1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam
Russia, Turkey
1.1.2 Afrika
Angola, Egypt, Ethiopia, Madagascar, Namibia, Nigeria, South Africa
Burundi, Djibouti, Eritrea, Ethiopia, Kenya, Madagascar, Rwanda, Somalia, South Africa, Sudan, Tanzania, Uganda
1.1.3 Eropah
Bulgaria, England, Germany, Norway, Romania, Switzerland
Germany, Greece, Iceland, Norway, Poland
1.1.4 lain
belum menemukan
belum menemukan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
1.2.2 Amerika Selatan
Argentina, Bolivia, Brazil, Chili, Kolumbia, Ekuador, peru
Brazil
1.3 deposito di oceania benua
1.3.1 Australia
New South Wales, New Zealand, Queensland, South Australia, Western Australia
South Australia, Western Australia