1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
Russia, Turkey
China, India
1.1.2 Afrika
Burundi, Djibouti, Eritrea, Ethiopia, Kenya, Madagascar, Rwanda, Somalia, South Africa, Sudan, Tanzania, Uganda
Morocco, Namibia
1.1.3 Eropah
Germany, Greece, Iceland, Norway, Poland
Austria, Italy, Romania, Spain, Switzerland
1.1.4 lain
belum menemukan
belum menemukan
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
South Australia, Western Australia
New South Wales, Queensland, Yorke Peninsula