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