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