1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
China, India
Bangladesh, China, India, Israel, Jordan, Russia, Syria, Thailand, Turkey
1.1.2 Afrika
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
Ethiopia, Kenya, Morocco, South Africa, Tanzania
1.1.3 Eropah
Germany, Iceland, Ireland, Italy, Spain
Austria, France, Germany, Greece, Italy, Romania, Scotland, Spain, Sweden, Switzerland
1.1.4 lain
belum menemukan
tanah penggembalaan, belum menemukan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
1.2.2 Amerika Selatan
Argentina, Bolivia, Chili, Kolumbia, Ekuador, peru, venezuela
Bolivia, Brazil, Chili, Kolumbia, Ekuador, peru, venezuela
1.3 deposito di oceania benua
1.3.1 Australia
New Zealand, Queensland, Western Australia
New South Wales, New Zealand, Queensland, Victoria, Western Australia