1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
China, India
Bangladesh, Bhutan, China, India, North Korea, Qatar, Russia, Saudi Arabia, South Korea, Thailand
1.1.2 Afrika
Angola, Egypt, Madagascar, Namibia, Nigeria
Cameroon, East Africa, Tanzania, Western Africa
1.1.3 Eropah
Germany, Iceland, Ireland, Italy, Spain, United Kingdom
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
Bolivia, Brazil, Kolumbia, Ekuador
1.3 deposito di oceania benua
1.3.1 Australia
Central Australia, Queensland, Western Australia
New South Wales, New Zealand, Queensland, Western Australia