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