1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
Russia, South Korea
China, India, Iran, Iraq, Oman, Russia, Saudi Arabia, Taiwan, Thailand, Vietnam
1.1.2 Afrika
Western Africa
Kenya, Morocco, South Africa, Tanzania
1.1.3 Eropah
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
belum menemukan
Bolivia, Brazil
1.3 deposito di oceania benua
1.3.1 Australia
Central Australia, Western Australia
New South Wales, Queensland, South Australia, Western Australia