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