1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
China, India
China, India, Indonesia, Saudi Arabia, South Korea
1.1.2 Afrika
Angola, Egypt, Madagascar, Namibia, Nigeria
Eritrea, Ethiopia, Ghana, South Africa, Western Africa
1.1.3 Eropah
Germany, Iceland, Ireland, Italy, Spain, United Kingdom
England, Finland, France, Germany, Great Britain, Greece, United Kingdom
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
Central Australia, Western Australia