Blue Ridge Anticlinorium, Virginia-maryland – Piedmont-Blue Ridge

#356, project 1, show in map.

Age (Ma)
0.010.00
Cenozoic
Quaternary
Holocene
Pleistocene
Late Pleistocene
Unnamed
168.2 Ma
180
Mesozoic
Jurassic
Middle Jurassic
Bathonian
Bajocian
Aalenian
Early Jurassic
Toarcian
Pliensbachian
Sinemurian
Unnamed
321.6 Ma
530520
Paleozoic
Cambrian
Series 2
Stage 3
Terreneuvian
Stage 2
Fortunian
Tomstown Dolomite
Antietam Formation
Harpers Formation
Weverton Formation
11.2 Ma
580560
Neoproterozoic
Ediacaran
Catoctin Formation
Swift Run Formation
69.4 Ma
Neoproterozoic
Cryogenian
Lynchburg Formation
609.8 Ma
1,4001,3501,300
Mesoproterozoic
Ectasian
Calymmian
Basement