1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
Not Yet Found
India, Russia
1.1.2 Afrika
Western Africa
South Africa
1.1.3 Eropah
Austria, Belarus, Romania, Switzerland, United Kingdom
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
Brazil, Kolumbia
Bolivia, Brazil, Kolumbia, venezuela
1.3 deposito di oceania benua
1.3.1 Australia
New Zealand, Western Australia
New Zealand, Queensland