1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
Indonesia, Iran, Russia, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam
India
1.1.2 Afrika
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
Not Available
1.1.3 Eropah
England, Finland, Germany, Great Britain, Greece, United Kingdom
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
1.3 deposito di oceania benua
1.3.1 Australia
New Zealand, Queensland, Western Australia
Not Available