1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
China, India
Japan, Turkey
1.1.2 Afrika
Morocco, Namibia
Egypt, Ethiopia, South Africa
1.1.3 Eropah
Austria, Italy, Romania, Spain, Switzerland
France, Greece, Iceland
1.1.4 lain
belum menemukan
belum menemukan
1.2 deposito di benua Barat
1.0.1 Amerika Utara
1.1.2 Amerika Selatan
Brazil, Kolumbia
belum menemukan
1.2 deposito di oceania benua
1.2.1 Australia
New South Wales, Queensland, Yorke Peninsula
New Zealand