1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
China, India
India, Pakistan, Russia
1.1.2 Afrika
Angola, Egypt, Madagascar, Namibia, Nigeria
Ethiopia, Kenya, Morocco, South Africa
1.1.3 Eropah
Germany, Iceland, Ireland, Italy, Spain, United Kingdom
Austria, France, Germany, Greece, Italy, Romania, Scotland, Spain, Switzerland
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, Brazil, Kolumbia, Ekuador
Kolumbia, Ekuador, peru
1.3 deposito di oceania benua
1.3.1 Australia
Central Australia, Queensland, Western Australia
New South Wales, Victoria, Western Australia