deposito's in het oosten van continenten
Azië
China, India, Iran, Japan, Oman, Russia, Saudi Arabia, Taiwan, Thailand, Vietnam
China, India
Afrika
Kenya, Morocco, South Africa, Tanzania
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
Europa
Austria, France, Greece, Italy, Malta, Poland, Portugal, Serbia, Spain, Sweden, United Kingdom
Germany, Iceland, Ireland, Italy, Spain
anderen
Groenland, Mid-Atlantische Rug
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deposito's in het westen van continenten
Noord Amerika
Canada, Mexico, USA
Canada, USA
Zuid-Amerika
Bolivia, Brazil
Argentina, Bolivia, Chile, Colombia, Ecuador, Peru, Venezuela
deposito's in Oceanië continent
Australië
New South Wales, Queensland, South Australia, Western Australia
New Zealand, Queensland, Western Australia