1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
Not Available
India, Russia
1.1.2 Afrika
Not Available
South Africa
1.1.3 Eropah
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
Kolumbia, Paraguai
Bolivia, Brazil, Kolumbia, venezuela
1.3 deposito di oceania benua
1.3.1 Australia
Central Australia, Western Australia
New Zealand, Queensland