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