1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
China, India
China, India, Russia, Saudi Arabia, South Korea
1.1.2 Afrika
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
Egypt, Ethiopia, Kenya, Madagascar, Morocco, South Africa
1.1.3 Eropah
Germany, Iceland, Ireland, Italy, Spain
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
Argentina, Bolivia, Chili, Kolumbia, Ekuador, peru, venezuela
Argentina, Kolumbia
1.3 deposito di oceania benua
1.3.1 Australia
New Zealand, Queensland, Western Australia
Central Australia, Western Australia