Bend Arch – Texas-Oklahoma Tectonic Region

#160, project 1, show in map.

Age (Ma)
20
Cenozoic
Quaternary
Holocene
Pleistocene
Late Pleistocene
Middle Pleistocene
Calabrian
Gelasian
Unnamed
Terrace Deposits
97.9 Ma
120110
Mesozoic
Cretaceous
Late Cretaceous
Cenomanian
Early Cretaceous
Albian
Aptian
Segovia Formation
Fort Terrett Formation
Trinity Group
151.6 Ma
320315310305300295290285280275
Paleozoic
Permian
Cisuralian
Kungurian
Artinskian
Sakmarian
Asselian
Carboniferous
Pennsylvanian
Gzhelian
Kasimovian
Moscovian
Bashkirian
Mississippian
Serpukhovian
Clear Fork Group
Wichita Group
Putnam Formation
Moran Formation
Camp Colorado Limestone
Pueblo Formation
Harpersville Formation
Thrifty Formation and Graham Fm
Home Creek Limestone
Colony Creek Shale
Ranger Limestone
Placid Shale
Winchell Limestone
Wolf Mountain Or Cedarton Shale
Staff Limestone - Adams Branch
Palo Pinto Formation
Strawn Group
Smithwick Shale
Marble Falls Formation
2.9 Ma
340
Paleozoic
Carboniferous
Mississippian
Serpukhovian
Visean
Tournaisian
Barnett Formation
Chappel Limestone
5.6 Ma
380360
Paleozoic
Carboniferous
Mississippian
Tournaisian
Devonian
Late Devonian
Famennian
Frasnian
Middle Devonian
Givetian
Houy Formation
89.2 Ma
480
Paleozoic
Ordovician
Early Ordovician
Floian
Tremadocian
Cambrian
Furongian
Stage 10
Jiangshanian
Paibian
Series 3
Guzhangian
Ellenburger Group
Moore Hollow Group
500.1 Ma
1,1501,1001,0501,000
Neoproterozoic
Tonian
Mesoproterozoic
Stenian
Unnamed
Unnamed