deposito's in het oosten van continenten
Azië
China, India, Iran, Japan, Oman, Russia, Saudi Arabia, Taiwan, Thailand, Vietnam
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam
Afrika
Kenya, Morocco, South Africa, Tanzania
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
Europa
Austria, France, Greece, Italy, Malta, Poland, Portugal, Serbia, Spain, Sweden, United Kingdom
Austria, Belgium, Finland, France, Germany, Italy, Norway, Sardinia, Spain, Switzerland, The Czech Republic, Venezuela
anderen
Groenland, Mid-Atlantische Rug
Nog niet gevonden
deposito's in het westen van continenten
Noord Amerika
Canada, Mexico, USA
Canada, USA
Zuid-Amerika
Bolivia, Brazil
Not Yet Found
deposito's in Oceanië continent
Australië
New South Wales, Queensland, South Australia, Western Australia
Not Yet Found