1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
Japan, Oman
India, Saudi Arabia, Singapore, South Korea
1.1.2 Afrika
South Africa
Ethiopia, Western Africa
1.1.3 Eropah
France, Germany, Italy, Venezuela
England, Georgia, 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
1.2.2 Amerika Selatan
1.3 deposito di oceania benua
1.3.1 Australia
Not Yet Found
Central Australia, New South Wales, New Zealand, Western Australia