deposito's in het oosten van continenten
Azië
Afghanistan, Bangladesh, Bhutan, China, India, Japan, Kazakhstan, Malaysia, Pakistan, Russia, Thailand, Turkey, Vietnam
Not Yet Found
Afrika
Egypt, Ethiopia, Morocco, Nigeria, South Africa
Uganda
Europa
Austria, England, France, Georgia, Germany, Italy, Liechtenstein, Monaco, Norway, Slovenia, Spain, Sweden, Switzerland
Germany, Hungary, Italy, Spain
anderen
Nog niet gevonden
Groenland, Mid-Atlantische Rug
deposito's in het westen van continenten
Noord Amerika
Canada, Costa Rica, Cuba, Mexico, Panama, USA
USA
Zuid-Amerika
Brazil, Colombia, Guyana
Bolivia, Brazil
deposito's in Oceanië continent
Australië
New South Wales, New Zealand, Queensland
New South Wales, New Zealand, Queensland, South Australia, Western Australia