Category:Igneous rocks in Wyoming by geochronology

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Precambrian	Phanerozoic igneous rocks in Wyoming
Preceded by Proterozoic Eon	Phanerozoic igneous rocks in Wyoming
	Paleozoic Era						Mesozoic Era			Cenozoic Era
	Cambrian	Ordovician	Silurian	Devonian	Carboniferous	Permian	Triassic	Jurassic	Cretaceous	Paleogene	Neogene	4ry

Subcategories

This category has the following 14 subcategories, out of 14 total.