The Geology of Virginia's Blue Ridge
 
    

Well-cemented quartz sandstone of the lower Cambrian Antietam
Formation (Chilhowee Group).
Note: Skolithos tubes (parallel to
knife), trace fossils left by a worm-like creature that burrowed in the sand.

 
    

APPALACHIAN PLATEAU | VALLEY & RIDGE | PIEDMONT | BLUE RIDGE | COASTAL PLAIN
  BLUE RIDGE STRATIGRAPHY

 

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