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