1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
Japan, Oman
China, India, Turkey
1.1.2 Afrika
South Africa
Not Yet Found
1.1.3 Eropah
France, Germany, Italy, Venezuela
Belgium, France, Germany, Italy, Norway, Portugal, Spain, United Kingdom
1.1.4 lain
pulau hawaii, mid-Atlantik ridge
arktik
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
Not Yet Found