1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
Japan, Turkey
China, India, Russia, Saudi Arabia, South Korea, Sri Lanka
1.1.2 Afrika
Egypt, Ethiopia, South Africa
South Africa, Western Africa
1.1.3 Eropah
France, Greece, Iceland
United Kingdom
1.1.4 lain
belum menemukan
belum menemukan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
1.2.2 Amerika Selatan
belum menemukan
Brazil, Kolumbia, Paraguai
1.3 deposito di oceania benua
1.3.1 Australia
New Zealand
Central Australia, Western Australia