1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
1.1.2 Afrika
South Africa
East Africa, Ethiopia, Madagascar, Morocco, Mozambique
1.1.3 Eropah
Germany, Greece, Italy, Scotland, Turkey
Albania, Romania, Scotland, United Kingdom
1.1.4 lain
tanah penggembalaan
belum menemukan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
1.2.2 Amerika Selatan
Brazil, Kolumbia, venezuela
Brazil, Kolumbia, venezuela
1.3 deposito di oceania benua
1.3.1 Australia
New Zealand, Queensland
Central Australia, Western Australia