1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
1.1.2 Afrika
1.1.3 Eropah
Italy
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
belum menemukan
Bolivia, Brazil
1.3 deposito di oceania benua
1.3.1 Australia
Queensland
New South Wales, New Zealand, Queensland, South Australia, Western Australia