The Catoctin Formation is a geologic formation that expands through Virginia, Maryland, and Pennsylvania. It dates back to the Precambrian and is closely associated with the Harpers Formation, Weverton Formation, and the Loudoun Formation. The Catoctin Formation lies over the a granite basement rock and below the Chilhowee Group making it only exposed on the outer parts of the Blue Ridge. The Catoctin Formation contains metabasalt, metarhyolite, and porphyritic rocks, columnar jointing, low-dipping primary joints, amygdules, sedimentary dikes, and flow breccias. Evidence for past volcanic activity includes columnar basalts and greenstone dikes.
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| dbo:abstract |
The Catoctin Formation is a geologic formation that expands through Virginia, Maryland, and Pennsylvania. It dates back to the Precambrian and is closely associated with the Harpers Formation, Weverton Formation, and the Loudoun Formation. The Catoctin Formation lies over the a granite basement rock and below the Chilhowee Group making it only exposed on the outer parts of the Blue Ridge. The Catoctin Formation contains metabasalt, metarhyolite, and porphyritic rocks, columnar jointing, low-dipping primary joints, amygdules, sedimentary dikes, and flow breccias. Evidence for past volcanic activity includes columnar basalts and greenstone dikes. (en) |
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wiki-commons:Special:FilePath/Chimney_rock_catoctin.jpg?width=300 |
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http://www.wvgs.wvnet.edu/www/images/GenStratChartWV20151113.pdf |
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dbr:Calcite dbc:Metamorphic_petrology dbr:Precambrian dbr:Pyroxene dbr:Quartz dbr:Rose_River_(Virginia) dbr:Epidote dbr:Metasomatism dbr:Basalt dbr:Biotite dbr:Blue_Ridge_Mountains dbr:Anorthosite dbr:Anticline dbr:Argillite dbr:Hornblende dbr:Pennsylvania dbr:Perpendicular dbr:United_States dbr:Virginia dbr:Interbedding dbr:Sedimentary_rock dbr:Weverton_Formation dbr:Cross-bedding dbr:Amygdule dbr:Maryland dbr:Chilhowee_Group dbr:Erosion dbr:Sorting_(sediment) dbr:Quartzite dbr:Conglomerate_(geology) dbr:Orthoclase dbr:Syenite dbr:Andesine dbr:Arkose dbc:Ediacaran_geology dbr:Malachite dbr:Cleavage_(geology) dbr:Columnar_jointing dbr:Fault_(geology) dbr:Harpers_Formation dbr:Parallel_(geometry) dbr:Catoctin_Mountain dbr:Cedar_Run,_Pennsylvania dbr:Iron_oxide dbr:Lava dbr:Lineation_(geology) dbr:Sericite dbr:Schist dbr:Albite dbr:Ediacaran dbr:Feldspar dbr:Basement_(geology) dbr:Breccia dbc:Geology_of_West_Virginia dbr:Dike_(geology) dbr:Fold_(geology) dbr:Foliation_(geology) dbr:Gneiss dbr:Granite dbr:Formation_(geology) dbr:Rift dbr:Hematite dbr:Chalcopyrite dbr:Chlorite_group dbr:Thrust_fault dbr:Plagioclase dbr:Greywacke dbr:Metamorphosed dbr:Metamorphism dbr:Microscope dbr:Matrix_(geology) dbr:Sandstone dbr:Shale dbr:Shearing_(physics) dbr:Slate dbr:Vein_(geology) dbr:Weathering dbr:Euhedral_and_anhedral dbr:Formation_(stratigraphy) dbr:Phyllite dbr:Titanite dbr:Zeolite dbr:Mylonite dbr:Porphyritic dbr:Paleosol dbr:Quartz_monzonite dbr:File:Amygdules_in_Greenstone_in_the_Catoctin_Formation.jpg dbr:File:Columnar_Jointing_in_the_Catoctin_Formation.jpg dbr:File:Greenstone_dikes_in_basement_rocks.jpg |
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dbr:Ediacaran |
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InternetArchiveBot (en) |
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dbr:United_States |
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November 2019 (en) |
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yes (en) |
| dbp:mapCaption |
Geological Map of the Catoctin Formation shown in blue and other formations associated with it. (en) |
| dbp:name |
Catoctin Formation (en) |
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Arthur Keith (en) |
| dbp:namedfor |
Its exposure on Catoctin Mountain (en) |
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Basement Rock (en) |
| dbp:period |
Ediacaran (en) |
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Virginia, Maryland, and Pennsylvania (en) |
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100 (xsd:integer) |
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dbr:Formation_(stratigraphy) |
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Chilhowee Group (en) |
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dbt:Infobox_rockunit dbt:Dead_link dbt:Reflist dbt:Stratigraphic_column_of_West_Virginia |
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dbc:Metamorphic_petrology dbc:Ediacaran_geology dbc:Geology_of_West_Virginia |
| rdfs:comment |
The Catoctin Formation is a geologic formation that expands through Virginia, Maryland, and Pennsylvania. It dates back to the Precambrian and is closely associated with the Harpers Formation, Weverton Formation, and the Loudoun Formation. The Catoctin Formation lies over the a granite basement rock and below the Chilhowee Group making it only exposed on the outer parts of the Blue Ridge. The Catoctin Formation contains metabasalt, metarhyolite, and porphyritic rocks, columnar jointing, low-dipping primary joints, amygdules, sedimentary dikes, and flow breccias. Evidence for past volcanic activity includes columnar basalts and greenstone dikes. (en) |
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Catoctin Formation (en) |
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wikidata:Catoctin Formation https://global.dbpedia.org/id/2qdYY |
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wikipedia-en:Catoctin_Formation?oldid=1114049318&ns=0 |
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wiki-commons:Special:FilePath/Chimney_rock_catoctin.jpg wiki-commons:Special:FilePath/Amygdules_in_Greenstone_in_the_Catoctin_Formation.jpg wiki-commons:Special:FilePath/Columnar_Jointing_in_the_Catoctin_Formation.jpg wiki-commons:Special:FilePath/Greenstone_dikes_in_basement_rocks.jpg |
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wikipedia-en:Catoctin_Formation |
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dbr:Chilhowee_Group |
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dbr:Swift_Run_Formation |
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wikipedia-en:Catoctin_Formation |
