1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
China, India
China, India, Iran, Japan, Nepal, North Korea, Russia, Saudi Arabia, South Korea
1.1.2 Afrika
Angola, Egypt, Madagascar, Namibia, Nigeria
South Africa
1.1.3 Eropah
Germany, Iceland, Ireland, Italy, Spain, United Kingdom
Austria, France, Greece, Ireland, Italy, Netherlands, Slovakia, Spain, Turkey, Ukraine
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
1.3 deposito di oceania benua
1.3.1 Australia
Central Australia, Queensland, Western Australia
New South Wales, Queensland, South Australia, Western Australia