deposito's in het oosten van continenten
Azië
Brunei, India, Indonesia, Malaysia, Singapore, Thailand, Vietnam
India, Pakistan, Russia
Afrika
Cameroon, Chad, Ghana, Kenya, Malawi, Sudan, Tanzania, Togo, Zambia, Zimbabwe
Ethiopia, Kenya, Morocco, South Africa
Europa
United Kingdom
Austria, France, Germany, Greece, Italy, Romania, Scotland, Spain, Switzerland
deposito's in het westen van continenten
Zuid-Amerika
Colombia
Colombia, Ecuador, Peru
deposito's in Oceanië continent
Australië
Adelaide, New Zealand, Queensland, Victoria, Yorke Peninsula
New South Wales, Victoria, Western Australia