1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
China, India, Indonesia, Russia, Singapore, South Korea
India
1.1.2 Afrika
Cape Verde, Ethiopia, Ghana, South Africa, Western Africa
Not Available
1.1.3 Eropah
Albania, France, Germany, Great Britain, United Kingdom
Not Available
1.1.4 lain
belum menemukan
antarctica
1.2 deposito di benua Barat
1.2.1 Amerika Utara
1.2.2 Amerika Selatan
Brazil, Kolumbia, Ekuador
tidak tersedia
1.3 deposito di oceania benua
1.3.1 Australia
New South Wales, South Australia, Western Australia
Not Available