1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
Russia, Turkey
China, India, Indonesia, Russia, Singapore, South Korea
1.1.2 Afrika
Burundi, Djibouti, Eritrea, Ethiopia, Kenya, Madagascar, Rwanda, Somalia, South Africa, Sudan, Tanzania, Uganda
Cape Verde, Ethiopia, Ghana, South Africa, Western Africa
1.1.3 Eropah
Germany, Greece, Iceland, Norway, Poland
Albania, France, Germany, Great Britain, United Kingdom
1.1.4 lain
belum menemukan
belum menemukan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
1.2.2 Amerika Selatan
Brazil
Brazil, Kolumbia, Ekuador
1.3 deposito di oceania benua
1.3.1 Australia
South Australia, Western Australia
New South Wales, South Australia, Western Australia