1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
China, India, Kazakhstan, Mongolia, Russia, Uzbekistan
Japan, Turkey
1.1.2 Afrika
Namibia, Nigeria, South Africa
Egypt, Ethiopia, South Africa
1.1.3 Eropah
Austria, Denmark, Germany, Great Britain, Netherlands, Norway, Poland, Sweden, Switzerland, United Kingdom
France, Greece, Iceland
1.1.4 lain
tanah penggembalaan
belum menemukan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
1.2.2 Amerika Selatan
1.3 deposito di oceania benua
1.3.1 Australia
New South Wales, New Zealand
New Zealand