Category:Ordovician rocks in the United States

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Countries of North America: Canada · Mexico · United States of America^‡
^‡: partly located in North America

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

Subcategories

This category has the following 8 subcategories, out of 8 total.

Ordovician rocks in the United States by state (40 C)

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Ordovician formations in the United States (18 C)
Ordovician igneous rocks in the United States (3 C)
Ordovician sedimentary rocks in the United States (14 C, 1 F)

O

Ordovician clastic rocks in the United States (4 C)
Ordovician deposits in the United States (11 C)
Ordovician metamorphic rocks in the United States (5 C)
Ordovician sediments in the United States (4 C)

Media in category "Ordovician rocks in the United States"

The following 2 files are in this category, out of 2 total.

Major structural and tectonic features in the region of the Utica play (26796534595).jpg 3,507 × 2,480; 783 KB
Structure map of the Utica formation (26796542625).jpg 3,507 × 2,480; 948 KB

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