1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
Russia, Turkey
China, India, Israel, Russia, South Korea, Thailand, Turkey
1.1.2 Afrika
Burundi, Djibouti, Eritrea, Ethiopia, Kenya, Madagascar, Rwanda, Somalia, South Africa, Sudan, Tanzania, Uganda
Ethiopia, Morocco, South Africa, Zimbabwe
1.1.3 Eropah
Germany, Greece, Iceland, Norway, Poland
England, Italy, Norway, Scotland, Sweden, United Kingdom
1.1.4 lain
belum menemukan
tanah penggembalaan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
Canada, USA
Bahamas, Canada, USA
1.2.2 Amerika Selatan
Brazil
Brazil, Kolumbia, venezuela
1.3 deposito di oceania benua
1.3.1 Australia
South Australia, Western Australia
New Zealand, Queensland, Western Australia