Category:Volcanoes in Oregon by dominant rock type

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Subcategories

This category has the following 6 subcategories, out of 6 total.

A

Andesite volcanoes in Oregon‎ (13 C)

B

Basalt volcanoes in Oregon‎ (4 C)
Basaltic andesite volcanoes in Oregon‎ (11 C)

P

Picro-Basalt volcanoes in Oregon‎ (2 C)

R

Rhyodacite volcanoes in Oregon‎ (1 C)
Rhyolite volcanoes in Oregon‎ (3 C)

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