1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam
China, Kazakhstan, South Korea, Thailand, Turkey, Vietnam
1.1.2 Afrika
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
Egypt, Ethiopia, Ghana, South Africa
1.1.3 Eropah
Bulgaria, England, Germany, Norway, Romania, 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
USA
Canada, Cuba, Jamaica, USA
1.2.2 Amerika Selatan
Brazil, Chili
Bolivia, Brazil, Kolumbia, Ekuador, Paraguai
1.3 deposito di oceania benua
1.3.1 Australia
New Zealand, Queensland, South Australia, Western Australia
New South Wales, New Zealand, Western Australia