deposito's in het oosten van continenten
Azië
Brunei, India, Indonesia, Malaysia, Singapore, Thailand, Vietnam
China, India, Indonesia, Russia, Singapore, South Korea
Afrika
Cameroon, Chad, Ghana, Kenya, Malawi, Sudan, Tanzania, Togo, Zambia, Zimbabwe
Cape Verde, Ethiopia, Ghana, South Africa, Western Africa
Europa
United Kingdom
Albania, France, Germany, Great Britain, United Kingdom
deposito's in het westen van continenten
Noord Amerika
USA
Canada, USA
Zuid-Amerika
Colombia
Brazil, Colombia, Ecuador
deposito's in Oceanië continent
Australië
Adelaide, New Zealand, Queensland, Victoria, Yorke Peninsula
New South Wales, South Australia, Western Australia