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