1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
China, India, Indonesia, Russia, Singapore, South Korea
China, India
1.1.2 Afrika
Cape Verde, Ethiopia, Ghana, South Africa, Western Africa
Morocco, Namibia
1.1.3 Eropah
Albania, France, Germany, Great Britain, United Kingdom
Austria, Italy, Romania, Spain, Switzerland
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
Brazil, Kolumbia
1.3 deposito di oceania benua
1.3.1 Australia
New South Wales, South Australia, Western Australia
New South Wales, Queensland, Yorke Peninsula