Elbrook Formation - Misplaced Pages

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Geologic formation in West Virginia

Elbrook Formation
Stratigraphic range: Cambrian
Type	Formation
Underlies	Conococheague Formation
Overlies	Waynesboro Formation
Location
Region	Appalachia and Southeastern United States
Country	United States
Extent	Virginia and West Virginia

The Elbrook Formation is a geologic formation in West Virginia, Maryland, and Pennsylvania. It dates back to the Cambrian period. Fossils of trilobite fragments have been discovered, but they are rare. The Elbrook Formation is not considered fossiliferous.

References

Paleozoic Sedimentary Successions of the Virginia Valley & Ridge and Plateau

Generalized Stratigraphic Chart for West Virginia

Chronostratigraphy of Virginia

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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

Upper

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

Middle

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

Lower

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

Pridoli

Ludlow

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

Wenlock

Homerian	Keefer Sandstone Rochester Shale
Sheinwoodian	Keefer Sandstone

Llandovery

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

pЄ

♇

Z	Swift Run Formation

Chronostratigraphy of West Virginia

Eocene	Igneous intrusives

J	Igneous intrusives

Cisuralian

Asselian	Dunkard Group

⁋

Gzhelian	Monongahela Formation
Kasimovian	Conemaugh Group
Moscovian	Allegheny Formation
Bashkirian	Pottsville Group Kanawha Formation New River Formation Pocahontas Formation

Serpukhovian	Bluestone Formation Princeton Sandstone Hinton Formation Bluefield Formation
Viséan	Greenbrier Group
Tournaisian	Price Formation Cuyahoga Formation Maccrady Formation Sunbury Shale Berea Sandstone

Upper

Famennian	Price Formation Berea Sandstone Bedford Shale Ohio Shale Brallier Formation
Frasnian	Brallier Formation Java Formation West Falls Formation Rhinestreet Sonyea Formation Harrell Shale Genesee Formation

Middle

Givetian	Tully Limestone Hamilton Group
Eifelian	Hamilton Group Marcellus Shale Onondaga Limestone Needmore Shale Huntersville Chert

Lower

Emsian	Needmore Shale Huntersville Chert
Pragian	Oriskany Sandstone
Lochkovian	Helderberg Group

Pridoli

Ludlow

Ludfordian	Salina Group Tonoloway Formation
Gorstian	Salina Group

Wenlock

Homerian	Salina Group Wills Creek Formation Williamsport Formation McKenzie Formation
Sheinwoodian	Lockport Dolomite McKenzie Formation

Llandovery

Telychian	Lockport Dolomite McKenzie Formation Keefer Formation Rose Hill Formation Rochester Shale
Aeronian	Tuscarora Sandstone Clinton Sandstone

Upper

Hirnantian	Cincinnati Group Juniata Formation
Katian	Cincinnati Group Juniata Formation Reedsville Formation Utica Shale
Sandbian	Lexington Limestone Trenton Limestone

Middle

Darriwilian	Trenton Limestone Black River Group
Dapingian	St. Paul Group

St. Peter Sandstone

Lower

Tremadocian

Wells Creek Formation

Knox Group

Furongian

Stage 10

Knox Group

Copper Ridge Dolomite

Chilhowee Group: Antietam Formation; Harpers Formation; Weverton Formation; Loudoun Formation

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Ediacaran	Catoctin Formation

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