deposito's in het oosten van continenten
Azië
Bangladesh, China, India, Russia
China, India, Russia, Saudi Arabia, South Korea
Afrika
Ethiopia, Kenya, Morocco, South Africa, Tanzania
Egypt, Ethiopia, Kenya, Madagascar, Morocco, South Africa
Europa
Austria, France, Germany, Greece, Italy, Romania, Scotland, Spain, Switzerland
England, Finland, France, Spain, United Kingdom
deposito's in het westen van continenten
Noord Amerika
USA
Canada, USA
Zuid-Amerika
Bolivia, Chile, Colombia, Ecuador, Peru, Venezuela
Argentina, Colombia
deposito's in Oceanië continent
Australië
New South Wales, New Zealand, Queensland, Victoria, Western Australia
Central Australia, Western Australia