1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
China, India
China, India, Indonesia, Russia, Singapore, South Korea
1.1.2 Afrika
Angola, Egypt, Madagascar, Namibia, Nigeria
Cape Verde, Ethiopia, Ghana, South Africa, Western Africa
1.1.3 Eropah
Germany, Iceland, Ireland, Italy, Spain, United Kingdom
Albania, France, Germany, Great Britain, United Kingdom
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
Brazil, Kolumbia, Ekuador
1.3 deposito di oceania benua
1.3.1 Australia
Central Australia, Queensland, Western Australia
New South Wales, South Australia, Western Australia