1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
Russia
India, Saudi Arabia, Singapore, South Korea
1.1.2 Afrika
Angola, Botswana, Cameroon, Ethiopia, South Africa
Ethiopia, Western Africa
1.1.3 Eropah
England, Hungary, Iceland, United Kingdom
England, Georgia, Switzerland, United Kingdom
1.1.4 lain
antarctica, tanah penggembalaan
belum menemukan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
Canada, Mexico, USA
Canada
1.2.2 Amerika Selatan
Argentina, Kolumbia, Ekuador
Kolumbia
1.3 deposito di oceania benua
1.3.1 Australia
New South Wales, New Zealand, Queensland, South Australia, Western Australia
Central Australia, New South Wales, New Zealand, Western Australia