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Geologic formation in the eastern US
The Catoctin Formation is a geologic formation that expands through Virginia, Maryland, and Pennsylvania. It dates back to the Precambrian and is closely
Catoctin_Formation
Multicoloured metamorphic rock
the Catoctin Formation to unakite, characterized by green epidote, pink feldspar and blue quartz. Where the lava flows of the Neoproterozoic Catoctin Formation
Unakite
Mountain range in eastern North America
the best examples of mafic rocks from the breakup of Rodinia is the Catoctin Formation. Erupted during the final stages of rifting associated with Rodinia
Appalachian_Mountains
Geologic group
shale formations are included between the Cashaqua and Middlesex members, including Rye Point Shale, Rock Stream Formation ("Enfield Formation") Siltstone
Sonyea_Formation
Geologic formation in the eastern United States
The Ordovician Martinsburg Formation (Om) is a mapped bedrock unit in Pennsylvania, New Jersey, Maryland, Virginia, and West Virginia. It is named for
Martinsburg_Formation
Middle Devonian age unit of sedimentary rock
The Marcellus Formation or the Marcellus Shale is a Middle Devonian age unit of sedimentary rock found in eastern North America. Named for a distinctive
Marcellus_Formation
Limestone bedrock unit in the Eastern United States
The Late Silurian to Early Devonian Keyser Formation is a mapped limestone bedrock unit in Pennsylvania, Maryland, Virginia, and West Virginia. The Keyser
Keyser_Formation
National park in Virginia, United States
sedimentary and volcanic rocks of the Swift Run and Catoctin formations. Columns of Catoctin Formation metamorphosed basalt can be seen at Compton Peak.
Shenandoah_National_Park
The Hampshire Formation is a geologic formation in West Virginia, USA. It preserves fossils dating back to the Devonian period. Earth sciences portal
Hampshire_Group
Geologic formation in the United States
The Swift Run Formation is a geologic formation in Virginia and West Virginia. It dates back to the Neoproterozoic. Earth sciences portal Virginia portal
Swift_Run_Formation
Lithostratigraphic unit
grainstones. Numerous solution caves are developed within the Greenbrier Formation. List of types of limestone Geology of West Virginia Haught, O.L. (1968)
Greenbrier_Group
Geologic formation in West Virginia, Pennsylvania, and Ohio, United States
The Monongahela Formation is a geologic formation in West Virginia, Pennsylvania, Ohio, and Maryland. It is dated to the Carboniferous period. The top
Monongahela_Formation
Hard limestones rock formation in North America
it outcrops; in others, especially its Southern Ontario portion, the formation can be less prominent as a local surface feature.[citation needed] In
Onondaga_Limestone
Stratigraphical unit of Upper Ordovician age in the Appalachian Basin
Formation Elbrook Formation Rome Group Tomstown Dolomite Waynesboro Formation pЄ ♇ Z Ediacaran Catoctin Formation Swift Run Formation Grenville Complex
Utica_Shale
Geological formation in the United States
The Devonian Mahantango Formation is a mapped bedrock unit in Pennsylvania, West Virginia, and Maryland. It is named for the North branch of the Mahantango
Mahantango_Formation
Rock formation in the USA
The Ordovician Reedsville Formation is a mapped surficial bedrock unit in Pennsylvania, Maryland, Virginia, West Virginia, and Tennessee, that extends
Reedsville_Formation
Late Triassic geologic formation in Maryland and Virginia, USA
Proterozoic and Cambrian Catoctin Formation and Chilhowee Group exposed along the Blue Ridge Mountains. The Catharpin Creek Formation is the youngest fully
Catharpin_Creek_Formation
Mountain in Virginia, US
after the Grenville orogeny during the Catoctin Formation, deposition of basaltic magma occurred during the formation of the Iapetus Ocean, forming a layer
Old_Rag_Mountain
The Price Formation is a geologic formation in Virginia and West Virginia. It preserves fossils dating back to the Carboniferous period. Earth sciences
Price_Formation
Geologic formation in West Virginia, United States
The Bluefield Formation is a geologic formation in West Virginia. It preserves fossils dating back to the Mississippian subperiod of the Carboniferous
Bluefield_Formation
The Silurian Bloomsburg Formation is a mapped bedrock unit in Pennsylvania, New Jersey, New York and Maryland. It is named for the town of Bloomsburg
Bloomsburg_Formation
Bedrock unit in the Eastern United States
Wills Creek Formation is a mapped Silurian bedrock unit in Pennsylvania, Maryland, Virginia, and West Virginia. The Wills Creek is defined as a moderately
Wills_Creek_Formation
Devonian geologic unit in the Appalachian basin
The Genesee Formation (Group) is a geologic formation in New York. It is equivalent the Harrell Shale in Pennsylvania. It dates back to the Upper Devonian
Genesee_Formation
Large Geologic Group
The Salina Group or Salina Formation is a Late Silurian-age, stratigraphic unit of sedimentary rock that is found in Northeastern and Midwestern North
Salina_Group
Geological formation in the United States
Formation mapped sedimentary bedrock unit in Pennsylvania, Maryland, and West Virginia, of Pennsylvanian age. It is the uppermost of two formations in
Casselman_Formation
Sandstone formation in the United States
Berea Sandstone, also known as Berea Grit, is a sandstone formation in the U.S. states of Michigan, Ohio, Pennsylvania, West Virginia, and Kentucky. It
Berea_Sandstone
American geologic formation
The Washington Formation is a coal, sandstone, and limestone geologic formation located in Ohio, Pennsylvania and West Virginia. It dates back to the Lower
Washington_Formation
Geologic formation in the United States
The Ludlowville Formation is a geologic formation in New York, Ohio and Pennsylvania. It is the Middle Formation of the Hamilton Group. It dates to the
Ludlowville_Formation
Geologic formation in 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
Elbrook_Formation
Bedrock unit in Pennsylvania, Maryland, West Virginia, and Virginia, US
The Silurian Tuscarora Formation — also known as Tuscarora Sandstone or Tuscarora Quartzite — is a mapped bedrock unit in Pennsylvania, Maryland, West
Tuscarora_Sandstone
Geologic formation in the United States
The Late Silurian Tonoloway Formation is a mapped limestone bedrock unit in Pennsylvania, Maryland, Virginia and West Virginia. The Tonoloway is roughly
Tonoloway_Formation
Rock formation in the United States
contains four formations; the Loudoun Formation, Weverton Formation, Harpers Formation and Antietam Formation. Another name for the Harpers formations is the
Chilhowee_Group
Geologic group in the Appalachian Basin, U.S.
Group.[citation needed] The West Falls formation is bounded above by the Java Group and below by the Sonyea Formation. It comprises the Angola Shale and Rhinestreet
West_Falls_Group
Geologic formation in the United States
The Harpers Formation is a geologic formation in Maryland, Pennsylvania, Virginia, and West Virginia, consisting of schist, phyllite, and shale. It dates
Harpers_Formation
Mapped bedrock in the United States
The Devonian Harrell Formation is a mapped bedrock unit in Pennsylvania, Maryland, West Virginia, and Virginia. The Harrell Formation was first described
Harrell_Shale
Geologic Unit found in the Appalachian Basin
The Tully Formation is a geologic unit in the Appalachian Basin. The Tully was deposited as a carbonate rich mud, in a shallow sea at the end of the Middle
Tully_Formation
Geological formation in the United States
Devonian Foreknobs Formation is a mapped bedrock unit in Pennsylvania, Maryland, Virginia, and West Virginia. The Foreknobs Formation contains massive sandstones;
Foreknobs_Formation
Geological formation in Ontario, Canada
Bertie Limestone, also referred to as the Bertie Dolomite and the Bertie Formation, is an upper Silurian (Pridoli, or Cayugan) geologic group and Lagerstätte
Bertie_Group
American Viticultural Area in Virginia
dominated by the Catoctin Formation, which consists of mostly greenstone and charnokytes, and also some acidic quartzite. The Catoctin Formation continues to
Middleburg_Virginia_AVA
Geologic group in West Virginia, United States
Formation Elbrook Formation Rome Group Tomstown Dolomite Waynesboro Formation pЄ ♇ Z Ediacaran Catoctin Formation Swift Run Formation Grenville Complex
Conasauga_Group
Fossiliferous statigraphic unit
The Tomstown Dolomite or Tomstown Formation is a geologic formation in Maryland, Pennsylvania, Virginia and West Virginia. It preserves fossils dating
Tomstown_Dolomite
Mountain pass in Virginia, United States
through the gap. Rockfish Gap is underlain by greenstones of the Catoctin Formation, a late Neoproterozoic geologic unit exposed throughout the Blue Ridge
Rockfish_Gap
Geologic formation in West Virginia, United States
The Hinton Formation is a geologic formation in West Virginia. It preserves fossils dating back to the Carboniferous period. It is mainly made up of limestone
Hinton_Formation
Geologic formation
The New River Formation is a geologic formation in West Virginia. It preserves fossils dating back to the Carboniferous period. Earth sciences portal
New_River_Formation
Geologic formation in West Virginia, United States
The Rose Hill Formation is a geologic formation in West Virginia, United States. This formation dates back to the Silurian period, and is a source of
Rose_Hill_Formation
Widespread shallow marine limestone
thin bedded deep water limestone. The formation is composed of thin interbedded wackestone and shale. This formation can be organic rich in parts and sub
Trenton_Group
Geologic formation in the United States
The Antietam Formation or Antietam Sandstone is a geologic formation in Pennsylvania, Maryland, West Virginia, Virginia, and Tennessee.. In Virginia and
Antietam_Formation
North American geological formation
The St. Peter Sandstone is an Ordovician geological formation. It belongs to the Chazyan stage of the Champlainian series in North American regional stratigraphy
St._Peter_Sandstone
Bedrock formation in the United States
The Ordovician Juniata Formation is a mapped bedrock unit in Pennsylvania, West Virginia, Virginia, Tennessee, and Maryland. It is a relative slope-former
Juniata_Formation
Geologic formation in the United States
The Weverton Formation is a quartzite geologic formation in Maryland, Virginia, West Virginia, and Pennsylvania. It is considered the basal member of
Weverton_Formation
Geological Group in North America
shale with some sandstone. There are two main formations encompassed by the group: the Mahantango Formation and the Marcellus Shale. In southwestern Virginia
Hamilton_Group
Geologic group in the eastern United States
Formation Elbrook Formation Rome Group Tomstown Dolomite Waynesboro Formation pЄ ♇ Z Ediacaran Catoctin Formation Swift Run Formation Grenville Complex
Conemaugh_Group
Widespread geologic group in the Southeastern United States
The Knox Supergroup, also known as the Knox Group and the Knox Formation, is a widespread geologic group in the Southeastern United States. The age is
Knox_Supergroup
Mountain in Virginia, United States
early Paleozoic eras. The formation consists primarily of metabasalt greenstone deposited during the early Catoctin Formation and interspersed with metasedimentary
Short_Hill_Mountain
above the Tully Limestone member of the Mahantango Formation. The geographical extent of the formation includes southern New York, Pennsylvania, eastern
Burket_Shale
Mountain in Virginia, US
granite formation created during the Grenville Orogeny on the ocean floor about a billion years ago. About 400 million years later, during the Catoctin Formation
Humpback_Rock
volcanic activity, resulting in a layer of basalt, today known as the Catoctin formation, burying the existing ridges and valleys. Little of West Virginia's
Geology_of_West_Virginia
Pennsylvanian-age geological unit
The Allegheny Group, often termed the Allegheny Formation, is a Pennsylvanian-age geological unit in the Appalachian Plateau. It is a major coal-bearing
Allegheny_Group
Geologic formation in West Virginia, United States
The Bluestone Formation is a geologic formation in West Virginia. It is the youngest unit of the Upper Mississippian-age Mauch Chunk Group. A pronounced
Bluestone_Formation
Geologic formation in Michigan
The Bass Islands Formation is a geologic formation in Michigan. It preserves fossils dating back to the Silurian period. Michigan portal Paleontology
Bass_Islands_Formation
Formation Elbrook Formation Rome Group Tomstown Dolomite Waynesboro Formation pЄ ♇ Z Ediacaran Catoctin Formation Swift Run Formation Grenville Complex
Greenland_Gap_Group
Geologic formation in the United States
The Huntersville Chert or Huntersville Formation is a Devonian geologic formation in the Appalachian region of the United States. It is primarily composed
Huntersville_Chert
The Cussewago Formation is a geologic formation found Pennsylvania, Ohio and West Virginia. This formation represents a paleo-river delta containing sandstone
Cussewago_Formation
Geologic formation in West Virginia, United States
The Pocahontas Formation is a coal-bearing geologic formation in West Virginia. It preserves fossils dating back to the Carboniferous period. Earth sciences
Pocahontas_Formation
Geologic group in West Virginia, United States
Formation Elbrook Formation Rome Group Tomstown Dolomite Waynesboro Formation pЄ ♇ Z Ediacaran Catoctin Formation Swift Run Formation Grenville Complex
Rome_Group
Geologic formation in West Virginia
The Princeton Sandstone is a geologic formation in West Virginia. It preserves fossils dating back to the Carboniferous period. Earth sciences portal
Princeton_Sandstone
Mountain in West Virginia, United States
than sections to the south. The greenstone was deposited during the Catoctin Formation and uplifted during the Alleghenian Orogeny. Blue Ridge Mountain contains
Blue_Ridge_Mountain
Bedrock formation in the United States
The Devonian Scherr Formation is a mapped bedrock unit in Pennsylvania, Maryland, Virginia and West Virginia. The Scherr Formation consists predominantly
Scherr_Formation
Geologic group in Eastern and Midwestern, USA
areas where this Geologic Unit thins it is also called the Black River Formation (undifferentiated). One example of this is over the Cincinnati Arch and
Black_River_Group
Geologic formation in the United States
Sandstone is a sandstone geologic formation in West Virginia, Virginia, Pennsylvania, and Maryland. The formation includes the Cedar Creek Limestone
Williamsport_Formation
Geologic formation in the United States
Brallier Formation is a mapped bedrock unit in Pennsylvania, Maryland, West Virginia, and Virginia in the United States. The Brallier Formation was described
Brallier_Formation
Geologic formation in Ohio
The Ohio Shale is a geologic formation in Ohio. It preserves fossils dating back to the Devonian period. Earth sciences portal Ohio portal Paleontology
Ohio_Shale
Geologic formation in the United States
The Waynesboro Formation is a limestone, dolomite, and sandstone geologic formation in Virginia, Maryland, Pennsylvania and West Virginia. In some areas
Waynesboro_Formation
Carboniferous era eologic formation in West Virginia
The Maccrady Formation is a geologic formation in West Virginia. It preserves fossils dating back to the Carboniferous period. Earth sciences portal Paleontology
Maccrady_Formation
Geologic group in West Virginia, United States
Formation Elbrook Formation Rome Group Tomstown Dolomite Waynesboro Formation pЄ ♇ Z Ediacaran Catoctin Formation Swift Run Formation Grenville Complex
St._Paul_Group
Geologic formation in West Virginia, United States
The Oswego Formation is a geologic formation in West Virginia. It dates back to the Ordovician period. Earth sciences portal Paleontology portal Paleozoic
Oswego_Formation
Needmore Formation or Needmore Shale is a mapped bedrock unit in Pennsylvania, Maryland, Virginia, and West Virginia. The Needmore Formation was originally
Needmore_Shale
Sandstone geological formation in Virginia, United States
metamorphic rocks, probably sourced from rocks of the Neoproterozoic Catoctin Formation and the Lower Cambrian Chilhowee Group. The Rapidan Member outcrops
Manassas_Sandstone
Geological formation in West Virginia, US
The Kanawha Formation is a geologic formation in West Virginia. It preserves fossils dating back to the Carboniferous period. Earth sciences portal Paleontology
Kanawha_Formation
Marylander mapped bedrock unit
The Silurian McKenzie Formation is a mapped bedrock unit in Maryland. The McKenzie Formation is a gray, thin-bedded shale and argillaceous limestone, with
McKenzie_Formation
Geologic formation in the United States
group in New York and Northern Pennsylvania. It is considered geologic formation in Kentucky, Western New York, Ohio, southern and western Pennsylvania
Java_Group
Dunkard contains three formation. Starting at the base (oldest) is the Waynesburg Formation, Washington Formation, and Greene Formation. The base is marked
Dunkard_Group
A carbonate unit in the Appalachian Basin and Cincinnati arch
is a geologic formation in with exposures in Kentucky, Tennessee and West Virginia. It dates back to the Ordovician period. This formation rests unconformably
Wells_Creek_Dolomite
Geological formation in the United States
The Bedford Shale is a shale geologic formation in the states of Ohio, Michigan, Pennsylvania, Kentucky, West Virginia, and Virginia in the United States
Bedford_Shale
Geologic formation in the United States
Formation Elbrook Formation Rome Group Tomstown Dolomite Waynesboro Formation pЄ ♇ Z Ediacaran Catoctin Formation Swift Run Formation Grenville Complex
Ridgeley_Sandstone
Mountain range in Virginia, United States
geological extension of the same formation that makes up the Catoctin Mountain. This formation consist mainly of Catoctin greenstone interspersed with white
Bull_Run_Mountains
Valley in Virginia, United States
Blue Ridge and Short Hill mountains, which were deposited during the Catoctin Formation of the late Proterozoic period and uplifted during the Grenville Orogeny
Between_the_Hills
Census-designated place in Maryland, United States
rock formation on the adjacent Catoctin Mountain, which was formed by the Potomac River cutting through the ridge in a water gap, a typical formation in
Point_of_Rocks,_Maryland
Geologic formation in Michigan, United States
The Sunbury Shale is a geologic formation in Michigan. It preserves fossils dating back to the Mississippian period. Earth sciences portal Michigan portal
Sunbury_Shale
Topics referred to by the same term
Rock, a quartzite formation and scenic vista at Catoctin Mountain Park in northern Maryland, United States Chimney Rock, a rock formation near Ghost Ranch
Chimney_Rock
Store in Lucketts, Virginia
department would let it burn down in the event of a fire. It is within the Catoctin Rural Historic District, which was listed on the Virginia Landmarks Register
Lucketts_Store
Mountain and park about 10 miles (16 km) south of Frederick, Maryland, USA
he was persuaded by Strong to choose the nearby Shang-Ri-La site on the Catoctin Mountain, which today is known as Camp David. Strong set up a trust fund
Sugarloaf_Mountain_(Maryland)
Genus of flowering plants
Latah Formation of the inland Pacific Northwest United states. The related Miocene species †Hydrangea bendirei is known to from the Mascall Formation in
Hydrangea
Town in Virginia, United States
33 miles (53 km) west-northwest of Washington, D.C., along the base of Catoctin Mountain and close to the Potomac River. The town is the northwestern terminus
Leesburg,_Virginia
Worldwide glaciation episodes during the Proterozoic eon
Meert, J.G.; Van Der Voo, R.; Payne, T.W. (1994). "Paleomagnetism of the Catoctin volcanic province: A new Vendian-Cambrian apparent polar wander path for
Snowball_Earth
Town in Maryland, United States
-3 degrees c isotherm). It is known for being located near the base of Catoctin Mountain. The primary method of travel to and from Emmitsburg is by road
Emmitsburg,_Maryland
River in the Mid-Atlantic United States
drain into the Potomac: Antietam Creek, Shenandoah River, Catoctin Creek (Virginia), Catoctin Creek (Maryland), Tuscarora Creek, Monocacy River, Little
Potomac_River
County in Arizona, United States
American Ranch Apron Crossing Big Bug Bradshaw City Bumble Bee Chaparral Catoctin Cherry Cleator Clemenceau Congress Cordes Curtis Gillett Jerome Junction
Yavapai_County,_Arizona
Military operational unit of the US Office of Strategic Services
Langer Facilities Apex Building Camp Ritchie Camp X E Street Complex Catoctin Mountain Park Camp David Congressional Country Club Library of Congress
OSS_Detachment_101
US Navy special operations group
OSS Training in the National Parks and Service Abroad in World War II, Catoctin Mountain Park, Prince William Forest Park webpage, 8 August 2017, National
Underwater_Demolition_Team
CATOCTIN FORMATION
CATOCTIN FORMATION
CATOCTIN FORMATION
CATOCTIN FORMATION
CATOCTIN FORMATION
CATOCTIN FORMATION
CATOCTIN FORMATION
CATOCTIN FORMATION
CATOCTIN FORMATION