1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
1.1.2 Afrika
Rwanda, Tanzania
Angola, Botswana, Cameroon, Ethiopia, South Africa
1.1.3 Eropah
Not Yet Found
England, Hungary, Iceland, United Kingdom
1.1.4 lain
pulau hawaii
antarctica, tanah penggembalaan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
Canada, USA
Canada, Mexico, USA
1.2.2 Amerika Selatan
Kolumbia
Argentina, Kolumbia, Ekuador
1.3 deposito di oceania benua
1.3.1 Australia
Not Yet Found
New South Wales, New Zealand, Queensland, South Australia, Western Australia