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Quaternary
Neogene
Paleogene
Cretaceous
Jurassic
Triassic
Permian
Carboniferous
Devonian
Silurian
Ordovician
Cambrian
Cenozoic
Mesozoic
Paleozoic
Precambrian
Tectonic Features
For details, click on the formations below. Stratigraphic columns are only schematic.