1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
China, India, Israel, Russia, South Korea, Thailand, Turkey
China, India
1.1.2 Afrika
Ethiopia, Morocco, South Africa, Zimbabwe
Angola, Egypt, Madagascar, Namibia, Nigeria
1.1.3 Eropah
England, Italy, Norway, Scotland, Sweden, United Kingdom
Germany, Iceland, Ireland, Italy, Spain, United Kingdom
1.1.4 lain
tanah penggembalaan
belum menemukan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
Bahamas, Canada, USA
Canada, USA
1.2.2 Amerika Selatan
Brazil, Kolumbia, venezuela
Argentina, Bolivia, Brazil, Kolumbia, Ekuador
1.3 deposito di oceania benua
1.3.1 Australia
New Zealand, Queensland, Western Australia
Central Australia, Queensland, Western Australia