1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
1.1.2 Afrika
1.1.3 Eropah
Germany, Hungary, Italy, Spain
Not Available
1.1.4 lain
tanah penggembalaan, mid-Atlantik ridge
antarctica
1.2 deposito di benua Barat
1.2.1 Amerika Utara
1.2.2 Amerika Selatan
Bolivia, Brazil
tidak tersedia
1.3 deposito di oceania benua
1.3.1 Australia
New South Wales, New Zealand, Queensland, South Australia, Western Australia
Not Available