1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
China, India
Not Available
1.1.2 Afrika
Morocco, Namibia
South Africa
1.1.3 Eropah
Austria, Italy, Romania, Spain, Switzerland
England, Finland, United Kingdom
1.1.4 lain
belum menemukan
antarctica, tanah penggembalaan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
1.2.2 Amerika Selatan
Brazil, Kolumbia
Kolumbia, uruguay
1.3 deposito di oceania benua
1.3.1 Australia
New South Wales, Queensland, Yorke Peninsula
New Zealand, Western Australia