1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
Russia, South Korea
China, India, Kazakhstan, Mongolia, Russia, Uzbekistan
1.1.2 Afrika
Western Africa
Namibia, Nigeria, South Africa
1.1.3 Eropah
United Kingdom
Austria, Denmark, Germany, Great Britain, Netherlands, Norway, Poland, Sweden, Switzerland, United Kingdom
1.1.4 lain
belum menemukan
tanah penggembalaan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
1.2.2 Amerika Selatan
1.3 deposito di oceania benua
1.3.1 Australia
Central Australia, Western Australia
New South Wales, New Zealand