deposito's in het oosten van continenten
Azië
China, India, Iran, Iraq, Oman, Russia, Saudi Arabia, Taiwan, Thailand, Vietnam
India
Afrika
Kenya, Morocco, South Africa, Tanzania
East Africa, Ethiopia, Madagascar, Morocco, Mozambique
Europa
Austria, France, Greece, Italy, Malta, Poland, Portugal, Serbia, Spain, Sweden, United Kingdom
Albania, Romania, Scotland, United Kingdom
anderen
Groenland, Mid-Atlantische Rug
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deposito's in het westen van continenten
Noord Amerika
Canada, Mexico, USA
USA
Zuid-Amerika
Bolivia, Brazil
Brazil, Colombia, Venezuela
deposito's in Oceanië continent
Australië
New South Wales, Queensland, South Australia, Western Australia
Central Australia, Western Australia