1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
China, India, Kazakhstan, Mongolia, Russia, Uzbekistan
China, India
1.1.2 Afrika
Namibia, Nigeria, South Africa
Angola, Egypt, Madagascar, Namibia, Nigeria
1.1.3 Eropah
Austria, Denmark, Germany, Great Britain, Netherlands, Norway, Poland, Sweden, Switzerland, 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
1.2.2 Amerika Selatan
Brazil
Argentina, Bolivia, Brazil, Kolumbia, Ekuador
1.3 deposito di oceania benua
1.3.1 Australia
New South Wales, New Zealand
Central Australia, Queensland, Western Australia