Old Dad MountainsSouthern California

#230, project 1, show in map.

Age (Ma)
Cenozoic
Neogene
Pliocene
Piacenzian
Zanclean
Miocene
Messinian
Tortonian
Serravallian
Langhian
Burdigalian
Unnamed
135.5 Ma
200
Mesozoic
Jurassic
Late Jurassic
Kimmeridgian
Oxfordian
Middle Jurassic
Callovian
Bathonian
Bajocian
Aalenian
Early Jurassic
Toarcian
Pliensbachian
Sinemurian
Hettangian
Triassic
Late Triassic
Rhaetian
Norian
Carnian
Middle Triassic
Ladinian
Anisian
Early Triassic
Olenekian
Delfonte Volcanics
Aztec Sandstone
Unnamed
Moenkopi Formation
31.4 Ma
300
Paleozoic
Permian
Cisuralian
Artinskian
Sakmarian
Asselian
Carboniferous
Pennsylvanian
Gzhelian
Kasimovian
Moscovian
Bashkirian
Mississippian
Serpukhovian
Bird Spring Formation
11.8 Ma
340
Paleozoic
Carboniferous
Mississippian
Visean
Tournaisian
Monte Cristo Limestone
0.3 Ma
Paleozoic
Devonian
Late Devonian
Famennian
Frasnian
Middle Devonian
Givetian
Eifelian
Early Devonian
Emsian
Sultan Limestone
88.5 Ma
650600550500
Paleozoic
Ordovician
Early Ordovician
Tremadocian
Cambrian
Furongian
Stage 10
Jiangshanian
Paibian
Series 3
Guzhangian
Drumian
Stage 5
Series 2
Stage 4
Stage 3
Terreneuvian
Stage 2
Fortunian
Neoproterozoic
Ediacaran
Cryogenian
Nopah Formation
Bonanza King Formation
Carrara Formation
Zabriskie Quartzite
Wood Canyon Formation
Stirling Formation and Johnnie Fm
941.3 Ma
2,0502,0001,9501,9001,8501,8001,7501,7001,650
Paleoproterozoic
Statherian
Orosirian
Rhyacian
Unnamed