Age (Ma)
034204506707201,2401,340
Cenozoic
Quaternary
Holocene
Pleistocene
Paleozoic
Devonian
Early Devonian
Silurian
Pridoli
Ludlow
Wenlock
Llandovery
Ordovician
Late Ordovician
Neoproterozoic
Cryogenian
Mesoproterozoic
Ectasian
Unnamed
High-level Gravel
Spruce Pine Alaskite and Peymatite
Alligator Back Formation
Ashe Formation
Beech Granite
Linville Metadiabase / Bakersville Gabbro (intrusive)
Cranberry Gneiss
414.52 Myr
212.5 Myr
520 Myr

Blue Ridge Thrust Sheet North and West of Grandfather Mountain Window, NortPiedmont-Blue Ridge

#355, project 1, show in map.