1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
Russia
China, India, Indonesia, Kazakhstan, Russia, South Korea, Thailand, Turkey
1.1.2 Afrika
Angola, Botswana, Cameroon, Ethiopia, South Africa
Morocco, South Africa
1.1.3 Eropah
England, Hungary, Iceland, United Kingdom
Finland, France, Georgia, Germany, Great Britain, Italy, Kazakhstan, Netherlands, Norway, Spain, Switzerland, Venezuela
1.1.4 lain
antarctica, tanah penggembalaan
belum menemukan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
Canada, Mexico, USA
Canada, USA
1.2.2 Amerika Selatan
Argentina, Kolumbia, Ekuador
Argentina, Brazil, Kolumbia, Ekuador, venezuela
1.3 deposito di oceania benua
1.3.1 Australia
New South Wales, New Zealand, Queensland, South Australia, Western Australia
New Zealand, Western Australia