Geologic Map of Texas

Precambrian
( more than 600 million years ago )
Geologic Map
of Texas
Paleozoic
( 600 to 240 million years ago )
Pennsylvanian
Permian
Mesozoic
( 240 to 65 million years ago )
Jurassic, Triassic
Cretaceous (Gulf)
Cretaceous (Comanche)
© Texas Almanac
Cenozoic
( beginning 65 million years ago )
Eocene
Pliocene, Miocene,
Oligocene
Igneous
Quaternary

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