1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
India, Russia
Not Yet Found
1.1.2 Afrika
South Africa
Ethiopia, Ghana, Western Africa
1.1.3 Eropah
Germany, Greece, Italy, Scotland, Turkey
England
1.1.4 lain
tanah penggembalaan
belum menemukan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
1.2.2 Amerika Selatan
Brazil, Kolumbia, venezuela
Argentina, Bolivia, uruguay
1.3 deposito di oceania benua
1.3.1 Australia
New Zealand, Queensland
Central Australia, South Australia, Western Australia