1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
China, India
Afghanistan, Indonesia, Japan, Russia
1.1.2 Afrika
Angola, Egypt, Madagascar, Namibia, Nigeria
Ethiopia, Kenya, Tanzania
1.1.3 Eropah
Germany, Iceland, Ireland, Italy, Spain, United Kingdom
Greece, Hungary, Iceland, Italy, Turkey
1.1.4 lain
belum menemukan
belum menemukan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
Canada, USA
Bahamas, Barbados, Canada, Costa Rica, Cuba, Jamaica, Mexico, USA
1.2.2 Amerika Selatan
Argentina, Bolivia, Brazil, Kolumbia, Ekuador
Argentina, Chili, Ekuador, peru
1.3 deposito di oceania benua
1.3.1 Australia
Central Australia, Queensland, Western Australia
New Zealand, Western Australia