1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
India
China, India, Iran, Iraq, Oman, Russia, Saudi Arabia, Taiwan, Thailand, Vietnam
1.1.2 Afrika
East Africa, Ethiopia, Madagascar, Morocco, Mozambique
Kenya, Morocco, South Africa, Tanzania
1.1.3 Eropah
Albania, Romania, Scotland, United Kingdom
Austria, France, Greece, Italy, Malta, Poland, Portugal, Serbia, Spain, Sweden, United Kingdom
1.1.4 lain
belum menemukan
tanah penggembalaan, mid-Atlantik ridge
1.2 deposito di benua Barat
1.2.1 Amerika Utara
1.2.2 Amerika Selatan
Brazil, Kolumbia, venezuela
Bolivia, Brazil
1.3 deposito di oceania benua
1.3.1 Australia
Central Australia, Western Australia
New South Wales, Queensland, South Australia, Western Australia