1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
China, India, Indonesia, Saudi Arabia, South Korea
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam
1.1.2 Afrika
Eritrea, Ethiopia, Ghana, South Africa, Western Africa
Angola, Egypt, Ethiopia, Madagascar, Namibia, Nigeria, South Africa
1.1.3 Eropah
England, Finland, France, Germany, Great Britain, Greece, United Kingdom
Bulgaria, England, Germany, Norway, Romania, Switzerland
1.1.4 lain
belum menemukan
belum menemukan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
1.2.2 Amerika Selatan
belum menemukan
Argentina, Bolivia, Brazil, Chili, Kolumbia, Ekuador, peru
1.3 deposito di oceania benua
1.3.1 Australia
Central Australia, Western Australia
New South Wales, New Zealand, Queensland, South Australia, Western Australia