homewood Sandstone Member "1st Salt Sand" Mercer Formation Upper Mercer Limestone Member Upper Mercer Coal Lower Mercer Limestone Member Lower Mercer Coal "No. 3 Coal"
Bashkirian	Pottsville Group Connoquenessing Formation: Upper Connoquenessing Sandstone Member "2nd Salt Sand" Quakertown Coal "No. 2 Coal" Quakertown Fire Clay Quakertown Shale Lower Connoquenessing Sandstone Member Sharon Formation Sharon Shale Member Sharon Coal "No. 1 Coal" Sharon Sandstone

Shenango Formation

Mauch Chunk Group

Bluestone Formation

Princeton Formation

Hinton Formation

Maxton Sandstone

Bluefield Formation "Little Lime"

Greenbrier Limestone "Big Lime" Loyalhanna Formation

Cuyahoga Formation

Pocono Group

Burgoon Formation "Big Injun Sandstone"

Sunbury Shale

Berea Sandstone

Bedford Shale
Rockwell Formation

Venango Group

Gantz, Hundred-foot sand, Fifty-foot sand, Thirty-foot sand, Nineveh-Snee, Gordon Stray, Fourth Sand, Fifth Sand, Bayard Sand, Elizabeth Sand, Sweet Richard,

Chadakoin Formation, First Warren

Bradford Group

Upper Warren, Lower Warren, Speechely Stray, Speechely, Balltown A, Balltown B, Balltown C, Sheffield, First Bradford, Second Bradford, Third Bradford, Kane

Elk Group

1st Elk Sand, 2nd Elk Sand, 3rd Elk Sand, 4th Elk Sand, 5th Elk Sand

Ohio Shale

Cleveland Shale

Chagrin Formation

Huron Shale

Catskill Group

Duncannon Member

Sherman Creek Member

Irish Valley Member

Catskill Group

Sherman Creek Member

Irish Valley Member

West Falls Group

Angola Formation

Rhinestreet Shale

Sonyea Group

Cashaqua Shale

Middlesex Shale

Genesee Group / Harrell Shale

West River Shale

Penn Yan Formation

Burket Shale / Geneseo Shale

Tully Limestone

Hamilton Group

Hamilton Group

Marcellus Formation

Onondaga Limestone

Seneca

Moorehouse

Nedrow

Edgecliff

Huntersville Chert

Bobs Ridge Sandstone Member
Needmore Shale

Huntersville Chert, Needmore Shale, Bois Blanc Formation
Oriskany Formation
Helderberg Group (geology)

Helderberg Group (geology)

Helderberg Group (geology)

Keyser Formation

Manlius Limestone

Salina Group

Bertie Formation

Salina Group

Camillus Formation

Salina Group

Syracuse Formation

Salina Group

Vernon Formation

Lockport Group

Guelph Formation

Eramosa Formation

Goat Island Formation

Gasport Formation

Clinton Group

Rochester Shale

Rose Hill Formation "Red Clinton"

Medina Group

Tuscarora Formation

Trenton Group

Coburn Formation

Salona Formation

Rodman Formation

Black River Group

Linden Hall Formation

Snyder Formation

Hatter Formation

Loyalsburg Formation

Wells Creek Formation

Knox Supergroup Beekmantown Group:

Bellefonte Formation

Knox Supergroup

Beekmantown Group

Axeman Formation

Nittany Formation

Stonehenge Formation

Knox Supergroup

Stage 4	Kinzers Formation

Grenville Complex

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Chronostratigraphy of Virginia

Moscovian	Betsie Shale Grundy Formation Hyden Formation Kendrick Shale Pikeville Formation
Bashkirian	Bee Rock Formation Hensley Shale Sewannee Formation Warren Point Formation

Lee Formation

Serpukhovian	Bluefield Formation Bluestone Formation Cove Creek Formation Fido Sandstone Hinton Formation Princeton Formation Stony Gap Formation
Viséan	Denmar Formation Fort Payne Formation Gasper Formation Hillsdale Formation Little Valley Formation Maccrady Formation Taggard Formation
Tournaisian	Maccrady Formation Price Formation Sunbury Shale
Pocono Formation

Famennian	Brallier Formation Foreknobs Formation Cloyd Conglomerate Hampshire Formation Millboro Shale Pound Formation
Frasnian	Brallier Formation Foreknobs Formation Millboro Shale Pound Formation

Givetian	Mahantango Formation Millboro Shale
Eifelian	Huntersville Chert Tioga Bentonites Marcellus Shale Millboro Shale

Emsian	Huntersville Chert Needmore Shale
Pragian	Oriskany Sandstone Ridgeley Sandstone Wildcat Valley Sandstone
Lochkovian	Helderberg Group Keyser Limestone Oriskany Sandstone Ridgeley Sandstone Wildcat Valley Sandstone

Ludfordian	Bloomsburg Formation Keefer Sandstone McKenzie Formation
Gorstian	Bloomsburg Formation Keefer Sandstone Lockport Dolomite

Homerian	Keefer Sandstone Rochester Shale
Sheinwoodian	Keefer Sandstone

Telychian	Massanutten Sandstone Rose Hill Formation Tuscarora Sandstone
Aeronian	Massanutten Sandstone Tuscarora Sandstone

Upper	Bays Formation Benbolt Formation Blackford Formation Bowen Formation Chatham Hill Formation Edinburg Formation Effna Limestone Eggleston Formation Elway Limestone Fetzer Limestone Five Oaks Limestone Gratton Formation Juniata Formation Knobs Formation Lenoir Formation Lincolnshire Formation Martinsburg Formation Moccasin Formation Mosheim Limestone New Market Limestone Oranda Formation Oswego Formation Paperville Shale Reedsville Formation Rich Valley Formation Rockdell Formation Trenton Limestone Ward Cove Limestone Wardell Formation Wassum Formation Witten Formation
Middle	Pinesburg Station Dolomite
Lower	Chepultepec Dolomite Kingsport Formation Longview Limestone Mascot Dolomite Rockdale Run Formation Stonehenge Limestone

Z	Swift Run Formation

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