Category:Oligocene geology by country

• Oligocene geology of Africa by country (4 C)

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• Oligocene formations by country (14 C)
• Oligocene magmatism by country (12 C)
• Oligocene rocks by country (16 C)
• Oligocene volcanism by country (11 C)

A

• Oligocene geology of Argentina (5 C)
• Oligocene geology of Australia (4 C)

B

• Oligocene geology of Bangladesh (1 F)
• Oligocene geology of Bolivia (1 C)

C

• Oligocene geology of Canada (8 C)
• Oligocene geology of Chile (1 C)
• Oligocene geology of the Czech Republic (2 C)

E

• Oligocene geology of Ecuador (2 C)
• Oligocene geology of Egypt (1 C, 11 F)
• Oligocene geology of El Salvador (2 F)

F

• Oligocene geology of France (19 C, 12 F)

G

• Oligocene geology of Germany (3 C, 1 F)
• Oligocene geology of Greece (4 C)

I

• Oligocene geology of Indonesia (3 C, 2 F)
• Oligocene geology of Italy (6 C, 2 F)

J

• Oligocene geology of Japan (1 C)

K

• Oligocene geology of Kenya (2 C)

M

• Oligocene geology of Mexico (3 C)
• Oligocene geology of Myanmar (1 C)

N

• Oligocene geology of New Zealand (4 C, 1 F)

P

• Oligocene geology of Panama (1 C)
• Oligocene geology of Portugal (2 C)

S

• Oligocene geology of Spain (3 C, 1 F)
• Oligocene geology of Switzerland (2 C)

T

• Oligocene geology of Tanzania (1 C)

U

• Oligocene geology of the United Kingdom (3 C)
• Oligocene geology of the United States (11 C)