1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
India, Indonesia, Japan, Nepal, South Korea
Not Yet Found
1.1.2 Afrika
Egypt, Ethiopia, Morocco, Namibia, South Africa, Tanzania
Uganda
1.1.3 Eropah
Austria, Finland, Germany, Italy, Romania, Turkey, United Kingdom
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
Argentina, Bolivia, Chili, Kolumbia, Ekuador, peru, venezuela
Bolivia, Brazil
1.3 deposito di oceania benua
1.3.1 Australia
New South Wales, New Zealand, Western Australia
New South Wales, New Zealand, Queensland, South Australia, Western Australia