1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
China, India, Iran, Iraq, Oman, Russia, Saudi Arabia, Taiwan, Thailand, Vietnam
India, Kazakhstan, Kuwait, Russia, South Korea, Thailand, Turkey
1.1.2 Afrika
Kenya, Morocco, South Africa, Tanzania
Ethiopia, Morocco, South Africa
1.1.3 Eropah
Austria, France, Greece, Italy, Malta, Poland, Portugal, Serbia, Spain, Sweden, United Kingdom
France, Germany, Italy, Norway, Scotland
1.1.4 lain
tanah penggembalaan, mid-Atlantik ridge
tanah penggembalaan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
Canada, Mexico, USA
Canada, Costa Rica, Panama, USA
1.2.2 Amerika Selatan
Bolivia, Brazil
Argentina, Brazil, Kolumbia, Ekuador
1.3 deposito di oceania benua
1.3.1 Australia
New South Wales, Queensland, South Australia, Western Australia
Central Australia, New Zealand, Queensland