1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
China, India, Russia, Saudi Arabia, South Korea
India
1.1.2 Afrika
Egypt, Ethiopia, Kenya, Madagascar, Morocco, South Africa
South Africa, Tanzania
1.1.3 Eropah
England, Finland, France, Spain, United Kingdom
Germany, Greece, Italy, Scotland, Turkey
1.1.4 lain
belum menemukan
antarctica, tanah penggembalaan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
1.2.2 Amerika Selatan
Argentina, Kolumbia
Argentina, Brazil, Kolumbia, venezuela
1.3 deposito di oceania benua
1.3.1 Australia
Central Australia, Western Australia
Central Australia, New Zealand, Queensland, Western Australia