deposito's in het oosten van continenten
Europa
Germany, Hungary, Italy, Spain
Bulgaria, England, Germany, Norway, Romania, Switzerland
anderen
Groenland, Mid-Atlantische Rug
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deposito's in het westen van continenten
Zuid-Amerika
Bolivia, Brazil
Argentina, Bolivia, Brazil, Chile, Colombia, Ecuador, Peru
deposito's in Oceanië continent
Australië
New South Wales, New Zealand, Queensland, South Australia, Western Australia
New South Wales, New Zealand, Queensland, South Australia, Western Australia