deposito's in het oosten van continenten
Azië
Russia, Turkey
Bangladesh, China, India, Russia
Afrika
Burundi, Djibouti, Eritrea, Ethiopia, Kenya, Madagascar, Rwanda, Somalia, South Africa, Sudan, Tanzania, Uganda
Ethiopia, Kenya, Morocco, South Africa, Tanzania
Europa
Germany, Greece, Iceland, Norway, Poland
Austria, France, Germany, Greece, Italy, Romania, Scotland, Spain, Switzerland
deposito's in het westen van continenten
Noord Amerika
Canada, USA
USA
Zuid-Amerika
Brazil
Bolivia, Chile, Colombia, Ecuador, Peru, Venezuela
deposito's in Oceanië continent
Australië
South Australia, Western Australia
New South Wales, New Zealand, Queensland, Victoria, Western Australia