1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
India, Pakistan, Russia
China, India, Kazakhstan, Mongolia, Russia, Uzbekistan
1.1.2 Afrika
Ethiopia, Kenya, Morocco, South Africa
Namibia, Nigeria, South Africa
1.1.3 Eropah
Austria, France, Germany, Greece, Italy, Romania, Scotland, Spain, Switzerland
Austria, Denmark, Germany, Great Britain, Netherlands, Norway, Poland, Sweden, Switzerland, United Kingdom
1.1.4 lain
belum menemukan
tanah penggembalaan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
1.2.2 Amerika Selatan
Kolumbia, Ekuador, peru
Brazil
1.3 deposito di oceania benua
1.3.1 Australia
New South Wales, Victoria, Western Australia
New South Wales, New Zealand