1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
China, Russia
Not Yet Found
1.1.2 Afrika
Not Yet Found
Ethiopia, Ghana, Western Africa
1.1.3 Eropah
Austria, Italy, Portugal, United Kingdom
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
Argentina, Bolivia, Ekuador
Argentina, Bolivia, uruguay
1.3 deposito di oceania benua
1.3.1 Australia
Not Yet Found
Central Australia, South Australia, Western Australia