deposito's in het oosten van continenten
Azië
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam
India
Afrika
Angola, Egypt, Ethiopia, Madagascar, Namibia, Nigeria, South Africa
East Africa, Ethiopia, Madagascar, Morocco, Mozambique
Europa
Bulgaria, England, Germany, Norway, Romania, Switzerland
Albania, Romania, Scotland, United Kingdom
anderen
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deposito's in het westen van continenten
Noord Amerika
USA
USA
Zuid-Amerika
Argentina, Bolivia, Brazil, Chile, Colombia, Ecuador, Peru
Brazil, Colombia, Venezuela
deposito's in Oceanië continent
Australië
New South Wales, New Zealand, Queensland, South Australia, Western Australia
Central Australia, Western Australia