deposito's in het oosten van continenten
Azië
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Brunei, India, Indonesia, Malaysia, Singapore, Thailand, Vietnam
Afrika
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Cameroon, Chad, Ghana, Kenya, Malawi, Sudan, Tanzania, Togo, Zambia, Zimbabwe
Europa
Bulgaria, England, Germany, Norway, Romania, Switzerland
England, France, Germany, Spain, United Kingdom
anderen
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deposito's in het westen van continenten
Noord Amerika
USA
Canada, USA
Zuid-Amerika
Argentina, Bolivia, Brazil, Chile, Colombia, Ecuador, Peru
Colombia
deposito's in Oceanië continent
Australië
New South Wales, New Zealand, Queensland, South Australia, Western Australia
Adelaide, New Zealand, Queensland, Victoria, Yorke Peninsula