1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam
India
1.1.2 Afrika
Angola, Egypt, Ethiopia, Madagascar, Namibia, Nigeria, South Africa
Not Available
1.1.3 Eropah
Bulgaria, England, Germany, Norway, Romania, Switzerland
Not Available
1.1.4 lain
belum menemukan
antarctica
1.2 deposito di benua Barat
1.2.1 Amerika Utara
1.2.2 Amerika Selatan
Argentina, Bolivia, Brazil, Chili, Kolumbia, Ekuador, peru
tidak tersedia
1.3 deposito di oceania benua
1.3.1 Australia
New South Wales, New Zealand, Queensland, South Australia, Western Australia
Not Available