Rockdale Run Formation

Geological formation in the United States

Rockdale Run Formation
Stratigraphic range: Lower Ordovician
Rockdale Run Formation in Skyline Caverns, Virginia
Type	Formation
Unit of	Beekmantown Group
Underlies	Pinesburg Station Dolomite
Overlies	Stonehenge Limestone
Thickness	2450 ft^[1]
Lithology
Primary	Limestone
Other	dolomite, chert
Location
Region	Maryland, Pennsylvania, Virginia^[2] and West Virginia
Country	United States

The Rockdale Run Formation is a geologic formation in Maryland, Pennsylvania, Virginia and West Virginia.^[1] It preserves fossils dating back to the Ordovician period.

See also

References

^ ^a ^b Geologic Unit: Rockdale Run, USGS
^ Paleozoic Sedimentary Successions of the Virginia Valley & Ridge and Plateau

Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.

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Chronostratigraphy of Virginia

Ph

Pz

⁋

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

Wenlock

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

This article about a specific stratigraphic formation in Virginia is a stub. You can help Wikipedia by expanding it.

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