deposito's in het oosten van continenten
Azië
Bangladesh, China, India, Russia
Russia
Afrika
Ethiopia, Kenya, Morocco, South Africa, Tanzania
Angola, Botswana, Cameroon, Ethiopia, South Africa
Europa
Austria, France, Germany, Greece, Italy, Romania, Scotland, Spain, Switzerland
England, Hungary, Iceland, United Kingdom
anderen
-
Antarctica, Groenland
deposito's in het westen van continenten
Noord Amerika
USA
Canada, Mexico, USA
Zuid-Amerika
Bolivia, Chile, Colombia, Ecuador, Peru, Venezuela
Argentina, Colombia, Ecuador
deposito's in Oceanië continent
Australië
New South Wales, New Zealand, Queensland, Victoria, Western Australia
New South Wales, New Zealand, Queensland, South Australia, Western Australia