1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam
China, India
1.1.2 Afrika
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
Angola, Egypt, Madagascar, Namibia, Nigeria
1.1.3 Eropah
Bulgaria, England, Germany, Norway, Romania, Switzerland
Germany, Iceland, Ireland, Italy, Spain, 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
Brazil, Chili
Argentina, Bolivia, Brazil, Kolumbia, Ekuador
1.3 deposito di oceania benua
1.3.1 Australia
New Zealand, Queensland, South Australia, Western Australia
Central Australia, Queensland, Western Australia