Depozite în Continente de Est
Asia
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Bangladesh, Bhutan, China, India, North Korea, Qatar, Russia, Saudi Arabia, South Korea, Thailand
Africa
-
Cameroon, East Africa, Tanzania, Western Africa
Europa
Bulgaria, England, Germany, Norway, Romania, Switzerland
United Kingdom
Depozite în Continente de Vest
America de Nord
USA
Canada, USA
America de Sud
Argentina, Bolivia, Brazil, Chile, Colombia, Ecuador, Peru
Bolivia, Brazil, Colombia, Ecuador
Depozite în Oceania Continent
Australia
New South Wales, New Zealand, Queensland, South Australia, Western Australia
New South Wales, New Zealand, Queensland, Western Australia