1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
China, Kazakhstan, South Korea, Thailand, Turkey, Vietnam
India
1.1.2 Afrika
Egypt, Ethiopia, Ghana, South Africa
East Africa, Western Africa
1.1.3 Eropah
Finland, France, Germany, Great Britain, Hungary, Iceland, Ireland, Italy, Netherlands, Norway, Romania, Sweden, Switzerland
England, Romania, Scotland
1.1.4 lain
tanah penggembalaan
belum menemukan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
Canada, Cuba, Jamaica, USA
Canada, USA
1.2.2 Amerika Selatan
Bolivia, Brazil, Kolumbia, Ekuador, Paraguai
belum menemukan
1.3 deposito di oceania benua
1.3.1 Australia
New South Wales, New Zealand, Western Australia
Central Australia, Western Australia