Category:Precambrian igneous rocks in the United States by state

Precambrian	Phanerozoic igneous rocks in the United States by state
Preceded by Proterozoic Eon	Phanerozoic igneous rocks in the United States by state
	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

Subcategories

This category has the following 15 subcategories, out of 15 total.