1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
Afghanistan, Indonesia, Japan, Russia
China, India, Kazakhstan, Mongolia, Russia, South Korea, Uzbekistan
1.1.2 Afrika
Ethiopia, Kenya, Tanzania
Namibia, Nigeria, South Africa
1.1.3 Eropah
Greece, Hungary, Iceland, Italy, Turkey
Austria, Denmark, Germany, Great Britain, Netherlands, Norway, Poland, Sweden, Switzerland, United Kingdom
1.1.4 lain
belum menemukan
tanah penggembalaan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
Bahamas, Barbados, Canada, Costa Rica, Cuba, Jamaica, Mexico, USA
Barbados, Canada, Mexico, Panama, USA
1.2.2 Amerika Selatan
Argentina, Chili, Ekuador, peru
Brazil
1.3 deposito di oceania benua
1.3.1 Australia
New Zealand, Western Australia
New South Wales, New Zealand