deposito's in het oosten van continenten
Azië
China, India, Iran, Iraq, Oman, Russia, Saudi Arabia, Taiwan, Thailand, Vietnam
Afghanistan, Bangladesh, Bhutan, China, India, Japan, Kazakhstan, Malaysia, Pakistan, Russia, Thailand, Turkey, Vietnam
Afrika
Kenya, Morocco, South Africa, Tanzania
Egypt, Ethiopia, Morocco, Nigeria, South Africa
Europa
Austria, France, Greece, Italy, Malta, Poland, Portugal, Serbia, Spain, Sweden, United Kingdom
Austria, England, France, Georgia, Germany, Italy, Liechtenstein, Monaco, Norway, Slovenia, Spain, Sweden, Switzerland
anderen
Groenland, Mid-Atlantische Rug
Nog niet gevonden
deposito's in het westen van continenten
Noord Amerika
Canada, Mexico, USA
Canada, Costa Rica, Cuba, Mexico, Panama, USA
Zuid-Amerika
Bolivia, Brazil
Brazil, Colombia, Guyana
deposito's in Oceanië continent
Australië
New South Wales, Queensland, South Australia, Western Australia
New South Wales, New Zealand, Queensland