1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
Not Yet Found
China, India, Kazakhstan, Mongolia, Russia, South Korea, Uzbekistan
1.1.2 Afrika
South Africa
Namibia, Nigeria, South Africa
1.1.3 Eropah
Finland, Norway, Portugal
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
Canada
Barbados, Canada, Mexico, Panama, USA
1.2.2 Amerika Selatan
1.3 deposito di oceania benua
1.3.1 Australia
Not Yet Found
New South Wales, New Zealand