Place
Africa, East
1
Alaska
2
Antarctica
1
Appalachians
1
Arabian Shield
1
Arizona
1
Asia
1
Australia
1
Black Sea
1
British Columbia
1
California
13
Canada
1
China
2
Colorado
2
Europe
1
France
1
Germany
1
Gondwana
2
Horton Bluff
1
Hungary
1
Idaho
1
Illinois
1
India
1
Japan
1
Kings County
1
Los Angeles Region
1
Minnesota
1
Montana
1
New Brunswick
1
New Mexico
3
New South Wales
1
New Zealand
1
North Carolina
1
North Dakota
1
Nova Scotia
2
Ontario
1
Oregon
1
South Africa
1
Switzerland
1
Tasmania
1
United States
3
Wales
1
Washington
1
Wyoming
2