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