Henderson Gneiss  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Paleozoic
 ...lower Paleozoic
 ....Henderson Gneiss
RTCambrian
 Ordovician
 Silurian
 Devonian
 South Carolina
 North Carolina
SNW North Carolina and NW South Carolina. Indexed with ages as applicable. Added to Thesaurus in 1989.