1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam
India, Kazakhstan, Kuwait, Russia, South Korea, Thailand, Turkey
1.1.2 Afrika
Angola, Egypt, Ethiopia, Madagascar, Namibia, Nigeria, South Africa
Ethiopia, Morocco, South Africa
1.1.3 Eropah
Bulgaria, England, Germany, Norway, Romania, Switzerland
France, Germany, Italy, Norway, Scotland
1.1.4 lain
belum menemukan
tanah penggembalaan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
USA
Canada, Costa Rica, Panama, USA
1.2.2 Amerika Selatan
Argentina, Bolivia, Brazil, Chili, Kolumbia, Ekuador, peru
Argentina, Brazil, Kolumbia, Ekuador
1.3 deposito di oceania benua
1.3.1 Australia
New South Wales, New Zealand, Queensland, South Australia, Western Australia
Central Australia, New Zealand, Queensland