deposito's in het oosten van continenten
Azië
India, Kazakhstan, Kuwait, Russia, South Korea, Thailand, Turkey
Brunei, India, Indonesia, Malaysia, Singapore, Thailand, Vietnam
Afrika
Ethiopia, Morocco, South Africa
Cameroon, Chad, Ghana, Kenya, Malawi, Sudan, Tanzania, Togo, Zambia, Zimbabwe
Europa
France, Germany, Italy, Norway, Scotland
United Kingdom
deposito's in het westen van continenten
Noord Amerika
Canada, Costa Rica, Panama, USA
USA
Zuid-Amerika
Argentina, Brazil, Colombia, Ecuador
Colombia
deposito's in Oceanië continent
Australië
Central Australia, New Zealand, Queensland
Adelaide, New Zealand, Queensland, Victoria, Yorke Peninsula