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