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