1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
India, Kazakhstan, Kuwait, Russia, South Korea, Thailand, Turkey
China, India, Indonesia, Russia, Singapore, South Korea
1.1.2 Afrika
Ethiopia, Morocco, South Africa
Cape Verde, Ethiopia, Ghana, South Africa, Western Africa
1.1.3 Eropah
France, Germany, Italy, Norway, Scotland
Albania, France, Germany, Great Britain, United Kingdom
1.1.4 lain
tanah penggembalaan
belum menemukan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
Canada, Costa Rica, Panama, USA
Canada, USA
1.2.2 Amerika Selatan
Argentina, Brazil, Kolumbia, Ekuador
Brazil, Kolumbia, Ekuador
1.3 deposito di oceania benua
1.3.1 Australia
Central Australia, New Zealand, Queensland
New South Wales, South Australia, Western Australia