1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
Russia, Turkey
Not Yet Found
1.1.2 Afrika
Burundi, Djibouti, Eritrea, Ethiopia, Kenya, Madagascar, Rwanda, Somalia, South Africa, Sudan, Tanzania, Uganda
Ethiopia, Ghana, Western Africa
1.1.3 Eropah
Germany, Greece, Iceland, Norway, Poland
England
1.1.4 lain
belum menemukan
belum menemukan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
1.2.2 Amerika Selatan
Brazil
Argentina, Bolivia, uruguay
1.3 deposito di oceania benua
1.3.1 Australia
South Australia, Western Australia
Central Australia, South Australia, Western Australia