1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
China, India
Japan, Turkey
1.1.2 Afrika
Angola, Egypt, Madagascar, Namibia, Nigeria
Egypt, Ethiopia, South Africa
1.1.3 Eropah
Germany, Iceland, Ireland, Italy, Spain, United Kingdom
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
Argentina, Bolivia, Brazil, Kolumbia, Ekuador
belum menemukan
1.3 deposito di oceania benua
1.3.1 Australia
Central Australia, Queensland, Western Australia
New Zealand