1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
India, Russia
Not Available
1.1.2 Afrika
Ethiopia, Somalia, South Africa
South Africa
1.1.3 Eropah
Iceland
England, Finland, United Kingdom
1.1.4 lain
tidak tersedia
antarctica, tanah penggembalaan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
1.2.2 Amerika Selatan
1.3 deposito di oceania benua
1.3.1 Australia
Not Available
New Zealand, Western Australia