Place
United States
3
Abitibi
1
Alaska
1
Arizona
1
Australia
1
Canada
1
Canadian shield
1
Cape Breton Island
1
Chile
1
Cordillerans
1
Czechoslavakia
1
Halmahera
1
Izu-Mariana
1
Japan
1
New Brunswick
1
New Caledonia
1
Newfoundland
1
North Carolina
1
Ontario
1
Pacific Island Arcs
1
South Dakota
1
Tonga
1
VANUATU
1
Zimbabwe
1