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