1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
India, Kazakhstan, Kuwait, Russia, South Korea, Thailand, Turkey
Afghanistan, Indonesia, Japan, Russia
1.1.2 Afrika
Ethiopia, Morocco, South Africa
Kenya
1.1.3 Eropah
France, Germany, Italy, Norway, Scotland
Greece, Hungary, Iceland, Italy, Turkey
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, Mexico, USA
1.2.2 Amerika Selatan
Argentina, Brazil, Kolumbia, Ekuador
Argentina, Chili, Ekuador, peru
1.3 deposito di oceania benua
1.3.1 Australia
Central Australia, New Zealand, Queensland
New Zealand