1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
China, Kazakhstan, South Korea, Thailand, Turkey, Vietnam
China, India, Iran, Iraq, Oman, Russia, Saudi Arabia, Taiwan, Thailand, Vietnam
1.1.2 Afrika
Egypt, Ethiopia, Ghana, South Africa
Kenya, Morocco, South Africa, Tanzania
1.1.3 Eropah
Finland, France, Germany, Great Britain, Hungary, Iceland, Ireland, Italy, Netherlands, Norway, Romania, Sweden, Switzerland
Austria, France, Greece, Italy, Malta, Poland, Portugal, Serbia, Spain, Sweden, United Kingdom
1.1.4 lain
tanah penggembalaan
tanah penggembalaan, mid-Atlantik ridge
1.2 deposito di benua Barat
1.2.1 Amerika Utara
Canada, Cuba, Jamaica, USA
Canada, Mexico, USA
1.2.2 Amerika Selatan
Bolivia, Brazil, Kolumbia, Ekuador, Paraguai
Bolivia, Brazil
1.3 deposito di oceania benua
1.3.1 Australia
New South Wales, New Zealand, Western Australia
New South Wales, Queensland, South Australia, Western Australia