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