1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
China, India
Not Yet Found
1.1.2 Afrika
1.1.3 Eropah
Austria, Italy, Romania, Spain, Switzerland
Germany, Hungary, Italy, Spain
1.1.4 lain
belum menemukan
tanah penggembalaan, mid-Atlantik ridge
1.2 deposito di benua Barat
1.2.1 Amerika Utara
1.2.2 Amerika Selatan
Brazil, Kolumbia
Bolivia, Brazil
1.3 deposito di oceania benua
1.3.1 Australia
New South Wales, Queensland, Yorke Peninsula
New South Wales, New Zealand, Queensland, South Australia, Western Australia