deposito's in het oosten van continenten
Azië
Bangladesh, China, India, Russia
India, Russia
Afrika
Ethiopia, Kenya, Morocco, South Africa, Tanzania
South Africa
Europa
Austria, France, Germany, Greece, Italy, Romania, Scotland, Spain, Switzerland
Germany, Greece, Italy, Scotland, Turkey
anderen
-
Groenland, Mid-Atlantische Rug
deposito's in het westen van continenten
Noord Amerika
USA
Canada, USA
Zuid-Amerika
Bolivia, Chile, Colombia, Ecuador, Peru, Venezuela
Bolivia, Brazil, Colombia, Venezuela
deposito's in Oceanië continent
Australië
New South Wales, New Zealand, Queensland, Victoria, Western Australia
New Zealand, Queensland