Depozite în Continente de Est
Asia
India, Kazakhstan, Kuwait, Russia, South Korea, Thailand, Turkey
Russia, Turkey
Africa
Ethiopia, Morocco, South Africa
Burundi, Djibouti, Eritrea, Ethiopia, Kenya, Madagascar, Rwanda, Somalia, South Africa, Sudan, Tanzania, Uganda
Europa
France, Germany, Italy, Norway, Scotland
Germany, Greece, Iceland, Norway, Poland
Depozite în Continente de Vest
America de Nord
Canada, Costa Rica, Panama, USA
Canada, USA
America de Sud
Argentina, Brazil, Colombia, Ecuador
Brazil
Depozite în Oceania Continent
Australia
Central Australia, New Zealand, Queensland
South Australia, Western Australia