1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
Afghanistan, Indonesia, Japan, Russia
Not Yet Found
1.1.2 Afrika
Ethiopia, Kenya, Tanzania
Not Yet Found
1.1.3 Eropah
Greece, Hungary, Iceland, Italy, Turkey
Bulgaria
1.1.4 lain
belum menemukan
belum menemukan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
Bahamas, Barbados, Canada, Costa Rica, Cuba, Jamaica, Mexico, USA
USA
1.2.2 Amerika Selatan
Argentina, Chili, Ekuador, peru
belum menemukan
1.3 deposito di oceania benua
1.3.1 Australia
New Zealand, Western Australia
Not Yet Found