1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
China, India
China, India, Indonesia, Saudi Arabia, South Korea
1.1.2 Afrika
Morocco, Namibia
Eritrea, Ethiopia, Ghana, South Africa, Western Africa
1.1.3 Eropah
Austria, Italy, Romania, Spain, Switzerland
England, Finland, France, Germany, Great Britain, Greece, 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, Kolumbia
belum menemukan
1.3 deposito di oceania benua
1.3.1 Australia
New South Wales, Queensland, Yorke Peninsula
Central Australia, Western Australia