1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
China, Russia
China, India
1.1.2 Afrika
Not Yet Found
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
1.1.3 Eropah
Austria, Italy, Portugal, United Kingdom
Germany, Iceland, Ireland, Italy, Spain
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, Chili, Kolumbia, Ekuador, peru, venezuela
1.3 deposito di oceania benua
1.3.1 Australia
Not Yet Found
New Zealand, Queensland, Western Australia