1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
Russia, Turkey
Japan, Turkey
1.1.2 Afrika
Burundi, Djibouti, Eritrea, Ethiopia, Kenya, Madagascar, Rwanda, Somalia, South Africa, Sudan, Tanzania, Uganda
Egypt, Ethiopia, South Africa
1.1.3 Eropah
Germany, Greece, Iceland, Norway, Poland
France, Greece, Iceland
1.1.4 lain
belum menemukan
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
South Australia, Western Australia
New Zealand