deposito's in het oosten van continenten
Azië
China, India, Indonesia, Japan, North Korea, Russia, Saudi Arabia, Singapore, South Korea, Sri Lanka, Tajikistan, Thailand
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
Egypt, Ethiopia, Ghana, South Africa, Western Africa
Cameroon, Cape Verde, Chad, Djibouti, Eritrea, Ethiopia, Kenya, Libya, Madagascar, Nigeria, Rwanda, South Africa, Sudan, Tanzania, Uganda
Europa
Austria, England, Finland, France, Germany, Greece, Spain, Sweden, Switzerland, United Kingdom
France, Georgia, Germany, Greece, Iceland, Italy, Netherlands, Poland, Portugal, Spain, United Kingdom
anderen
Nog niet gevonden
Antarctica, Hawaï-eilanden
deposito's in het westen van continenten
Noord Amerika
Canada, USA
Canada, Costa Rica, Panama, USA
Zuid-Amerika
Colombia
Argentina, Bolivia, Brazil, Chile, Colombia, Ecuador
deposito's in Oceanië continent
Australië
Central Australia, New Zealand, Queensland
Central Australia, Western Australia