Category:Proterozoic igneous rocks in the United States by state

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Precambrian Phanerozoic Eon
Preceded by Proterozoic Eon
Paleozoic Era Mesozoic Era Cenozoic Era
Cambrian Ordovician Silurian Devonian Carboniferous Permian Triassic Jurassic Cretaceous Paleogene Neogene 4ry
Precambrian
Hadean Archean Proterozoic
Eoarchean Paleoarchean Mesoarchean Neoarchean Paleoproterozoic Mesoproterozoic Neoproterozoic