1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
China, India
China, India, Israel, Russia, South Korea, Thailand, Turkey
1.1.2 Afrika
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
Ethiopia, Morocco, South Africa, Zimbabwe
1.1.3 Eropah
Germany, Iceland, Ireland, Italy, Spain
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
Argentina, Bolivia, Chili, Kolumbia, Ekuador, peru, venezuela
Brazil, Kolumbia, venezuela
1.3 deposito di oceania benua
1.3.1 Australia
New Zealand, Queensland, Western Australia
New Zealand, Queensland, Western Australia