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