1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
1.1.2 Afrika
1.1.3 Eropah
Not Yet Found
Germany, Hungary, Italy, Spain
1.1.4 lain
pulau hawaii
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
Not Yet Found
New South Wales, New Zealand, Queensland, South Australia, Western Australia