1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
1.1.2 Afrika
Uganda
East Africa, Ethiopia, Madagascar, Morocco, Mozambique
1.1.3 Eropah
Germany, Hungary, Italy, Spain
Albania, Romania, Scotland, United Kingdom
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
Brazil, Kolumbia, venezuela
1.3 deposito di oceania benua
1.3.1 Australia
New South Wales, New Zealand, Queensland, South Australia, Western Australia
Central Australia, Western Australia