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