1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
China, India, Russia, Saudi Arabia, South Korea, Sri Lanka
India
1.1.2 Afrika
South Africa, Western Africa
Not Available
1.1.3 Eropah
United Kingdom
Not Available
1.1.4 lain
belum menemukan
antarctica
1.2 deposito di benua Barat
1.2.1 Amerika Utara
1.2.2 Amerika Selatan
Brazil, Kolumbia, Paraguai
tidak tersedia
1.3 deposito di oceania benua
1.3.1 Australia
Central Australia, Western Australia
Not Available