1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
India
India, Pakistan, Russia
1.1.2 Afrika
South Africa, Tanzania
Ethiopia, Kenya, Morocco, South Africa
1.1.3 Eropah
Germany, Greece, Italy, Scotland, Turkey
Austria, France, Germany, Greece, Italy, Romania, Scotland, Spain, Switzerland
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
Kolumbia, Ekuador, peru
1.3 deposito di oceania benua
1.3.1 Australia
Central Australia, New Zealand, Queensland, Western Australia
New South Wales, Victoria, Western Australia