1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
China, India, Turkey
China, India, Kazakhstan, Mongolia, Russia, South Korea, Uzbekistan
1.1.2 Afrika
Not Yet Found
Namibia, Nigeria, South Africa
1.1.3 Eropah
Belgium, France, Germany, Italy, Norway, Portugal, Spain, United Kingdom
Austria, Denmark, Germany, Great Britain, Netherlands, Norway, Poland, Sweden, Switzerland, United Kingdom
1.1.4 lain
arktik
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 Yet Found
New South Wales, New Zealand