1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
India
China, India, Kazakhstan, Mongolia, Russia, South Korea, Uzbekistan
1.1.2 Afrika
Not Available
Namibia, Nigeria, South Africa
1.1.3 Eropah
Not Available
Austria, Denmark, Germany, Great Britain, Netherlands, Norway, Poland, Sweden, Switzerland, United Kingdom
1.1.4 lain
antarctica
tanah penggembalaan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
USA
Barbados, Canada, Mexico, Panama, USA
1.2.2 Amerika Selatan
1.3 deposito di oceania benua
1.3.1 Australia
Not Available
New South Wales, New Zealand