1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
1.1.2 Afrika
Morocco, Namibia
Angola, Botswana, Cameroon, Ethiopia, South Africa
1.1.3 Eropah
Austria, Italy, Romania, Spain, Switzerland
England, Hungary, Iceland, United Kingdom
1.1.4 lain
belum menemukan
antarctica
1.2 deposito di benua Barat
1.2.1 Amerika Utara
1.2.2 Amerika Selatan
Brazil, Kolumbia
Argentina, Kolumbia, Ekuador
1.3 deposito di oceania benua
1.3.1 Australia
New South Wales, Queensland, Yorke Peninsula
New South Wales, New Zealand, South Australia, Western Australia