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