1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
India, Russia
Not Yet Found
1.1.2 Afrika
1.1.3 Eropah
Germany, Greece, Italy, Scotland, Turkey
Finland, Germany, Italy, Romania, Sweden, Turkey
1.1.4 lain
tanah penggembalaan, mid-Atlantik ridge
belum menemukan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
1.2.2 Amerika Selatan
Bolivia, Brazil, Kolumbia, venezuela
Argentina, Bolivia, Chili, Kolumbia, Ekuador, peru
1.3 deposito di oceania benua
1.3.1 Australia
New Zealand, Queensland
New Zealand, South Australia, Western Australia