1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
Afghanistan, Indonesia, Japan, Russia
China, India, Indonesia, Russia, Singapore, South Korea
1.1.2 Afrika
Kenya
Cape Verde, Ethiopia, Ghana, South Africa, Western Africa
1.1.3 Eropah
Greece, Hungary, Iceland, Italy, Turkey
Albania, France, Germany, Great Britain, United Kingdom
1.1.4 lain
belum menemukan
belum menemukan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
Canada, Mexico, USA
Canada, USA
1.2.2 Amerika Selatan
Argentina, Chili, Ekuador, peru
Brazil, Kolumbia, Ekuador
1.3 deposito di oceania benua
1.3.1 Australia
New Zealand
New South Wales, South Australia, Western Australia