1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
China, India, Iran, Japan, Nepal, North Korea, Russia, Saudi Arabia, South Korea
India, Kazakhstan, Kuwait, Russia, South Korea, Thailand, Turkey
1.1.2 Afrika
South Africa
Ethiopia, Morocco, South Africa
1.1.3 Eropah
Austria, France, Greece, Ireland, Italy, Netherlands, Slovakia, Spain, Turkey, Ukraine
France, Germany, Italy, Norway, Scotland
1.1.4 lain
belum menemukan
tanah penggembalaan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
Canada
Canada, Costa Rica, Panama, USA
1.2.2 Amerika Selatan
Brazil
Argentina, Brazil, Kolumbia, Ekuador
1.3 deposito di oceania benua
1.3.1 Australia
New South Wales, Queensland, South Australia, Western Australia
Central Australia, New Zealand, Queensland