1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
Russia
1.1.2 Afrika
Angola, Botswana, Cameroon, Ethiopia, South Africa
1.1.3 Eropah
England, Hungary, Iceland, United Kingdom
1.1.4 lain
antarctica, tanah penggembalaan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
Canada, Mexico, USA
1.2.2 Amerika Selatan
Argentina, Kolumbia, Ekuador
1.3 deposito di oceania benua
1.3.1 Australia
New South Wales, New Zealand, Queensland, South Australia, Western Australia