Knox Group  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Paleozoic
 ...Knox Group
RTLower Ordovician
 Virginia
 North Carolina
 Georgia
 Tennessee
 Upper Cambrian
 Rose Run Sandstone
 Conococheague Formation
 Kingsport Formation
 Mascot Dolomite
SNUpper Cambrian and Lower Ordovician. Includes Copper Ridge Dolomite, Chepultepec Dolomite or Limestone, Longview or Nittany Dolomite, Kingsport Formation, Mascot Dolomite, Newala Formation, Conococheague Formation, Jonesboro Limestone. NW Georgia, W North