1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
India, Pakistan, Russia
India, Russia
1.1.2 Afrika
Ethiopia, Kenya, Morocco, South Africa
South Africa
1.1.3 Eropah
Austria, France, Germany, Greece, Italy, Romania, Scotland, Spain, Switzerland
Germany, Greece, Italy, Scotland, Turkey
1.1.4 lain
belum menemukan
tanah penggembalaan, mid-Atlantik ridge
1.2 deposito di benua Barat
1.2.1 Amerika Utara
1.2.2 Amerika Selatan
Kolumbia, Ekuador, peru
Bolivia, Brazil, Kolumbia, venezuela
1.3 deposito di oceania benua
1.3.1 Australia
New South Wales, Victoria, Western Australia
New Zealand, Queensland