1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
1.1.2 Afrika
Not Yet Found
South Africa, Tanzania
1.1.3 Eropah
Bulgaria
Germany, Greece, Italy, Scotland, Turkey
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
belum menemukan
Argentina, Brazil, Kolumbia, venezuela
1.3 deposito di oceania benua
1.3.1 Australia
Not Yet Found
Central Australia, New Zealand, Queensland, Western Australia