1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
Japan, Oman
India, Russia
1.1.2 Afrika
South Africa
South Africa
1.1.3 Eropah
France, Germany, Italy, Venezuela
Iceland
1.1.4 lain
pulau hawaii, mid-Atlantik ridge
belum menemukan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
1.2.2 Amerika Selatan
1.3 deposito di oceania benua
1.3.1 Australia
Not Yet Found
Not Yet Found