deposito's in het oosten van continenten
Azië
Russia, Turkey
Afghanistan, Indonesia, Japan, Russia
Afrika
Burundi, Djibouti, Eritrea, Ethiopia, Kenya, Madagascar, Rwanda, Somalia, South Africa, Sudan, Tanzania, Uganda
Ethiopia, Kenya, Tanzania
Europa
Germany, Greece, Iceland, Norway, Poland
Greece, Hungary, Iceland, Italy, Turkey
deposito's in het westen van continenten
Noord Amerika
Canada, USA
Bahamas, Barbados, Canada, Costa Rica, Cuba, Jamaica, Mexico, USA
Zuid-Amerika
Brazil
Argentina, Chile, Ecuador, Peru
deposito's in Oceanië continent
Australië
South Australia, Western Australia
New Zealand, Western Australia