C H I L H O W E E S A N D S T O N E
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.
| VALLEY & RIDGE | BLUE RIDGE | PIEDMONT | COASTAL PLAIN