1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
1.1.2 Afrika
Egypt, Ethiopia, South Africa
Angola, Botswana, Cameroon, Ethiopia, South Africa
1.1.3 Eropah
France, Greece, Iceland
England, Hungary, Iceland, 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
belum menemukan
Argentina, Kolumbia, Ekuador
1.3 deposito di oceania benua
1.3.1 Australia
New Zealand
New South Wales, New Zealand, Queensland, South Australia, Western Australia