1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
1.1.2 Afrika
Angola, Botswana, Cameroon, Ethiopia, South Africa
Uganda
1.1.3 Eropah
England, Hungary, Iceland, United Kingdom
Germany, Hungary, Italy, Spain
1.1.4 lain
antarctica
tanah penggembalaan, mid-Atlantik ridge
1.2 deposito di benua Barat
1.2.1 Amerika Utara
1.2.2 Amerika Selatan
Argentina, Kolumbia, Ekuador
Bolivia, Brazil
1.3 deposito di oceania benua
1.3.1 Australia
New South Wales, New Zealand, South Australia, Western Australia
New South Wales, New Zealand, Queensland, South Australia, Western Australia