deposito's in het oosten van continenten
Azië
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Afghanistan, Armenia, Azerbaijan, Burma, Cambodia, China, India, Indonesia, Iran, Japan, Malaysia, Mongolia, Nepal, North Korea, Pakistan, Saudi Arabia, Syria, Taiwan, Thailand, Turkey, Vietnam, Yemen
Afrika
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Cameroon, Cape Verde, Chad, Djibouti, Eritrea, Ethiopia, Kenya, Libya, Madagascar, Nigeria, Rwanda, South Africa, Sudan, Tanzania, Uganda
Europa
Bulgaria
France, Georgia, Germany, Greece, Iceland, Italy, Netherlands, Poland, Portugal, Spain, United Kingdom
anderen
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Antarctica, Hawaï-eilanden
deposito's in het westen van continenten
Noord Amerika
USA
Canada, Costa Rica, Panama, USA
Zuid-Amerika
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Argentina, Bolivia, Brazil, Chile, Colombia, Ecuador
deposito's in Oceanië continent
Australië
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Central Australia, Western Australia