1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
Afghanistan, Indonesia, Japan, Russia
China, India
1.1.2 Afrika
1.1.3 Eropah
Greece, Hungary, Iceland, Italy, Turkey
Austria, Italy, Romania, Spain, Switzerland
1.1.4 lain
belum menemukan
belum menemukan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
Canada, Mexico, USA
Mexico, USA
1.2.2 Amerika Selatan
Argentina, Chili, Ekuador, peru
Brazil, Kolumbia
1.3 deposito di oceania benua
1.3.1 Australia
New Zealand
New South Wales, Queensland, Yorke Peninsula