1 Rezerve
1.1 Depozite în Continente de Est
1.1.1 Asia
Afghanistan, Indonesia, Japan, Russia
Afghanistan, Armenia, Azerbaijan, Burma, Cambodia, China, India, Indonesia, Iran, Japan, Malaysia, Mongolia, Nepal, North Korea, Pakistan, Saudi Arabia, Syria, Taiwan, Thailand, Turkey, Vietnam, Yemen
1.1.2 Africa
Ethiopia, Kenya, Tanzania
Cameroon, Cape Verde, Chad, Djibouti, Eritrea, Ethiopia, Kenya, Libya, Madagascar, Nigeria, Rwanda, South Africa, Sudan, Tanzania, Uganda
1.1.3 Europa
Greece, Hungary, Iceland, Italy, Turkey
France, Georgia, Germany, Greece, Iceland, Italy, Netherlands, Poland, Portugal, Spain, United Kingdom
1.1.4 Alții
nu a fost încă găsite
antarctica, insulele hawaii
1.2 Depozite în Continente de Vest
1.2.1 America de Nord
Bahamas, Barbados, Canada, Costa Rica, Cuba, Jamaica, Mexico, USA
Canada, Costa Rica, Panama, USA
1.2.2 America de Sud
Argentina, Chile, Ecuador, Peru
Argentina, Bolivia, Brazil, Chile, Colombia, Ecuador
1.3 Depozite în Oceania Continent
1.3.1 Australia
New Zealand, Western Australia
Central Australia, Western Australia