1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
India, Russia
Not Yet Found
1.1.2 Afrika
1.1.3 Eropah
Germany, Greece, Italy, Scotland, Turkey
Germany, Hungary, Italy, Spain
1.1.4 lain
tanah penggembalaan
tanah penggembalaan, mid-Atlantik ridge
1.2 deposito di benua Barat
1.2.1 Amerika Utara
1.2.2 Amerika Selatan
Brazil, Kolumbia, venezuela
Bolivia, Brazil
1.3 deposito di oceania benua
1.3.1 Australia
New Zealand, Queensland
New South Wales, New Zealand, Queensland, South Australia, Western Australia