deposito's in het oosten van continenten
Azië
Bangladesh, China, India, Russia
China, India, Kazakhstan, Mongolia, Russia, South Korea, Uzbekistan
Afrika
Ethiopia, Kenya, Morocco, South Africa, Tanzania
Namibia, Nigeria, South Africa
Europa
Austria, France, Germany, Greece, Italy, Romania, Scotland, Spain, Switzerland
Austria, Denmark, Germany, Great Britain, Netherlands, Norway, Poland, Sweden, Switzerland, United Kingdom
anderen
Nog niet gevonden
Groenland
deposito's in het westen van continenten
Noord Amerika
USA
Barbados, Canada, Mexico, Panama, USA
Zuid-Amerika
Bolivia, Chile, Colombia, Ecuador, Peru, Venezuela
Brazil
deposito's in Oceanië continent
Australië
New South Wales, New Zealand, Queensland, Victoria, Western Australia
New South Wales, New Zealand