Depozite în Continente de Est
Asia
Bangladesh, Bhutan, China, India, North Korea, Qatar, Russia, Saudi Arabia, South Korea, Thailand
China, India, Russia, Saudi Arabia, South Korea, Sri Lanka
Africa
Cameroon, East Africa, Tanzania, Western Africa
South Africa, Western Africa
Europa
United Kingdom
United Kingdom
Depozite în Continente de Vest
America de Nord
Canada, USA
Canada
America de Sud
Bolivia, Brazil, Colombia, Ecuador
Brazil, Colombia, Paraguay
Depozite în Oceania Continent
Australia
New South Wales, New Zealand, Queensland, Western Australia
Central Australia, Western Australia