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