1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
China, India
Indonesia, Iran, Russia, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Turkmenistan, Vietnam
1.1.2 Afrika
Morocco, Namibia
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
1.1.3 Eropah
Austria, Italy, Romania, Spain, Switzerland
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
Brazil, Kolumbia
Brazil, Chili, Kolumbia, uruguay, venezuela
1.3 deposito di oceania benua
1.3.1 Australia
New South Wales, Queensland, Yorke Peninsula
New Zealand, Queensland, South Australia, Tasmania, Western Australia