Category:Eocene igneous rocks in Montana

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States of the United States: Colorado · Montana · Nevada · New Mexico · Oregon · Washington · Wyoming

Cenozoic
Paleogene			Neogene		Quaternary
Paleocene	Eocene	Oligocene	Miocene	Pliocene	Pleistocene	Holocene

Subcategories

This category has the following 3 subcategories, out of 3 total.

P

Porphyritic rhyolite (Paleocene-Eocene; Butte, Montana) (7 F)

R

Media in category "Eocene igneous rocks in Montana"

This category contains only the following file.

Monzonite (Early Eocene, 50-54 Ma; Bearpaw Mountains, Montana, USA) 1 (49061260742).jpg 3,526 × 1,503; 4.59 MB

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