Depozite în Continente de Est
Africa
Angola, Botswana, Cameroon, Ethiopia, South Africa
Angola, Botswana, Cameroon, Ethiopia, South Africa
Europa
England, Hungary, Iceland, United Kingdom
England, Hungary, Iceland, United Kingdom
Alții
antarctica, Groenlanda
antarctica, Groenlanda
Depozite în Continente de Vest
America de Nord
Canada, Mexico, USA
Canada, Mexico, USA
America de Sud
Argentina, Colombia, Ecuador
Argentina, Colombia, Ecuador
Depozite în Oceania Continent
Australia
New South Wales, New Zealand, Queensland, South Australia, Western Australia
New South Wales, New Zealand, Queensland, South Australia, Western Australia