1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
Not Yet Found
Not Yet Found
1.1.2 Afrika
Uganda
Ethiopia, Ghana, Western Africa
1.1.3 Eropah
Germany, Hungary, Italy, Spain
England
1.1.4 lain
tanah penggembalaan, mid-Atlantik ridge
belum menemukan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
1.2.2 Amerika Selatan
Bolivia, Brazil
Argentina, Bolivia, uruguay
1.3 deposito di oceania benua
1.3.1 Australia
New South Wales, New Zealand, Queensland, South Australia, Western Australia
Central Australia, South Australia, Western Australia