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