1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
China, India, Israel, Russia, South Korea, Thailand, Turkey
China, India, Turkey
1.1.2 Afrika
Ethiopia, Morocco, South Africa, Zimbabwe
Not Yet Found
1.1.3 Eropah
England, Italy, Norway, Scotland, Sweden, United Kingdom
Belgium, France, Germany, Italy, Norway, Portugal, Spain, United Kingdom
1.1.4 lain
tanah penggembalaan
arktik
1.2 deposito di benua Barat
1.2.1 Amerika Utara
1.2.2 Amerika Selatan
Brazil, Kolumbia, venezuela
Brazil
1.3 deposito di oceania benua
1.3.1 Australia
New Zealand, Queensland, Western Australia
Not Yet Found