1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
China, India, Israel, Russia, South Korea, Thailand, Turkey
Japan, Turkey
1.1.2 Afrika
Ethiopia, Morocco, South Africa, Zimbabwe
Egypt, Ethiopia, South Africa
1.1.3 Eropah
England, Italy, Norway, Scotland, Sweden, United Kingdom
France, Greece, Iceland
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
belum menemukan
1.3 deposito di oceania benua
1.3.1 Australia
New Zealand, Queensland, Western Australia
New Zealand