1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
Japan, Oman
China, India, Indonesia, Kazakhstan, Russia, South Korea, Thailand, Turkey
1.1.2 Afrika
South Africa
Morocco, South Africa
1.1.3 Eropah
France, Germany, Italy, Venezuela
Finland, France, Georgia, Germany, Great Britain, Italy, Kazakhstan, Netherlands, Norway, Spain, Switzerland, Venezuela
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
New Zealand, Western Australia