1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
Japan, Turkey
India, Russia
1.1.2 Afrika
Egypt, Ethiopia, South Africa
South Africa
1.1.3 Eropah
France, Greece, Iceland
Germany, Greece, Italy, Scotland, Turkey
1.1.4 lain
belum menemukan
tanah penggembalaan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
1.2.2 Amerika Selatan
belum menemukan
Brazil, Kolumbia, venezuela
1.3 deposito di oceania benua
1.3.1 Australia
New Zealand
New Zealand, Queensland