1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
China, Kazakhstan, South Korea, Thailand, Turkey, Vietnam
China, India, Indonesia, Russia, Singapore, South Korea
1.1.2 Afrika
Egypt, Ethiopia, Ghana, South Africa
Cape Verde, Ethiopia, Ghana, South Africa, Western Africa
1.1.3 Eropah
Finland, France, Germany, Great Britain, Hungary, Iceland, Ireland, Italy, Netherlands, Norway, Romania, Sweden, Switzerland
Albania, France, Germany, Great Britain, 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
Canada, USA
1.2.2 Amerika Selatan
Bolivia, Brazil, Kolumbia, Ekuador, Paraguai
Brazil, Kolumbia, Ekuador
1.3 deposito di oceania benua
1.3.1 Australia
New South Wales, New Zealand, Western Australia
New South Wales, South Australia, Western Australia