1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
India, Kazakhstan, Kuwait, Russia, South Korea, Thailand, Turkey
China, India, Turkey
1.1.2 Afrika
Ethiopia, Morocco, South Africa
Not Yet Found
1.1.3 Eropah
France, Germany, Italy, Norway, Scotland
Belgium, France, Germany, Italy, Norway, Portugal, Spain, United Kingdom
1.1.4 lain
tanah penggembalaan
arktik
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
Brazil
1.3 deposito di oceania benua
1.3.1 Australia
Central Australia, New Zealand, Queensland
Not Yet Found