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
India, Kazakhstan, Kuwait, Russia, South Korea, Thailand, Turkey
Africa
Cameroon, Cape Verde, Chad, Djibouti, Eritrea, Ethiopia, Kenya, Libya, Madagascar, Nigeria, Rwanda, South Africa, Sudan, Tanzania, Uganda
Ethiopia, Morocco, South Africa
Europa
France, Georgia, Germany, Greece, Iceland, Italy, Netherlands, Poland, Portugal, Spain, United Kingdom
France, Germany, Italy, Norway, Scotland
Alții
antarctica, insulele hawaii
Groenlanda
Depozite în Continente de Vest
America de Nord
Canada, Costa Rica, Panama, USA
Canada, Costa Rica, Panama, USA
America de Sud
Argentina, Bolivia, Brazil, Chile, Colombia, Ecuador
Argentina, Brazil, Colombia, Ecuador
Depozite în Oceania Continent
Australia
Central Australia, Western Australia
Central Australia, New Zealand, Queensland