1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
Not Yet Found
Afghanistan, Bangladesh, Bhutan, China, India, Japan, Kazakhstan, Malaysia, Pakistan, Russia, Thailand, Turkey, Vietnam
1.1.2 Afrika
Uganda
Egypt, Ethiopia, Morocco, Nigeria, South Africa
1.1.3 Eropah
Germany, Hungary, Italy, Spain
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
USA
Canada, Costa Rica, Cuba, Mexico, Panama, USA
1.2.2 Amerika Selatan
Bolivia, Brazil
Brazil, Kolumbia, guyana
1.3 deposito di oceania benua
1.3.1 Australia
New South Wales, New Zealand, Queensland, South Australia, Western Australia
New South Wales, New Zealand, Queensland