1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
India, Russia
Cambodia, Russia, South Korea
1.1.2 Afrika
1.1.3 Eropah
Germany, Greece, Italy, Scotland, Turkey
England, Germany, Hungary, Iceland, Scotland, Sweden
1.1.4 lain
tanah penggembalaan, mid-Atlantik ridge
pulau hawaii
1.2 deposito di benua Barat
1.2.1 Amerika Utara
1.2.2 Amerika Selatan
Bolivia, Brazil, Kolumbia, venezuela
belum menemukan
1.3 deposito di oceania benua
1.3.1 Australia
New Zealand, Queensland
Victoria