deposito's in het oosten van continenten
Azië
China, India, Iran, Japan, Oman, Russia, Saudi Arabia, Taiwan, Thailand, Vietnam
Brunei, India, Indonesia, Malaysia, Singapore, Thailand, Vietnam
Afrika
Kenya, Morocco, South Africa, Tanzania
Cameroon, Chad, Ghana, Kenya, Malawi, Sudan, Tanzania, Togo, Zambia, Zimbabwe
Europa
Austria, France, Greece, Italy, Malta, Poland, Portugal, Serbia, Spain, Sweden, United Kingdom
United Kingdom
anderen
Groenland, Mid-Atlantische Rug
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deposito's in het westen van continenten
Noord Amerika
Canada, Mexico, USA
USA
Zuid-Amerika
Bolivia, Brazil
Colombia
deposito's in Oceanië continent
Australië
New South Wales, Queensland, South Australia, Western Australia
Adelaide, New Zealand, Queensland, Victoria, Yorke Peninsula