1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
India, Saudi Arabia, Singapore, South Korea
China, India, Iran, Japan, Oman, Russia, Saudi Arabia, Taiwan, Thailand, Vietnam
1.1.2 Afrika
Ethiopia, Western Africa
Kenya, Morocco, South Africa, Tanzania
1.1.3 Eropah
England, Georgia, Switzerland, 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
Canada
Canada, Mexico, USA
1.2.2 Amerika Selatan
1.3 deposito di oceania benua
1.3.1 Australia
Central Australia, New South Wales, New Zealand, Western Australia
New South Wales, Queensland, South Australia, Western Australia