1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
India, Russia
Not Available
1.1.2 Afrika
South Africa
South Africa
1.1.3 Eropah
Germany, Greece, Italy, Scotland, Turkey
England, Finland, United Kingdom
1.1.4 lain
tanah penggembalaan, mid-Atlantik ridge
antarctica, tanah penggembalaan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
1.2.2 Amerika Selatan
Bolivia, Brazil, Kolumbia, venezuela
Kolumbia, uruguay
1.3 deposito di oceania benua
1.3.1 Australia
New Zealand, Queensland
New Zealand, Western Australia