1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
1.1.2 Afrika
East Africa, Western Africa
South Africa
1.1.3 Eropah
England, Romania, Scotland
Germany, Greece, Italy, Scotland, Turkey
1.1.4 lain
belum menemukan
tanah penggembalaan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
1.2.2 Amerika Selatan
belum menemukan
Brazil, Kolumbia, venezuela
1.3 deposito di oceania benua
1.3.1 Australia
Central Australia, Western Australia
New Zealand, Queensland