1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
Russia
China, India, Indonesia, Saudi Arabia, South Korea
1.1.2 Afrika
Angola, Botswana, Cameroon, Ethiopia, South Africa
Eritrea, Ethiopia, Ghana, South Africa, Western Africa
1.1.3 Eropah
England, Hungary, Iceland, United Kingdom
England, Finland, France, Germany, Great Britain, Greece, United Kingdom
1.1.4 lain
antarctica, tanah penggembalaan
belum menemukan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
1.2.2 Amerika Selatan
Argentina, Kolumbia, Ekuador
belum menemukan
1.3 deposito di oceania benua
1.3.1 Australia
New South Wales, New Zealand, Queensland, South Australia, Western Australia
Central Australia, Western Australia