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