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