1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
China, India, Indonesia, Japan, North Korea, Russia, Saudi Arabia, Singapore, South Korea, Sri Lanka, Tajikistan, Thailand
India, Russia
1.1.2 Afrika
Egypt, Ethiopia, Ghana, South Africa, Western Africa
South Africa
1.1.3 Eropah
Austria, England, Finland, France, Germany, Greece, Spain, Sweden, Switzerland, United Kingdom
Germany, Greece, Italy, Scotland, Turkey
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
Kolumbia
Bolivia, Brazil, Kolumbia, venezuela
1.3 deposito di oceania benua
1.3.1 Australia
Central Australia, New Zealand, Queensland
New Zealand, Queensland