1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
Not Yet Found
China, India
1.1.2 Afrika
South Africa
Morocco, Namibia
1.1.3 Eropah
Finland, Norway, Portugal
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
1.3 deposito di oceania benua
1.3.1 Australia
Not Yet Found
New South Wales, Queensland, Yorke Peninsula