1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
China, India, Kazakhstan, Mongolia, Russia, South Korea, Uzbekistan
China, India, Indonesia, Kazakhstan, Russia, South Korea, Thailand, Turkey
1.1.2 Afrika
Namibia, Nigeria, South Africa
Morocco, South Africa
1.1.3 Eropah
Austria, Denmark, Germany, Great Britain, Netherlands, Norway, Poland, Sweden, Switzerland, United Kingdom
Finland, France, Georgia, Germany, Great Britain, Italy, Kazakhstan, Netherlands, Norway, Spain, Switzerland, Venezuela
1.1.4 lain
tanah penggembalaan
belum menemukan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
Barbados, Canada, Mexico, Panama, USA
Canada, USA
1.2.2 Amerika Selatan
Brazil
Argentina, Brazil, Kolumbia, Ekuador, venezuela
1.3 deposito di oceania benua
1.3.1 Australia
New South Wales, New Zealand
New Zealand, Western Australia