1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
China, India, Indonesia, Russia, Singapore, South Korea
China, India, Russia, Saudi Arabia, South Korea
1.1.2 Afrika
Cape Verde, Ethiopia, Ghana, South Africa, Western Africa
Egypt, Ethiopia, Kenya, Madagascar, Morocco, South Africa
1.1.3 Eropah
Albania, France, Germany, Great Britain, United Kingdom
England, Finland, France, Spain, 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
Brazil, Kolumbia, Ekuador
Argentina, Kolumbia
1.3 deposito di oceania benua
1.3.1 Australia
New South Wales, South Australia, Western Australia
Central Australia, Western Australia