1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
Russia, South Korea
China, India, Russia, Saudi Arabia, South Korea, Sri Lanka
1.1.2 Afrika
Western Africa
South Africa, Western Africa
1.1.3 Eropah
United Kingdom
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
belum menemukan
Brazil, Kolumbia, Paraguai
1.3 deposito di oceania benua
1.3.1 Australia
Central Australia, Western Australia
Central Australia, Western Australia