1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
India, Kazakhstan, Kuwait, Russia, South Korea, Thailand, Turkey
Not Yet Found
1.1.2 Afrika
Ethiopia, Morocco, South Africa
Egypt
1.1.3 Eropah
France, Germany, Italy, Norway, Scotland
Finland, Germany, Italy, Romania, Sweden, 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
USA
1.2.2 Amerika Selatan
Argentina, Brazil, Kolumbia, Ekuador
Argentina, Bolivia, Chili, Kolumbia, Ekuador, peru
1.3 deposito di oceania benua
1.3.1 Australia
Central Australia, New Zealand, Queensland
New Zealand, South Australia, Western Australia