1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
China, India, Russia, Saudi Arabia, South Korea, Sri Lanka
Not Yet Found
1.1.2 Afrika
South Africa, Western Africa
South Africa
1.1.3 Eropah
United Kingdom
Finland, Norway, Portugal
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, Paraguai
Brazil
1.3 deposito di oceania benua
1.3.1 Australia
Central Australia, Western Australia
Not Yet Found