1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
China, India, Russia, Saudi Arabia, South Korea
China, India, Israel, Russia, South Korea, Thailand, Turkey
1.1.2 Afrika
Egypt, Ethiopia, Kenya, Madagascar, Morocco, South Africa
Ethiopia, Morocco, South Africa, Zimbabwe
1.1.3 Eropah
England, Finland, France, Spain, United Kingdom
England, Italy, Norway, Scotland, Sweden, United Kingdom
1.1.4 lain
belum menemukan
tanah penggembalaan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
Canada, USA
Bahamas, Canada, USA
1.2.2 Amerika Selatan
Argentina, Kolumbia
Brazil, Kolumbia, venezuela
1.3 deposito di oceania benua
1.3.1 Australia
Central Australia, Western Australia
New Zealand, Queensland, Western Australia