1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
China, India, Israel, Russia, South Korea, Thailand, Turkey
India
1.1.2 Afrika
Ethiopia, Morocco, South Africa, Zimbabwe
East Africa, Ethiopia, Madagascar, Morocco, Mozambique
1.1.3 Eropah
England, Italy, Norway, Scotland, Sweden, United Kingdom
Albania, Romania, Scotland, United Kingdom
1.1.4 lain
tanah penggembalaan
belum menemukan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
1.2.2 Amerika Selatan
Brazil, Kolumbia, venezuela
Brazil, Kolumbia, venezuela
1.3 deposito di oceania benua
1.3.1 Australia
New Zealand, Queensland, Western Australia
Central Australia, Western Australia