Category:Rock formations in California by type of rock

• Columnar igneous rocks in California‎ (2 C, 5 F)
• Tuff rock formations in California‎ (13 C, 18 F)

A

• Andesite formations in California‎ (19 C)
• Aplite formations in California‎ (1 F)

B

• Basalt formations in California‎ (19 C, 6 F)
• Basaltic andesite formations in California‎ (4 C)

C

• Columnar basalts in California‎ (1 C, 7 F)
• Conglomerate formations in California‎ (38 C)

D

• Dacite formations in California‎ (7 C, 21 F)
• Diorite formations in California‎ (2 C)
• Dolomite formations in California‎ (5 C)

G

• Gneiss formations in California‎ (1 C, 2 F)
• Granite formations in California‎ (27 C, 33 F)
• Granodiorite formations in California‎ (11 C)
• Greywacke formations in California‎ (1 C, 2 F)

L

• Latite formations in California‎ (1 C)
• Limestone formations in California‎ (26 C, 3 F)

M

• Mudstone formations in California‎ (16 C)

Q

• Quartzite formations in California‎ (2 C)

R

• Rhyodacite formations in California‎ (2 C, 1 F)
• Rhyolite formations in California‎ (12 C, 6 F)

S

• Sandstone formations in California‎ (105 C, 20 F)
• Schist formations in California‎ (3 C)
• Shale formations in California‎ (59 C, 4 F)
• Siltstone formations in California‎ (18 C)

T

• Trachybasalt formations in California‎ (2 F)