1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
Not Yet Found
Indonesia, Iran, Russia, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Turkmenistan, Vietnam
1.1.2 Afrika
Not Yet Found
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
1.1.3 Eropah
Bulgaria
Andorra, Finland, France, Great Britain, Italy, Norway, Portugal, Spain, Sweden
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, Chili, Kolumbia, uruguay, venezuela
1.3 deposito di oceania benua
1.3.1 Australia
Not Yet Found
New Zealand, Queensland, South Australia, Tasmania, Western Australia