1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
1.1.2 Afrika
Namibia, Uganda
Angola, Botswana, Cameroon, Ethiopia, South Africa
1.1.3 Eropah
Germany, Hungary, Italy, Portugal, Spain
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, Western Australia
New South Wales, New Zealand, Queensland, South Australia, Western Australia