1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
China, India, Kazakhstan, Mongolia, Russia, Thailand, Uzbekistan
India
1.1.2 Afrika
Namibia, Nigeria, South Africa
South Africa, Tanzania
1.1.3 Eropah
Austria, Denmark, Germany, Great Britain, Netherlands, Norway, Poland, Sweden, Switzerland, United Kingdom
Germany, Greece, Italy, Scotland, Turkey
1.1.4 lain
tanah penggembalaan
antarctica, tanah penggembalaan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
1.2.2 Amerika Selatan
Brazil
Argentina, Brazil, Kolumbia, venezuela
1.3 deposito di oceania benua
1.3.1 Australia
New South Wales, New Zealand
Central Australia, New Zealand, Queensland, Western Australia