1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
India, Russia
Afghanistan, Bangladesh, Bhutan, China, India, Japan, Kazakhstan, Malaysia, Pakistan, Russia, Thailand, Turkey, Vietnam
1.1.2 Afrika
South Africa
Egypt, Ethiopia, Morocco, Nigeria, South Africa
1.1.3 Eropah
Germany, Greece, Italy, Scotland, Turkey
Austria, England, France, Georgia, Germany, Italy, Liechtenstein, Monaco, Norway, Slovenia, Spain, Sweden, Switzerland
1.1.4 lain
tanah penggembalaan, mid-Atlantik ridge
belum menemukan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
Canada, USA
Canada, Costa Rica, Cuba, Mexico, Panama, USA
1.2.2 Amerika Selatan
Bolivia, Brazil, Kolumbia, venezuela
Brazil, Kolumbia, guyana
1.3 deposito di oceania benua
1.3.1 Australia
New Zealand, Queensland
New South Wales, New Zealand, Queensland