1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
Japan, Turkey
China, India, Iran, Iraq, Oman, Russia, Saudi Arabia, Taiwan, Thailand, Vietnam
1.1.2 Afrika
Egypt, Ethiopia, South Africa
Kenya, Morocco, South Africa, Tanzania
1.1.3 Eropah
France, Greece, Iceland
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
New Zealand
New South Wales, Queensland, South Australia, Western Australia