1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
China, India, Russia, Saudi Arabia, South Korea, Sri Lanka
Japan, Oman
1.1.2 Afrika
South Africa, Western Africa
South Africa
1.1.3 Eropah
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, Paraguai
belum menemukan
1.3 deposito di oceania benua
1.3.1 Australia
Central Australia, Western Australia
Not Yet Found