1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
India
China, India, Russia, Saudi Arabia, South Korea, Sri Lanka
1.1.2 Afrika
East Africa, Ethiopia, Madagascar, Morocco, Mozambique
South Africa, Western Africa
1.1.3 Eropah
Albania, Romania, Scotland, United Kingdom
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
Brazil, Kolumbia, venezuela
Brazil, Kolumbia, Paraguai
1.3 deposito di oceania benua
1.3.1 Australia
Central Australia, Western Australia
Central Australia, Western Australia