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