1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
China, Kazakhstan, South Korea, Thailand, Turkey, Vietnam
Not Available
1.1.2 Afrika
Egypt, Ethiopia, Ghana, South Africa
Not Available
1.1.3 Eropah
Finland, France, Germany, Great Britain, Hungary, Iceland, Ireland, Italy, Netherlands, Norway, Romania, Sweden, Switzerland
United Kingdom
1.1.4 lain
tanah penggembalaan
belum menemukan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
Canada, Cuba, Jamaica, USA
USA
1.2.2 Amerika Selatan
Bolivia, Brazil, Kolumbia, Ekuador, Paraguai
Kolumbia, Paraguai
1.3 deposito di oceania benua
1.3.1 Australia
New South Wales, New Zealand, Western Australia
Central Australia, Western Australia