Age (Ma)
100200300400500
Cenozoic
Quaternary
Holocene
Pleistocene
Neogene
Pliocene
Miocene
Paleogene
Oligocene
Eocene
Paleocene
Mesozoic
Cretaceous
Late Cretaceous
Early Cretaceous
Jurassic
Late Jurassic
Middle Jurassic
Early Jurassic
Triassic
Late Triassic
Middle Triassic
Early Triassic
Paleozoic
Permian
Lopingian
Guadalupian
Cisuralian
Carboniferous
Pennsylvanian
Mississippian
Devonian
Late Devonian
Middle Devonian
Early Devonian
Silurian
Pridoli
Ludlow
Wenlock
Llandovery
Ordovician
Late Ordovician
Middle Ordovician
Early Ordovician
Cambrian
Furongian
Series 3
Series 2
Terreneuvian
Neoproterozoic
Ediacaran
Loess Draping High Ground And Terrace
Unnamed
Unnamed
Kathul Graywacke
Biederman Argillite
Keenan Quartzite
Glenn Shale
Circle Volcanics
Step Conglomerate
Unnamed
Unnamed
Bioclastic Limestone
Woodchopper Volcanics
Unnamed
Unnamed

West Charley RiverNorthern Alaska

#395, project 1, show in map.