Category:Rock formations in Oregon by type of rock

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Subcategories

This category has the following 19 subcategories, out of 19 total.

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Columnar igneous rocks in Oregon‎ (6 C, 12 F)
Lava fields in Oregon‎ (6 C, 22 F)
Lava flows in Oregon‎ (8 C, 13 F)
Tuff rock formations in Oregon‎ (12 C, 7 F)

A

Andesite formations in Oregon‎ (17 C, 7 F)

B

Basalt formations in Oregon‎ (29 C, 7 F)
Basaltic andesite formations in Oregon‎ (12 C, 2 F)

C

Conglomerate formations in Oregon‎ (3 C, 1 F)

D

Dacite formations in Oregon‎ (4 C, 2 F)
Diorite formations in Oregon‎ (1 C)

G

Granite formations in Oregon‎ (1 F)

L

Limestone formations in Oregon‎ (5 C)

M

Marble formations in Oregon‎ (1 C, 1 F)
Mudstone formations in Oregon‎ (5 C)

R

Rhyodacite formations in Oregon‎ (4 C, 5 F)
Rhyolite formations in Oregon‎ (6 C, 2 F)

S

Sandstone formations in Oregon‎ (13 C, 6 F)
Shale formations in Oregon‎ (3 C)
Siltstone formations in Oregon‎ (3 C)

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