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
Brunei, India, Indonesia, Malaysia, Singapore, Thailand, Vietnam
Afrika
Cameroon, Cape Verde, Eritrea, Ethiopia, Kenya, Libya, Madagascar, Nigeria, Rwanda, South Africa, Sudan, Uganda
Cameroon, Chad, Ghana, Kenya, Malawi, Sudan, Tanzania, Togo, Zambia, Zimbabwe
Europa
France, Georgia, Germany, Greece, Iceland, Italy, Netherlands, Poland, Portugal, Spain, United Kingdom
United Kingdom
anderen
Antarctica, Hawaï-eilanden
Nog niet gevonden
deposito's in het westen van continenten
Noord Amerika
Canada, Costa Rica, Panama, USA
USA
Zuid-Amerika
Argentina, Bolivia, Brazil, Chile, Ecuador, Paraguay
Colombia
deposito's in Oceanië continent
Australië
Central Australia, Western Australia
Adelaide, New Zealand, Queensland, Tonga, Victoria, Yorke Peninsula