1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
China, India, Turkey
Not Yet Found
1.1.2 Afrika
1.1.3 Eropah
Belgium, France, Germany, Italy, Norway, Portugal, Spain, United Kingdom
Germany, Hungary, Italy, Spain
1.1.4 lain
arktik
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