1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
China, India, Indonesia, Saudi Arabia, South Korea
China, India, Israel, Russia, South Korea, Thailand, Turkey
1.1.2 Afrika
Eritrea, Ethiopia, Ghana, South Africa, Western Africa
Ethiopia, Morocco, South Africa, Zimbabwe
1.1.3 Eropah
England, Finland, France, Germany, Great Britain, Greece, 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
1.2.2 Amerika Selatan
belum menemukan
Brazil, Kolumbia, venezuela
1.3 deposito di oceania benua
1.3.1 Australia
Central Australia, Western Australia
New Zealand, Queensland, Western Australia