1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
India
India, Kazakhstan, Kuwait, Russia, South Korea, Thailand, Turkey
1.1.2 Afrika
Not Available
Ethiopia, Morocco, South Africa
1.1.3 Eropah
Not Available
France, Germany, Italy, Norway, Scotland
1.1.4 lain
antarctica
tanah penggembalaan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
USA
Canada, Costa Rica, Panama, USA
1.2.2 Amerika Selatan
tidak tersedia
Argentina, Brazil, Kolumbia, Ekuador
1.3 deposito di oceania benua
1.3.1 Australia
Not Available
Central Australia, New Zealand, Queensland