deposito's in het oosten van continenten
Azië
Afghanistan, Armenia, Azerbaijan, Burma, Cambodia, China, India, Indonesia, Iran, Japan, Malaysia, Mongolia, Nepal, North Korea, Pakistan, Saudi Arabia, Syria, Taiwan, Thailand, Turkey, Vietnam, Yemen
Japan
Afrika
Cameroon, Cape Verde, Eritrea, Ethiopia, Kenya, Libya, Madagascar, Nigeria, Rwanda, South Africa, Sudan, Uganda
Rwanda, Tanzania
Europa
France, Georgia, Germany, Greece, Iceland, Italy, Netherlands, Poland, Portugal, Spain, United Kingdom
Not Yet Found
anderen
Antarctica, Hawaï-eilanden
Hawaï-eilanden
deposito's in het westen van continenten
Noord Amerika
Canada, Costa Rica, Panama, USA
Canada, USA
Zuid-Amerika
Argentina, Bolivia, Brazil, Chile, Ecuador, Paraguay
Colombia
deposito's in Oceanië continent
Australië
Central Australia, Western Australia
Not Yet Found