1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
China, India
China, Kazakhstan, South Korea, Thailand, Turkey, Vietnam
1.1.2 Afrika
Morocco, Namibia
Egypt, Ethiopia, Ghana, South Africa
1.1.3 Eropah
Austria, Italy, Romania, Spain, Switzerland
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
Mexico, USA
Canada, Cuba, Jamaica, USA
1.2.2 Amerika Selatan
Brazil, Kolumbia
Bolivia, Brazil, Kolumbia, Ekuador, Paraguai
1.3 deposito di oceania benua
1.3.1 Australia
New South Wales, Queensland, Yorke Peninsula
New South Wales, New Zealand, Western Australia