1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
India, Russia
India, Russia
1.1.2 Afrika
South Africa
South Africa
1.1.3 Eropah
Iceland
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
Brazil
Bolivia, Brazil, Kolumbia, venezuela
1.3 deposito di oceania benua
1.3.1 Australia
Not Yet Found
New Zealand, Queensland