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Antietam Formation

Antietam Formation (Chilhowee Group) - gray to white quartzite, sandstone and quartz-schist; thick-bedded, and resistant; contains Scolithus.
StateWest Virginia
NameAntietam Formation
Geologic ageCambrian
Original map labelCa
CommentsThickness: Northeastern 550 ft, Southeastern - Chilhowee Group 1200 ft (estimate only).
Primary rock typequartzite
Secondary rock typesandstone
Other rock typesschist
Lithologic constituents
Major
Metamorphic > Metasedimentary > Metaclastic > Quartzitegray to white quartzite; thick-bedded, and resistant; contains Scolithus
Minor
Sedimentary > Clastic > Sandstone
Incidental
Metamorphic > Schistquartz-schist
Map references
Digital version of 1968 printed map available from http://wvgis.wvu.edu/data/data.php with the specific data available from http://wvgis.wvu.edu/data/dataset.php?action=search&ID=43
Unit references
Cardwell, D.H., Erwin, R.B., and Woodward, H.P., 1968 (slightly revised 1986), Geologic Map of West Virginia: West Virginia Geological and Economic Survey, Map 1, East Sheet, scale 1:250,000.
Geographic coverageJefferson

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