deposito's in het oosten van continenten
Azië
Brunei, India, Indonesia, Malaysia, Singapore, Thailand, Vietnam
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam
Afrika
Cameroon, Chad, Ghana, Kenya, Malawi, Sudan, Tanzania, Togo, Zambia, Zimbabwe
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
Europa
United Kingdom
Bulgaria, England, Germany, Norway, Romania, Switzerland
anderen
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deposito's in het westen van continenten
Noord Amerika
USA
USA
Zuid-Amerika
Colombia
Brazil, Chile
deposito's in Oceanië continent
Australië
Adelaide, New Zealand, Queensland, Victoria, Yorke Peninsula
New Zealand, Queensland, South Australia, Western Australia