1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
Afghanistan, Bangladesh, Bhutan, China, India, Japan, Kazakhstan, Malaysia, Pakistan, Russia, Thailand, Turkey, Vietnam
China, India, Iran, Japan, Oman, Russia, Saudi Arabia, Taiwan, Thailand, Vietnam
1.1.2 Afrika
Egypt, Ethiopia, Morocco, Nigeria, South Africa
Kenya, Morocco, South Africa, Tanzania
1.1.3 Eropah
Austria, England, France, Georgia, Germany, Italy, Liechtenstein, Monaco, Norway, Slovenia, Spain, Sweden, Switzerland
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, Costa Rica, Cuba, Mexico, Panama, USA
Canada, Mexico, USA
1.2.2 Amerika Selatan
Brazil, Kolumbia, guyana
Bolivia, Brazil
1.3 deposito di oceania benua
1.3.1 Australia
New South Wales, New Zealand, Queensland
New South Wales, Queensland, South Australia, Western Australia