deposito's in het oosten van continenten
Azië
China, India
China, India, Iran, Japan, Nepal, North Korea, Russia, Saudi Arabia, South Korea
Afrika
Morocco, Namibia
South Africa
Europa
Austria, Italy, Romania, Spain, Switzerland
Austria, France, Greece, Ireland, Italy, Netherlands, Slovakia, Spain, Turkey, Ukraine
deposito's in het westen van continenten
Noord Amerika
Mexico, USA
Canada
Zuid-Amerika
Brazil, Colombia
Brazil
deposito's in Oceanië continent
Australië
New South Wales, Queensland, Yorke Peninsula
New South Wales, Queensland, South Australia, Western Australia