Depozite în Continente de Est
Asia
Afghanistan, Armenia, Azerbaijan, Burma, Cambodia, China, India, Indonesia, Iran, Japan, Malaysia, Mongolia, Nepal, North Korea, Pakistan, Saudi Arabia, Syria, Taiwan, Thailand, Turkey, Vietnam, Yemen
Azerbaijan, China, Russia
Africa
Cameroon, Cape Verde, Chad, Djibouti, Eritrea, Ethiopia, Kenya, Libya, Madagascar, Nigeria, Rwanda, South Africa, Sudan, Tanzania, Uganda
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Europa
France, Georgia, Germany, Greece, Iceland, Italy, Netherlands, Poland, Portugal, Spain, United Kingdom
Austria, Belgium, Cyprus, Denmark, France, Germany, Italy, Malta, Netherlands, Poland, Portugal, Romania, Spain, Sweden, Switzerland, Turkey, Ukraine, United Kingdom
Alții
antarctica, insulele hawaii
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Depozite în Continente de Vest
America de Nord
Canada, Costa Rica, Panama, USA
USA
America de Sud
Argentina, Bolivia, Brazil, Chile, Colombia, Ecuador
Bolivia
Depozite în Oceania Continent
Australia
Central Australia, Western Australia
New Zealand, South Australia