1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
Afghanistan, Indonesia, Japan, Russia
Not Yet Found
1.1.2 Afrika
Kenya
Ethiopia, Ghana, Western Africa
1.1.3 Eropah
Greece, Hungary, Iceland, Italy, Turkey
England
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, uruguay
1.3 deposito di oceania benua
1.3.1 Australia
New Zealand
Central Australia, South Australia, Western Australia