1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
Russia, Turkey
Indonesia, Iran, Russia, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Turkmenistan, Vietnam
1.1.2 Afrika
Burundi, Djibouti, Eritrea, Ethiopia, Kenya, Madagascar, Rwanda, Somalia, South Africa, Sudan, Tanzania, Uganda
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
1.1.3 Eropah
Germany, Greece, Iceland, Norway, Poland
Andorra, Finland, France, Great Britain, Italy, Norway, Portugal, Spain, Sweden
1.1.4 lain
belum menemukan
tanah penggembalaan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
1.2.2 Amerika Selatan
Brazil
Brazil, Chili, Kolumbia, uruguay, venezuela
1.3 deposito di oceania benua
1.3.1 Australia
South Australia, Western Australia
New Zealand, Queensland, South Australia, Tasmania, Western Australia