1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
China, India, Kazakhstan, Mongolia, Russia, South Korea, Uzbekistan
Not Yet Found
1.1.2 Afrika
Namibia, Nigeria, South Africa
Egypt
1.1.3 Eropah
Austria, Denmark, Germany, Great Britain, Netherlands, Norway, Poland, Sweden, Switzerland, United Kingdom
Finland, Germany, Italy, Romania, Sweden, Turkey, United Kingdom
1.1.4 lain
tanah penggembalaan
belum menemukan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
Barbados, Canada, Mexico, Panama, USA
USA
1.2.2 Amerika Selatan
Brazil
Argentina, Bolivia, Chili, Kolumbia, Ekuador, peru
1.3 deposito di oceania benua
1.3.1 Australia
New South Wales, New Zealand
New Zealand, Western Australia