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