1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
Japan, Oman
Not Yet Found
1.1.2 Afrika
South Africa
Not Yet Found
1.1.3 Eropah
France, Germany, Italy, Venezuela
England, France, Germany, Great Britain, Netherlands, Sweden, Switzerland, United Kingdom
1.1.4 lain
pulau hawaii, mid-Atlantik ridge
belum menemukan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
Canada, USA
Not Yet Found
1.2.2 Amerika Selatan
belum menemukan
belum menemukan
1.3 deposito di oceania benua
1.3.1 Australia
Not Yet Found
Not Yet Found