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