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