1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
Not Yet Found
Japan, Oman
1.1.2 Afrika
Western Africa
South Africa
1.1.3 Eropah
Austria, Belarus, Romania, Switzerland, United Kingdom
France, Germany, Italy, Venezuela
1.1.4 lain
belum menemukan
pulau hawaii, mid-Atlantik ridge
1.2 deposito di benua Barat
1.2.1 Amerika Utara
1.2.2 Amerika Selatan
Brazil, Kolumbia
belum menemukan
1.3 deposito di oceania benua
1.3.1 Australia
New Zealand, Western Australia
Not Yet Found