deposito's in het oosten van continenten
Azië
Bangladesh, China, India, Israel, Jordan, Russia, Syria, Thailand, Turkey
China, Kazakhstan, South Korea, Thailand, Turkey, Vietnam
Afrika
Ethiopia, Kenya, Morocco, South Africa, Tanzania
Egypt, Ethiopia, Ghana, South Africa
Europa
Austria, France, Germany, Greece, Italy, Romania, Scotland, Spain, Sweden, Switzerland
Finland, France, Germany, Great Britain, Hungary, Iceland, Ireland, Italy, Netherlands, Norway, Romania, Sweden, Switzerland
anderen
Groenland, Nog niet gevonden
Groenland
deposito's in het westen van continenten
Noord Amerika
Canada, USA
Canada, Cuba, Jamaica, USA
Zuid-Amerika
Bolivia, Brazil, Chile, Colombia, Ecuador, Peru, Venezuela
Bolivia, Brazil, Colombia, Ecuador, Paraguay
deposito's in Oceanië continent
Australië
New South Wales, New Zealand, Queensland, Victoria, Western Australia
New South Wales, New Zealand, Western Australia