1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
Russia
India, Pakistan, Russia
1.1.2 Afrika
Angola, Botswana, Cameroon, Ethiopia, South Africa
Ethiopia, Kenya, Morocco, South Africa
1.1.3 Eropah
England, Hungary, Iceland, United Kingdom
Austria, France, Germany, Greece, Italy, Romania, Scotland, Spain, Switzerland
1.1.4 lain
antarctica, tanah penggembalaan
belum menemukan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
1.2.2 Amerika Selatan
Argentina, Kolumbia, Ekuador
Kolumbia, Ekuador, peru
1.3 deposito di oceania benua
1.3.1 Australia
New South Wales, New Zealand, Queensland, South Australia, Western Australia
New South Wales, Victoria, Western Australia