1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
China, India
Russia, Turkey
1.1.2 Afrika
Angola, Egypt, Madagascar, Namibia, Nigeria
Burundi, Djibouti, Eritrea, Ethiopia, Kenya, Madagascar, Rwanda, Somalia, South Africa, Sudan, Tanzania, Uganda
1.1.3 Eropah
Germany, Iceland, Ireland, Italy, Spain, United Kingdom
Germany, Greece, Iceland, Norway, Poland
1.1.4 lain
belum menemukan
belum menemukan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
1.2.2 Amerika Selatan
Argentina, Bolivia, Brazil, Kolumbia, Ekuador
Brazil
1.3 deposito di oceania benua
1.3.1 Australia
Central Australia, Queensland, Western Australia
South Australia, Western Australia