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
India, Saudi Arabia, Singapore, South Korea
Afrika
Cameroon, Cape Verde, Eritrea, Ethiopia, Kenya, Libya, Madagascar, Nigeria, Rwanda, South Africa, Sudan, Uganda
Ethiopia, Western Africa
Europa
France, Georgia, Germany, Greece, Iceland, Italy, Netherlands, Poland, Portugal, Spain, United Kingdom
England, Georgia, Switzerland, United Kingdom
anderen
Antarctica, Hawaï-eilanden
Nog niet gevonden
deposito's in het westen van continenten
Noord Amerika
Canada, Costa Rica, Panama, USA
Canada
Zuid-Amerika
Argentina, Bolivia, Brazil, Chile, Ecuador, Paraguay
Colombia
deposito's in Oceanië continent
Australië
Central Australia, Western Australia
Central Australia, New South Wales, New Zealand, Western Australia