1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
South Korea
Not Yet Found
1.1.2 Afrika
1.1.3 Eropah
Great Britain, Switzerland
Germany, Hungary, Italy, Spain
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
belum menemukan
Bolivia, Brazil
1.3 deposito di oceania benua
1.3.1 Australia
Central Australia, Western Australia
New South Wales, New Zealand, Queensland, South Australia, Western Australia