deposito's in het oosten van continenten
Azië
China, India, Kazakhstan, Mongolia, Russia
China, India, Iran, Iraq, Oman, Russia, Saudi Arabia, Taiwan, Thailand, Vietnam
Afrika
Namibia, Nigeria, South Africa
Kenya, Morocco, South Africa, Tanzania
Europa
Austria, Denmark, Germany, Great Britain, Netherlands, Norway, Poland, Sweden, Switzerland, United Kingdom
Austria, France, Greece, Italy, Malta, Poland, Portugal, Serbia, Spain, Sweden, United Kingdom
anderen
Nog niet gevonden
Groenland, Mid-Atlantische Rug
deposito's in het westen van continenten
Noord Amerika
Canada, USA
Canada, Mexico, USA
Zuid-Amerika
Brazil, Venezuela
Bolivia, Brazil
deposito's in Oceanië continent
Australië
New South Wales, New Zealand
New South Wales, Queensland, South Australia, Western Australia