deposito's in het oosten van continenten
Azië
India, Indonesia, Japan, Nepal, South Korea
China, India, Iran, Iraq, Oman, Russia, Saudi Arabia, Taiwan, Thailand, Vietnam
Afrika
Egypt, Ethiopia, Morocco, Namibia, South Africa, Tanzania
Kenya, Morocco, South Africa, Tanzania
Europa
Austria, Finland, Germany, Italy, Romania, Turkey, 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
Mexico, USA
Canada, Mexico, USA
Zuid-Amerika
Argentina, Bolivia, Chile, Colombia, Ecuador, Peru, Venezuela
Bolivia, Brazil
deposito's in Oceanië continent
Australië
New South Wales, New Zealand, Western Australia
New South Wales, Queensland, South Australia, Western Australia