1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam
Japan, Oman
1.1.2 Afrika
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
South Africa
1.1.3 Eropah
Bulgaria, England, Germany, Norway, Romania, Switzerland
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, Chili
belum menemukan
1.3 deposito di oceania benua
1.3.1 Australia
New Zealand, Queensland, South Australia, Western Australia
Not Yet Found