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