1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
India
Bangladesh, China, India, Russia
1.1.2 Afrika
South Africa, Tanzania
Ethiopia, Kenya, Morocco, South Africa, Tanzania
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
Canada, USA
Canada, Panama, USA
1.2.2 Amerika Selatan
Argentina, Brazil, Kolumbia, venezuela
Bolivia, Chili, Kolumbia, Ekuador, peru, venezuela
1.3 deposito di oceania benua
1.3.1 Australia
Central Australia, New Zealand, Queensland, Western Australia
New South Wales, New Zealand, Queensland, Victoria, Western Australia