1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
India, Russia
China, India, Indonesia, Saudi Arabia, South Korea
1.1.2 Afrika
South Africa
Eritrea, Ethiopia, Ghana, South Africa, Western Africa
1.1.3 Eropah
Germany, Greece, Italy, Scotland, Turkey
England, Finland, France, Germany, Great Britain, Greece, 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
belum menemukan
1.3 deposito di oceania benua
1.3.1 Australia
New Zealand, Queensland
Central Australia, Western Australia