Depozite în Continente de Est
Asia
India, Kazakhstan, Kuwait, Russia, South Korea, Thailand, Turkey
China, Kazakhstan, South Korea, Thailand, Turkey, Vietnam
Africa
Ethiopia, Morocco, South Africa
Egypt, Ethiopia, Ghana, South Africa
Europa
France, Germany, Italy, Norway, Scotland
Finland, France, Germany, Great Britain, Hungary, Iceland, Ireland, Italy, Netherlands, Norway, Romania, Sweden, Switzerland
Alții
Groenlanda
Groenlanda
Depozite în Continente de Vest
America de Nord
Canada, Costa Rica, Panama, USA
Canada, Cuba, Jamaica, USA
America de Sud
Argentina, Brazil, Colombia, Ecuador
Bolivia, Brazil, Colombia, Ecuador, Paraguay
Depozite în Oceania Continent
Australia
Central Australia, New Zealand, Queensland
New South Wales, New Zealand, Western Australia