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